GW Instek GDM-906 Series User Manual
  1. Manuals
  2. Brands
  3. GW Instek Manuals
  4. Measuring Instruments
  5. GDM-906 Series
  6. User manual

GW Instek GDM-906 Series User Manual

Dual measurement multimeter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Dual Measurement Multimeter
GDM-9060/9061
USER MANUAL
GW INSTEK PART NO. 82DM-90610E01
ISO-9001 CERTIFIED MANUFACTURER

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GDM-906 Series and is the answer not in the manual?

Questions and answers

Related Manuals for GW Instek GDM-906 Series

Summary of Contents for GW Instek GDM-906 Series

  • Page 1 Dual Measurement Multimeter GDM-9060/9061 USER MANUAL GW INSTEK PART NO. 82DM-90610E01 ISO-9001 CERTIFIED MANUFACTURER...
  • Page 2 This manual contains proprietary information, which is protected by copyrights. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will company. The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the right to change specifications, equipment, and maintenance procedures at any time without notice.

  • Page 3: Table Of Contents

    Table of Contents Table of Contents SAFETY INSTRUCTIONS ............ 5 Safety Symbols ..............5 Safety Guidelines ..............6 GETTING STARTED ............10 Front Panel Overview ............13 Rear Panel Overview ............18 Status Bar ................21 Set Up.................. 24 BASIC MEASUREMENT ............ 26 Basic Measurement Overview ..........
  • Page 4 GDM-906X Series User Manual Application: Compare Mode ..........113 Application: 4094 / User Mode ........... 120 Application: External Trigger ..........128 SYSTEM & FIRMWARE ........... 130 View System Info ..............131 Firmware Update ..............132 MENU SETTING ............. 134 Configure System ............... 135 Configure Display ...............

  • Page 5: Safety Instructions

    SAFETY INSTRUCTIONS AFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow when operating the GDM-9060/9061 and when keeping it in storage. Read the following before any operation to insure your safety and to keep the GDM-9060/9061 in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the GDM-9060/9061.

  • Page 6: Safety Guidelines

    GDM-906X Series User Manual Safety Guidelines Make sure that the voltage input level does not exceed General Guideline  DC1000V/AC750V. Make sure the current input level does not exceed 10A.  CAUTION Do not place any heavy object on the instrument. ...
  • Page 7 SAFETY INSTRUCTIONS Due to the fact that the Front/Rear Input Switch on  the front panel is not proposed as an active WARNING multiplexer, do Not change the input switch when (GDM-9061 only) signals are present on either rear or front set of terminals.
  • Page 8 GDM-906X Series User Manual (Note) EN 61010-1:2010 specifies the pollution degrees and their requirements as follows. The GDM-9060/9061 falls under degree 2. Pollution refers to “addition of foreign matter, solid, liquid, or gaseous (ionized gases), that may produce a reduction of dielectric strength or surface resistivity”.
  • Page 9 SAFETY INSTRUCTIONS Power cord for the United Kingdom When using the GDM-9060/9061 in the United Kingdom, make sure the power cord meets the following safety instructions. NOTE: This lead / appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow: Earth...
  • Page 10 GDM-9060/9061. Please note the information in this manual was correct at the time of printing. However as GW Instek continues to improve its products, changes can occur at any time without notice. Please see the GW Instek website for the latest information and content.

  • Page 11: Getting Started

    GETTING STARTED GDM-9060/9061 Characteristics The GDM-9060/9061 is a portable, dual-display digital multimeter suitable for a wide range of applications, such as production testing, research, and field verification. The highest DCV accuracy: Performance  GDM-9061: 35ppm GDM-9060: 75ppm The highest current: ...
  • Page 12 GDM-906X Series User Manual GPIB card   Optional Items GTL-207A Test leads  GTL-234 RS-232 Cable , 2000mm  GTL-246 USB Cable, USB 2.0, A-B type, 1200mm  GTL-205 Temperature Probe Adapter with  Thermal Coupling (K-type) GTL-308 4W+Shield Test leads , 1.5M ...

  • Page 13: Front Panel Overview

    GETTING STARTED Front Panel Overview Item Description ESC (Escape) Key Print screen / Data log Key USB Host Port Power Switch Main Display Function keys (F1 through F6, functions vary per modes) Knob key Arrow Keys Measurement Keys Range Selection Keys HI and LO Sense Terminals HI and LO Input Terminals AC/DC Current Input Terminals (10 A terminal available on...
  • Page 14 GDM-906X Series User Manual Single press to escape from current page. ESC (Escape) Key Presses and holds the ESC key for 2 seconds to toggle between full display and simple display, which conceals the status bar, math display as well as additional info for lightweight use.

  • Page 15: Measurement Keys (Basic)

    GETTING STARTED DC/AC current input DC/AC 3A Terminal DC: 100μA~3A AC: 100μA~3A For details see page 37. For the fuse replacement procedure, see page 333. Accepts LO sense line in 4W resistance Sense LO measurement. For details, see page 41. Terminal Accepts HI sense line in 4W resistance Sense HI...
  • Page 16 GDM-906X Series User Manual The Shift key is used to select the Shift secondary functions assigned to each front panel key. When pressed, the Shift indicator appears in the display. For the Local key, it helps release Local from the remote control and returns the instrument to local panel operation (page 201).

  • Page 17: Measurement Keys (Advanced)

    GETTING STARTED Measurement Keys (advanced) The lower 2 rows of measurement keys are used for Background more advanced functions. Each key has a primary and secondary function. The secondary function is accessed in conjunction with the Shift key. Measures the Relative value (page 72).

  • Page 18: Rear Panel Overview

    GDM-906X Series User Manual Rear Panel Overview Item Description HI and LO Sense Terminals (GDM-9061 only) HI and LO Input Terminals (GDM-9061 only) 3 A Current Terminal (GDM-9061 only) 3 A Current Terminal Fuse DIGITAL I/O Connector RS-232 Interface Connector USB Interface Connector (B Type) Ethernet (LAN) Connector Fan Vents...
  • Page 19 GETTING STARTED Accepts the power cord. AC Power Cord Socket 100/120/220/240V ±10%, 50Hz / 60Hz /400Hz ±10%. For power on sequence, see page Holds the main fuse: Fuse Socket 100/120 VAC: T0.25A 220/240 VAC: T0.125A For fuse replacement details, see page 332.
  • Page 20 GDM-906X Series User Manual For heat ventilation when machine Fan Vents is under operation. Accepts LO sense line in 4W Sense LO Terminal resistance measurement. For (GDM-9061 only) details, see page 41. Accepts HI sense line in 4W Sense HI Terminal resistance measurement.

  • Page 21: Status Bar

    GETTING STARTED Status Bar Identify each icon within the top status bar. Background Status Bar 8 9 0 A Display Item Description Local/Remote control icon RS-232/USB-CDC/USB-TMC/LAN/GPIB interface icon Error icon for commands from remote control Rear panel switch icon Shift key identification icon The first and second function menu switch icon Digital I/O mode icon (User/4094) USB flash drive connection icon...
  • Page 22 GDM-906X Series User Manual It indicates the unit is under local Local Control control mode. It indicates the unit is under remote Remote Control control. Refer to page 200 for details. It indicates RS-232 interface is activated. RS-232 Refer to page 205 for details. It indicates USB - CDC interface is USB - CDC activated.
  • Page 23 GETTING STARTED It indicates the active bottom menu Second function corresponding to functional keys is the menu second menu. Click the Knob key (Enter) to switch to the first function menu. It indicates Digital I/O – 4094 mode is Digital I/O – enabled.

  • Page 24: Set Up

    GDM-906X Series User Manual Set Up Horizontal/Tilt/Vertical Applications Pull out the handle sideways and rotate it clockwise for the applications below. Tilt Horizontal Place the unit horizontally. Rotate the handle for tilt stand. Vertical Place the handle vertically for hand carry.

  • Page 25: Power Up

    GETTING STARTED Power Up 1. Ensure the correct line voltage is Steps clearly shown on the fuse socket (240V in the right figure for example). If not, see page 332 to set the proper line voltage and fuse. 2. Connect the power cord to the AC Voltage input.

  • Page 26: Basic Measurement

    GDM-906X Series User Manual ASIC MEASUREMENT Basic Measurement Overview ..........27 Refresh Rate ................27 Automatic (Internal)/Single Triggering ........29 AC/DC Voltage Measurement ..........30 Select Voltage Range ..............31 General Voltage Setting ............. 32 Voltage Conversion Table ............35 Crest Factor Table ..............

  • Page 27: Basic Measurement Overview

    BASIC MEASUREMENT Basic Measurement Overview Basic measurement refers to the several types of measurements Background assigned to the upper 2 row keys on the front panel. AC Voltage Measurement type DC Voltage AC Current DC Current 2-wire and 4-wire Resistance Ω...
  • Page 28 GDM-906X Series User Manual Press the left or right arrow keys to change the Selection refresh rate. Procedure You can also press the F2 (Speed) key to select a desired rate for measurement. Press corresponding function key in accord with the desired option on screen display.

  • Page 29: Automatic (Internal)/Single Triggering

    BASIC MEASUREMENT Automatic (Internal)/Single Triggering By default, the GDM-9060/9061 automatically triggers Overview according to the refresh rate. See the previous page for refresh rate setting details. The TRIG key, on the other hand, is used to manually trigger once per click. Simply press the TRIG key to Single trigger Single Trigger measurement.

  • Page 30: Ac/Dc Voltage Measurement

    GDM-906X Series User Manual AC/DC Voltage Measurement 0 ~ 750V Voltage type 0 ~ 1000V Press the ACV key or DCV key to Activate ACV/ measure AC or DC voltage, respectively. The mode will switch to ACV, DCV mode immediately. ACV/DCV mode See the figure below for example.

  • Page 31: Select Voltage Range

    BASIC MEASUREMENT Select Voltage Range To turn the automatic range selection Auto range On/Off, press the Auto key. Press the “+” or the “-” key to select the Manual range range. The Auto indicator turns to indicating Manual range selection. If the appropriate range is unknown, select the highest range.

  • Page 32: General Voltage Setting

    GDM-906X Series User Manual General Voltage Setting DCV: F2 (Speed) key to select refresh Press the F1 ~ F5 key to select the desired rate rate Press the F6 (More 1/2) key for next page with more options as the figure shown below. ACV: Press the F1 ~ F3 key to select the desired rate Autozero provides the most...
  • Page 33 BASIC MEASUREMENT Specify the input impedance to the F4 (Input R) key Background test leads (Input R). This specifies to select input the measurement terminal input resistance impedance, which is either Auto or 10 MΩ. The Auto mode selects high impedance (Hi-Z) for the 100 mV, 1 V and 10 V ranges, and 10 MΩ...
  • Page 34 GDM-906X Series User Manual The GDM-9060/9061 is able to F5 (DCV Ratio) Background calculate DCV ration by measuring key to enable input voltage from the Input DCV Ratio terminals and the reference voltage from the Sense terminals. Before activating the DCV Ration, it is required to wire test leads as the following illustration.

  • Page 35: Voltage Conversion Table

    BASIC MEASUREMENT Voltage Conversion Table This table shows the relationship between AC and DC Background reading in various waveforms. Waveform Peak to Peak (True RMS) 2.828 1.000 0.000 Sine PK-PK 1.414 0.435 0.900 Rectified Sine (full wave) PK-PK 2.000 0.771 0.636 Rectified Sine (half wave)

  • Page 36: Crest Factor Table

    GDM-906X Series User Manual Crest Factor Table Crest factor is the ratio of the peak signal amplitude to the Background RMS value of the signal. It determines the accuracy of AC measurement. If the crest factor is less than 3.0, voltage measurement will not result in error due to dynamic range limitations at full scale.

  • Page 37: Ac/Dc Current Measurement

    BASIC MEASUREMENT AC/DC Current Measurement The GDM-9061, with front/rear input terminals, has two Background input terminals for current measurement: the 3A terminal for current less than 3A and a 10A terminal for measurements up to 10A, which can measure between 3 ~ 10A for both AC and DC current.
  • Page 38 GDM-906X Series User Manual Connect the test lead between the Connect the test 3A terminal and the Input LO lead and measure terminal or DC/AC 10A terminal and the Input LO terminal, depending on the input current. The display updates the reading. For current ≤...

  • Page 39: Select Current Range

    BASIC MEASUREMENT Select Current Range To turn the automatic range selection On/Off, Auto range press the AUTO key. The most appropriate range for the currently used input jack will be automatically selected. The GDM-9060/9061 is able to do this by remembering the last manually selected range and using that information to determine the smallest current range that the auto-range function will switch to.

  • Page 40: General Current Setting

    GDM-906X Series User Manual General Current Setting DCI: F2 (Speed) key to select the rate Press the F1 ~ F5 key to select the desired rate Press the F6 (More 1/2) key for next page with more options as the figure shown below. ACI: Press the F1 ~ F3 key to select the desired rate Autozero provides the most...

  • Page 41: 2W/4W Resistance Measurement

    BASIC MEASUREMENT 2W/4W Resistance Measurement Uses the standard Input HI-LO terminals. Measurement 2-wire OHM Recommended for measuring resistances type larger than 1kΩ. Compensates the test lead effect using the 4-wire OHM 4W compensation terminals (SENSE HI/LO terminals), in addition to the standard Input HI-LO terminals.

  • Page 42: Select Resistance Range

    GDM-906X Series User Manual For 2W measurement, connect the test leads between the Connect the test Input HI terminal and the LO terminal. lead and measure For 4W measurement, connect the test leads between the Input HI terminal and the LO terminal, as the way to 2W measurement.

  • Page 43: General Resistance Setting

    BASIC MEASUREMENT 100kΩ 100mΩ 119.9999kΩ 1MΩ 1Ω 1.199999MΩ 10MΩ 10Ω 11.99999MΩ 100MΩ 100Ω 119.9999MΩ For more details, see the specifications on page 343. Note General Resistance Setting Press the F1 ~ F5 key to select the desired rate F2 (Speed) key to select the rate Press the F6 (More 1/2) key for next page with more options as the figure shown below.

  • Page 44: Continuity Test

    GDM-906X Series User Manual Continuity Test The continuity test checks that the resistance in the DUT is Background low enough to be considered continuous (of a conductive nature). Activate Press the key to activate continuity testing. continuity test The mode will switch to continuity testing immediately. Continuity mode display appears Press...

  • Page 45: Set Continuity Threshold

    BASIC MEASUREMENT Press the F2 ~ F4 key to select the volume level F3 (BeepVol) key or press the F1 key to set Beep volume off to select the Vol Set Continuity Threshold The continuity threshold defines the maximum resistance Background allowed in the DUT when testing the continuity.

  • Page 46: Diode Measurement

    GDM-906X Series User Manual Diode Measurement The diode test checks the forward bias characteristics of a Background diode by running a constant forward bias current of approximately 1mA through the DUT. Activate diode Press the Shift+ key to activate test diode measurement.

  • Page 47: Frequency/Period Measurement

    BASIC MEASUREMENT Frequency/Period Measurement The GDM-9060/9061 can be used to measure the frequency or Description period of an input signal. Frequency 3Hz ~1MHz Range Period 1.0μs ~333ms  To measure Frequency, press the FREQ key Activate frequency or followed by clicking the F3 (Measure) key to enter period test the Measure menu.
  • Page 48 GDM-906X Series User Manual The mode will switch to the Frequency or Period mode Frequency mode display immediately. Press on the front panel followed by appears clicking F3 key to choose Frequency as shown below. Frequency Indicates Frequency measurement 100ms Indicates the active refresh rate Indicates Manual range selection 100 mV...

  • Page 49: Frequency/Period In-Depth Setting

    BASIC MEASUREMENT Frequency/Period In-Depth Setting The input voltage/current range for frequency/period Background measurements can be set to Auto range or to manual. By default, the voltage/current range is set to Auto for both the period and frequency. Auto range Press the Auto/Enter key. Auto will be displayed on the upper right corner.
  • Page 50 GDM-906X Series User Manual Press the F5 key to enter timeout menu. Click the F1 – F2 key for the desired timeout setting. See the figure below with available options. Note: When selecting “Auto”, the timeout setting will fully sync with the gate time value. Press the “+”...

  • Page 51: Capacitance Measurement

    BASIC MEASUREMENT Capacitance Measurement The capacitance measurement function checks the Background capacitance of a component. Activate Press the Shift → to activate capacitance test capacitance measurement. The screen will switch to capacitance mode immediately. Capacitance mode display Press on the front panel as shown below. appears Capacitance Indicates the Capacitance measurement...

  • Page 52: Cable Open Function

    GDM-906X Series User Manual Cable Open Function Cable open function will be activated when capacitance Background range is between 1nF and 10nF. It is required to proceed to Cable Open function when capacitance is between 1nF and 10nF in which test leads connected will result in measuring capacity in small scale.

  • Page 53: Select Capacitance Range

    BASIC MEASUREMENT Select Capacitance Range To turn the automatic range selection On/Off, Auto range press the Auto key. Press the “+” or the “-” key to select the range. Manual range The Auto indicator turns to indicating Manual range selection. If the appropriate range is unknown, select the highest range.

  • Page 54: Temperature Measurement

    GDM-906X Series User Manual Temperature Measurement The GDM-9060/9061 can measure temperature utilizing Background several devices including Thermocouple, RTD (Resistance Temperature Detector) as well as Thermistor. To measure temperature, the GDM-9060/9061 accepts a device input and calculates the temperature from the voltage fluctuation.

  • Page 55: General Temperature Setting

    BASIC MEASUREMENT General Temperature Setting Press the F1 ~ F3 key to select the desired rate F2 (Speed) key to select the rate Autozero provides the most F3 (Auto Zero) Background accurate measurements, but requires key to enable additional time to perform the zero Auto Zero measurement.

  • Page 56: Thermocouple Sensor Type

    GDM-906X Series User Manual Thermocouple Sensor Type The GDM-9060/9061 accepts thermocouple inputs and Background calculates the temperature from the voltage difference of two dissimilar metals. Thermocouple sensor type is one of the main factors to be considered. Thermocouple Measurement Resolution Parameter Sensor Type Range...

  • Page 57: Thermocouple Setting

    BASIC MEASUREMENT Thermocouple Setting 1. Press the F1 (Probe) key to enter the Temperature Procedure Probe menu followed by clicking the F1 (TCouple) key to activate Thermocouple mode. See the figure shown below. 2. Press the F5 (Type) key to enter the Sensor Type menu as the figure shown below.

  • Page 58: Rtd 2W/4W Setting

    GDM-906X Series User Manual RTD 2W/4W Setting The GDM-9060/9061 supports 2 or 4 wire RTD. It is Background important to specify the type of temperature sensor used. RTD type Range Resolution Parameter All (based on PT100) -200~630°C 0.001°C 1. Press the F1 (Probe) key to enter the Temperature Procedure Probe menu followed by clicking either the F2 (RTD 2W)

  • Page 59: Set User Type Of Rtd 2W/4W

    BASIC MEASUREMENT Set User Type of RTD 2W/4W The User Type allows any customized RTD sensor coefficients Background to be used. The User Type is available for user to configure the alpha, beta, delta and R0 coefficients individually, as defined by the Callendar–Van Dusen equation.
  • Page 60 GDM-906X Series User Manual 2. Press the F6 (User Type) key to enter the User Type Setup menu where α, β, δ and R0 coefficients can be set up respectively. 3. Click the F1 ( α:0.003850) key to enter the RTD Alpha Use the Left/Right arrow Setup page as the figure shown below.

  • Page 61: Thermistor 2W/4W Setting

    BASIC MEASUREMENT Thermistor 2W/4W Setting The GDM-9060/9061 supports 2 or 4 wire Thermistor. It is Background important to specify the type of temperature sensor used. Type Range Resolution Parameter -80~150°C 0.001°C 1. Press the F1 (Probe) key to enter the Temperature Procedure Probe menu followed by clicking either the F4 (Therm2W) or F5 (Therm4W) key...

  • Page 62: Set User Type Of Thermistor 2W/4W

    GDM-906X Series User Manual Set User Type of Thermistor 2W/4W The User Type allows any customized Thermistor sensor Background coefficients to be used. The User Type is available for user to configure the A, B and C coefficients individually as defined by the Steinhart–Hart equation.
  • Page 63 BASIC MEASUREMENT 3. Press the F6 (Enter) key or the Knob key confirm the input value and repeat the previous steps 2 - 4 α to set up the B coefficients individually. and C B range: 0 ~ 9.9999 (default :2.35600E-04) C range: 0 ~ 9.9999 (default :9.55700E-08) THERM B Setup THERM C Setup...

  • Page 64: Dual Measurement

    GDM-906X Series User Manual UAL MEASUREMENT Dual Measurement The dual measurement mode allows you to use the 2nd Background display to show another item, thus viewing two different measurement results at once. When the multimeter is used in dual measurement mode, both displays are updated from either a single measurement or from two separate measurements.
  • Page 65 DUAL MEASUREMENT ● ● ● ● ● ● ● ● ● FREQ When two different measurements are taken, there is a Note switching delay between the first measurement and the second measurement. Choose one of the basic 1st Measurement measurement functions from the item setting table above to set the measurement mode for the primary display.
  • Page 66 GDM-906X Series User Manual After the secondary measurement function has been Editing 1st or 2nd activated, the rate, range and measurement item can be measurement item edited for either the primary or secondary display. Note, settings however, it is more practical to configure the first or second measurement items before activating dual measurement mode.

  • Page 67: Refresh Rate

    DUAL MEASUREMENT Refresh Rate Refresh rate defines how frequently the Background GDM-9060/9061 captures and updates measurement data. A faster refresh rate yields a lower accuracy and resolution. A slower refresh rate yields a higher accuracy and resolution. Consider these tradeoffs when selecting the refresh rate.

  • Page 68: Connect The Test Leads

    GDM-906X Series User Manual Reading The reading indicator flashes according to the defined Indicator refresh rate setting of the active display. Reading Indicator Connect the Test Leads When using the dual measurement function, the Connect the test connection method and number of test leads required leads and measure depends on the measurement combination.
  • Page 69 DUAL MEASUREMENT Voltage/Frequency/Period and Current Measurement DC Current measurements will be displayed as a negative Note value as the polarity of the current leads has been reversed. Please take into account the resistance of the test leads and internal resistance of the current connection as it is in series with the test circuit.

  • Page 70: Advanced Measurement

    GDM-906X Series User Manual DVANCED MEASUREMENT Advanced Measurement Overview........71 Relative Value Measurement ..........72 Hold Measurement ............. 74 Trigger Setting ..............77 Automatic/Single Triggering ............. 77 Use External Trigger ..............78 Set Trigger Delay ............... 81 Filter Setting ............... 83 Digital Filter Overview ..............

  • Page 71: Advanced Measurement Overview

    ADVANCED MEASUREMENT Advanced Measurement Overview Advanced measurement mainly refers to the type of Background measurement which uses the result obtained by one of the basic measurements: ACV, DCV, ACI, DCI, 2/4W, Diode/Continuity, Frequency/Period, and Temperature. Advanced Basic Measurement Measurement AC/DCV AC/DCI 2/4W Hz/P TEMP ●...

  • Page 72: Relative Value Measurement

    GDM-906X Series User Manual Relative Value Measurement Applicable to Relative measurement stores a value, typically the data at the moment, Background as the reference. The following measurement is shown as the delta between the references. The reference value will be cleared upon exit. REL, basically, is to subtract a certain value in the following measurement.
  • Page 73 ADVANCED MEASUREMENT To set the reference (REL) value manually, Manually set press the Shift key followed by the REL key. the reference value The setting appears. First use function keys to decide unit value. Then use the Left/Right arrow keys to move cursor and scroll the Knob key or press Number keys to enter the desired value.

  • Page 74: Hold Measurement

    GDM-906X Series User Manual Hold Measurement Applicable to The Hold Measurement function retains the current Background measurement data and updates it only when it exceeds the set threshold (as a percentage of the retained value). Press the Hold key to activate Hold Activate Hold measurement.
  • Page 75 ADVANCED MEASUREMENT Press the F4 (BeepVol) key to show the menu F4 (BeepVol) of Volume level of Beep as the following. key to define beep volume Press the F2 - F4 key to select volume level. Once the latest hold value is updated, the beep sounds based on the defined volume.
  • Page 76 GDM-906X Series User Manual Background The Math page in MathDisp allows you to view Show Math mathematical calculations for several parameters. result Operation Press the F3 (Math) key to show the mathematical analysis instantly as below. +000.7098 View Data Indicates the latest hold value mVDC Measure: Indicates the originally measured mV...

  • Page 77: Trigger Setting

    ADVANCED MEASUREMENT Trigger Setting Automatic/Single Triggering Applicable to By default, the GDM-9060/9061 triggers according to the Automatic refresh rate automatically. See the previous page for refresh triggering rate setting details. The figure below shows the screen of (default) Automatic Trigger measurement. Auto Trigger Mode Press the TRIG key to Single trigger Single...

  • Page 78: Use External Trigger

    GDM-906X Series User Manual  Under Single Trigger mode, press and hold the Change mode TRIG button for at least 2 second to return to Auto Trigger mode.  Under Auto Trigger mode, simply press the TRIG button to return to Single Trigger mode. Use External Trigger The GDM-9060/9061 uses the internal trigger by default, for Background...
  • Page 79 ADVANCED MEASUREMENT Press the Shift + TRIG key to activate setting Activate menu of trigger. external trigger Press the F1 (TrigSource) key to enter the trigger source menu followed by pressing the F3 (EXT) to select External Trigger mode. The “EXT” indicator appears on the display. External Trigger Mode 1.
  • Page 80 GDM-906X Series User Manual Background It indicates EOM (End Of Measurement) output Set EOM signal. Select Positive or Negative as the output signal for extension applications when necessary. Press the F6 (EOM OUT) key to toggle between Positive and Negative mode for EOM OUT setting.

  • Page 81: Set Trigger Delay

    ADVANCED MEASUREMENT Set Trigger Delay Trigger delay defines the time delay between triggering and Background measurement start. The default is set at 200us. 1. Press the Shift + TRIG key to activate Manual setting menu of trigger. trigger delay 2. Press the F3 (1ST Delay) key to enter the Trigger Delay (1ST) menu.
  • Page 82 GDM-906X Series User Manual 1. Repeat the steps 1 – 2 of manual trigger Auto trigger delay first, and press the F4 (AutoDelay) delay key to switch the display as the following. 2. Press the ESC key to return to the previous page and have the auto trigger delay setting take effect.

  • Page 83: Filter Setting

    ADVANCED MEASUREMENT Filter Setting Digital Filter Overview Applicable to The GDM-9060/9061 internal digital filter converts the Filter basics analog input signal into digital format before passing it to internal circuits for processing. The filter affects the amount of noise included in the measurement result. The digital filter averages a specific number of input Filter type signal samples to generate one reading.

  • Page 84: Digital Filter Setting

    GDM-906X Series User Manual Filter count defines the number of samples to be Filter count averaged per reading. More samples offer low noise but a long delay. Less samples offer high noise but a short delay. 2 ~ 100 Range Filter window defines the threshold for when the digital Filter window filter data is updated again.
  • Page 85 ADVANCED MEASUREMENT Press the F1 (Setup) key to toggle between the Select 1ST and the 2ND measurement to be setup for display filter setting. Note: only when 2ND measurement is enabled, you are able to toggle options here. Otherwise, only the 1ST is available for setup. Press the F2 (Filter) key to turn On or Off filter Turn on function.

  • Page 86: Math Measurement

    GDM-906X Series User Manual Press the F6 (Window) key to enter the Define subsequent menu. Press the F1 – F5 keys to filter choose desired Filter Window percentage. window 0.01%, 0.1%, 1%, 10%, None Range Press the Shift key + the Menu (Filter) key. Press Turn off the F2 (Filter) key to turn Off Filter function.
  • Page 87 ADVANCED MEASUREMENT Using the ACV or DCV measurement result, the Background GDM-9060/9061 calculates the dBm, dB or Watt value based on a reference resistance value in the following way. Equation 10 x log (1000 x Vreading / Rref) dBm – dBmref Watt Vreading Rref...
  • Page 88 GDM-906X Series User Manual Indicator dBm On Measured dBm Value To change the reference resistance, Select reference press the F3 (REF Ω) key to enter the resistance (REF Ω) setting menu. Scroll the Knob key or press Number keys to enter the desired value of reference resistance.
  • Page 89 ADVANCED MEASUREMENT Watt result appears Shows measured dBW (Watt) value Press the F2 (MathDisp) key to show the F2 (MathDisp) key Math Display menu as the figure below to show STAT & shown. Proceed to the F2 (STAT) or F3 Math (Math) display in accord with the following chapters.
  • Page 90 GDM-906X Series User Manual Average Indicates the mean (average) value Peak-Peak Indicates the peak to peak data STDEV Indicates the standard deviation of the data Count Indicates the latest counts of Background The Math page in MathDisp allows you to Show Math result view mathematical calculations for several parameters.
  • Page 91 ADVANCED MEASUREMENT dBmref Reference dBm value Parameters dB is, specifically, defined as [dBm−dBmref]. When the Background dB measurement is activated, the GDM-9060/9061 calculates the dBm using the reading at the first moment and stores it as dBmref. Press the Shift + Math key to Activate dB activate Math setting menu as the following figure shown.
  • Page 92 GDM-906X Series User Manual Resistance List 1000 1200 8000 Reference method involves the ways to F4 (Ref Method) calculate dB value. When dBm option is to select dB selected, user can specify a definite dBm value reference method for dB calculation. If selecting Voltage option, system regards the defined voltage value as the Vreading parameter for dBm calculation, thus resulting in different dB...
  • Page 93 ADVANCED MEASUREMENT Press the F6 (Ref Value_Current) key to F6 (Ref Value) key instantly make the current dBm value, which is to set the dBm calculated by the current input voltage with reference the equation, as the Ref dBm (dBm reference). Press the F2 (MathDisp) key to show the F2 (MathDisp) key option menu as the figure below shown.
  • Page 94 GDM-906X Series User Manual Background The STAT page in MathDisp allows you to Show STAT result make statistical calculations for several measurements including Minimum, Maximum, Average Peak-Peak, Standard Deviation and Count. Operation Press the F2 (STAT) key to show the statistical data immediately as the figure below.
  • Page 95 ADVANCED MEASUREMENT Background The Math page in MathDisp allows you to Show Math result view mathematical calculations for several parameters. Operation Press the F3 (Math) key to show the mathematical analysis instantly as below. -012.1597 Indicates the calculated dB value View Data Measure: Indicates the originally measured...

  • Page 96: Compare Mode

    GDM-906X Series User Manual Compare Mode Applicable to The Compare mode checks and updates if measurement data Background stays between the specified upper (high) and lower (low) limit. Press the Shift + Math key to activate Math Activate setting menu as the following figure shown. Compare mode Further press the F1 (Function) key to enter...
  • Page 97 ADVANCED MEASUREMENT Push the F6 (Enter) key or the Knob key (Enter) to make the setting into effect. Press the F5 (Low Limit) key to enter the F5 (Low setting menu. Limit) to set low limit First use the functions keys to determine the unit, which varies by different measure modes.
  • Page 98 GDM-906X Series User Manual When the measured result is within the range of high and low Compare limit, the display shows as the figure below with purely black mode result background indicating the state of “Pass”. However, when measured result is either above or less than the limit range, the display appears as the figure below with boldly red background indicating the state of “Fail”.
  • Page 99 ADVANCED MEASUREMENT Press the F2 (MathDisp) key to show the F2 (MathDisp) Math Display menu as the figure below key to show STAT, shown. Proceed to the F2 (STAT), F3 Math & (Math) or F4 (Math+STAT) display in Math+STAT accord with the following chapters. Background The STAT page in MathDisp allows you Show STAT...
  • Page 100 GDM-906X Series User Manual Operation Press the F3 (Math) key to show the mathematical analysis as the figure below. +000.5625 Indicates the currently measured View Data mVDC mVDC value Low Limit Indicates the defined low limit Low Fail Indicates the counts of below the defined low limit High Limit Indicates the defined high limit...
  • Page 101 ADVANCED MEASUREMENT Red Section It is identical to the contents of Math display. Refer to the previous chapter for details. The latest state of compare measurement, whether it’s Compare “Pass”, “High” or “Low”, will also appear within each live-result in mode of MathDisp.

  • Page 102: Mx+B Measurement

    GDM-906X Series User Manual MX+B Measurement Applicable Press the Shift + Math key to activate Math Activate setting menu as the following figure shown. MX+B Further press the F1 (Function) key to enter the Math Function menu as the figure shown below.
  • Page 103 ADVANCED MEASUREMENT Press the F4 (B Value) key to enter the setting F4 (B menu. First use function keys to decide unit Value) key value, which may vary by different to set the measurements. Then use the Left/Right arrow offset B keys to move cursor and scroll the Knob key or press Number keys to enter the desired value.
  • Page 104 GDM-906X Series User Manual STDEV Indicates the standard deviation of the data Count Indicates the latest counts of MX+B Background The Math page in MathDisp allows you to view Show Math mathematical calculations for several result parameters. Operation Press the F3 (Math) key to show the mathematical analysis instantly as below.

  • Page 105: 1/X Measurement

    ADVANCED MEASUREMENT 1/X Measurement Applicable Press the Shift + Math key to activate Math Activate setting menu as the following figure shown. Further press the F1 (Function) key to enter the Math Function menu as the figure shown below. Press F6 (More 1/2) key to enter the next page followed by pressing the F1 (1/X) key.
  • Page 106 GDM-906X Series User Manual Operation Press the F2 (STAT) key to show the statistical data as the figure below. +01.50367 k Indicates the 1/X calculation View Data Minimum Indicates the minimum data value Maximum Indicates the maximum data value Average Indicates the mean (average) value Peak-Peak Indicates the peak to peak data...

  • Page 107: Measure Percent

    ADVANCED MEASUREMENT Measure Percent Applicable Press the Shift + Math key to activate Math Activate setting menu as the following figure shown. percent Further press the F1 (Function) key to enter the Math Function menu as the figure shown below. Press F6 (More 1/2) key to enter the next page followed by pressing the F2 (Percent) key.
  • Page 108 GDM-906X Series User Manual Push the Knob key (Enter) or press the F6 (Enter) key to confirm the input value. Press the F2 (MathDisp) key to show the F2 (MathDisp) key option menu as the figure below shown. to show STAT & Math Proceed to the F2 (STAT) or F3 (Math) display in accord with the following...
  • Page 109 ADVANCED MEASUREMENT Operation Press the F3 (Math) key to show the mathematical analysis instantly as below. -017.3037 Indicates the Percent calculation View Data Measure: Indicates the originally measured +000.4886mV m Voltage value Ref %: Indicates the defined +000.5908m reference % value To cancel the percent measurement, press the Deactivate F1 (Function) key followed by clicking F1...

  • Page 110: Digital I/O

    GDM-906X Series User Manual IGITAL I/O Digital I/O Overview ............111 Application: Compare Mode ..........113 Application: 4094 / User Mode ........... 120 User Mode – IO (Output) Mode ..........120 User Mode – Switch Mode (LED) ..........122 User Mode – Switch Mode (Relay) ..........124 4094 Mode ................

  • Page 111: Digital I/O Overview

    DIGITAL I/O Digital I/O Overview The Digital I/O port is a triple function port. By default Background (Compare Mode) the port is used with the compare function to output Hi Fail, Lo Fail, Pass, and EOM (end of measurement) signals. In addition, there is also a TRIG IN input pin. As a secondary function (4094 Mode) and third function (User Mode), the Digital I/O port can have the output state of pins 5 ~ 8 controlled via remote control.
  • Page 112 GDM-906X Series User Manual Pass Out Clock OUT1 Fail Out Output Enable OUT2 High Limit Fail Strobe OUT3 Low Limit Fail Serial Input OUT4 EOM Out EOM Out EOM Out VCC output, 5V. Serves as the unregulated max power Pin1 source for the external device/logic.

  • Page 113: Application: Compare Mode

    DIGITAL I/O EOM (End Of Measurement) signal Output. Pin9 Activates when compare measurement is over. It is also available in other measurements. EOM pulse width timing Application: Compare Mode Applicable to The Compare Mode outputs the pass/fail results of the Background Compare function.
  • Page 114 GDM-906X Series User Manual Press the Shift + Math key to activate Math Activate setting menu as the following figure shown. Compare mode Further press the F1 (Function) key to enter the Math Function menu as the figure shown below. Press F4 (Compare) key to enable the Compare function.
  • Page 115 DIGITAL I/O Press the F5 (Low Limit) key to enter the F5 (Low setting menu. Limit) to set low limit First use the functions keys to determine the unit, which varies by different measure modes. Then use the Left/Right arrow keys to move cursor and scroll the Knob key or press Number Keys to enter the desired value of low limit.
  • Page 116 GDM-906X Series User Manual When the measured result is within the range of high and low Compare limit, the display shows as the figure below with purely black mode result background indicating the state of “Pass”. However, when measured result is either above or less than the limit range, the display appears as the figure below with boldly red background indicating the state of “Fail”.
  • Page 117 DIGITAL I/O Press the F2 (MathDisp) key to show the F2 (MathDisp) Math Display menu as the figure below key to show STAT, shown. Proceed to the F2 (STAT), F3 Math & (Math) or F4 (Math+STAT) display in Math+STAT accord with the following chapters. Background The STAT page in MathDisp allows you Show STAT...
  • Page 118 GDM-906X Series User Manual Operation Press the F3 (Math) key to show the mathematical analysis as the figure below. +000.5625 Indicates the currently measured View Data mVDC mVDC value Low Limit Indicates the defined low limit Low Fail Indicates the counts of below the defined low limit High Limit Indicates the defined high limit...
  • Page 119 DIGITAL I/O The latest state of compare measurement, whether it’s Compare “Pass”, “High” or “Low”, will also appear within each live-result in mode of MathDisp. See the example below for the “High” MathDisp result in Math+STAT mode. The boldly red background along with the indicator “HIGH”...

  • Page 120: Application: 4094 / User Mode

    GDM-906X Series User Manual Application: 4094 / User Mode 4094 and User mode can only used when using a remote Overview control interface. Likewise this mode can only be enabled or disabled via remote control. Please see the digital I/O commands on page 272 for full usage details.
  • Page 121 DIGITAL I/O * Use the built-in power supply Pin Diagram Note: Pin1 and Pin2 Not in use * Use in conjunction with the logic gate Note: Pin2 Not in use...

  • Page 122: User Mode - Switch Mode (Led)

    GDM-906X Series User Manual User Mode – Switch Mode (LED) It is the mode driving LED as status display for user with up Overview to 4 pins available for use simultaneously. Refer to the following introductions along with diagrams for more details. Please see the digital I/O commands on page 272 for full usage details.
  • Page 123 DIGITAL I/O * Use the built-in power supply Pin Diagram Note: Pin2 and Pin3 Not in use * Use the external power Note: Pin1 and Pin2 Not in use...

  • Page 124: User Mode - Switch Mode (Relay)

    GDM-906X Series User Manual User Mode – Switch Mode (Relay) It is the mode driving Relay to control external circuit with up Overview to 4 pins available for use simultaneously. Refer to the following introductions along with diagrams for more details. Please see the digital I/O commands on page 272 for full usage details.
  • Page 125 DIGITAL I/O * Use the built-in power supply which provides the power Pin Diagram of maximum 100mA Note: Pin3 Not in use * Use the external power (+5~24V) (Maximum Ids of each channel: 400mA) Note: Connect Pin2 to Ext Vcc...

  • Page 126: 4094 Mode

    GDM-906X Series User Manual 4094 Mode It is the mode for IO expansion via converting serial data into Overview parallel data. Up to 8 pins are available simultaneously when single 4094 is in operation, whereas it rises to the maximum of 16 pins available simultaneously if putting two 4094 in series.
  • Page 127 DIGITAL I/O * Use the built-in power supply Pin Diagram Note: Pin2 Not in use * Use the external power Note: Pin1 and Pin2 Not in use * Method of series Note: Pin1 and Pin2 Not in use...

  • Page 128: Application: External Trigger

    GDM-906X Series User Manual Application: External Trigger The external trigger uses the digital I/O pin for manual Background triggering of the GDM-9060/9061. To trigger the GDM-9060/9061 a pulse of ≥10μs is needed. The READ? command can also be used to externally trigger the GDM-9060/9061 when the GDM-9060/9061 is in the external trigger mode.
  • Page 129 DIGITAL I/O Press the Shift + TRIG key to activate Activate setting menu of trigger. external trigger Press the F1 (TrigSource) key to enter the trigger source menu followed by pressing the F3 (EXT) to select External Trigger mode. The “EXT” indicator appears on the display. External Trigger Mode The reading indicator does not flash before triggering (can...

  • Page 130: System & Firmware

    GDM-906X Series User Manual YSTEM & FIRMWARE View System Info ..............131 Firmware Update ..............132...

  • Page 131: View System Info

    SYSTEM & FIRMWARE View System Info View system information including Vendor, Model Name, Background Serial Number, Master Firmware and Slave Firmware. 1. Press the Menu key, the System Step configuration menu appears. And press the NEXT key repeatedly or scroll the Knob key to move to the Security&Info –...

  • Page 132: Firmware Update

    GDM-906X Series User Manual Firmware Update This section is for updating the latest firmware. Background 1. Press the Menu key, the System Step configuration menu appears. And press the NEXT key repeatedly or scroll the Knob key to move to the Cali&Update - Firmware field.
  • Page 133 SYSTEM & FIRMWARE 1. Press the F5 (Enter) key or Knob key first, the qualified firmware version will show then. Note: If flash drive has no update files, it will show as the figure below. 2. Press the NEXT key or scroll Knob key to move to the Update followed by pressing the F5 (Enter) key or Knob key to Start update.
  • Page 134 GDM-906X Series User Manual ENU SETTING Configure System ............... 135 Beep Setting ................135 Key Sound Setting ..............136 Date Setting ................137 Time Setting ................138 TimeSync Setting ..............139 Save and Load Setting ............... 140 Calibration Setting ..............145 Firmware Update ...............

  • Page 135: Menu Setting

    MENU SETTING Configure System Beep Setting Enable or Disable Beep Sound. Background 1. Press the Menu key, the System Step configuration menu appears. 2. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the ON option.

  • Page 136: Key Sound Setting

    GDM-906X Series User Manual Key Sound Setting Enable or Disable Key Sound. Background 1. Press the Menu key, the System Step configuration menu appears. And then press the NEXT key repeatedly or scroll the Knob key to move to the Key Sound field. 2.

  • Page 137: Date Setting

    MENU SETTING Date Setting Manually adjust date for system or automatically set date Background via TimeSync setting. 1. Press the Menu key, the System Step configuration menu appears. And press the NEXT key repeatedly or scroll the Knob key to move to the Date/Time - Date field.

  • Page 138: Time Setting

    GDM-906X Series User Manual Time Setting Manually adjust time for system or automatically set time Background via TimeSync setting. 1. Press the Menu key, the System Step configuration menu appears. And press the NEXT key repeatedly or scroll the Knob key to move to the Date/Time - Time field.

  • Page 139: Timesync Setting

    MENU SETTING TimeSync Setting TimeSync is only available when connecting to internet Background with appropriate network setting. 1. Press the Menu key, the System Step configuration menu appears. And press the NEXT key repeatedly or scroll the Knob key to move to the Date/Time - TimeSync field.

  • Page 140: Save And Load Setting

    GDM-906X Series User Manual time.nust.gov / time-nw.nist.gov The 2nd server is available for user customization. Refer to page 259 for SCPI setting. Synchronize Now Retrieve the currently standard time from the remote sever. Synchronize Time Define an interval to retrieve the currently standard time from the remote sever.
  • Page 141 MENU SETTING 2. Press the F5 (Enter) key or Knob key to enter the Parameter Save&Load menu. Save Parameter Save&Load Select a 1. Press the F5 (Enter) key or Knob Group key to open the dropdown menu. 2. Scroll the Knob key or pressing +/- keys followed by pressing the F5 (Enter) key or Knob key to confirm the group selection.
  • Page 142 GDM-906X Series User Manual Note 1. Press the F5 (Enter) key or Knob key to open the KeyBoard page. 2. Press the F2 (Backspace) key to clear default words. 3. Use the Left/Right and +/- keys or scroll the Knob key to move the cursor to desired word followed by pressing the F5 (Input) key or Knob key to input the word.
  • Page 143 MENU SETTING Enter 3. Press the F5 (Enter) key or Knob key to saved the input words. Load Select a 1. Press the F5 (Enter) key or Knob Group key to open the dropdown menu. 2. Scroll the Knob key or press +/- keys followed by pressing the F5 (Enter) key or Knob key to confirm the group selection.
  • Page 144 GDM-906X Series User Manual Select a 1. Press the F5 (Enter) key or Knob Action key to open the dropdown menu. 2. Scroll the Knob key or press +/- keys followed by pressing the F5 (Enter) key or Knob key to confirm the action selection.

  • Page 145: Calibration Setting

    MENU SETTING Calibration Setting This section mainly provides several calibrations for Background frequency, DC gain and DMM. Note that only the certified technician can operate the calibration procedure. Refer to the qualified personnel for more details when necessary. 1. Press the Menu key, the System Step configuration menu appears.
  • Page 146 GDM-906X Series User Manual Frequency Enable or disable frequency compensation Frequency Compensate (the value indicates the compensation Calibration (1.000017) coefficient; default: Factory calibration value) Check the box to enable: Frequency = Original Frequency x Compensate Coefficient Uncheck the box to disable: Frequency = Original Frequency FREQ Cali Select either Auto or Manual frequency cali...
  • Page 147 MENU SETTING Please Input Start the frequency compensation coefficient 1kHz Source calculation and connect the 1k Hz standard source to the Input HI and LO terminals (only available when Auto mode is opted). Please regard the 1k Hz standard source as NOTE the baseline for frequency compensation coefficient calculation.

  • Page 148: Firmware Update

    GDM-906X Series User Manual Firmware Update This section is for updating the latest firmware. Background 1. Press the Menu key, the System Step configuration menu appears. And press the NEXT key repeatedly or scroll the Knob key to move to the Cali&Update - Firmware field.

  • Page 149: Security Setting

    MENU SETTING 1. Press the F5 (Enter) key or Knob key first, the qualified firmware version will show then. Note: If flash drive has no update files, it will show as the figure below. 2. Press the NEXT key or scroll Knob key to move to the Update followed by pressing the F5 (Enter) key or Knob key to Start update.
  • Page 150 GDM-906X Series User Manual 3. Press the F5 (Enter) key or Knob key to enter the Please Input Password page. 3. Use the Left/Right and +/- keys or scroll the Knob key to move the cursor followed by pressing the F5 (Input) key or the Knob key to input the password.
  • Page 151 MENU SETTING 4. Press the F4 (OK) key or Knob key to enter the Security page. Enable or disable password Security Lan Password requirement for Lan web and telnet Enable Control. Check / Uncheck Enter the old password Old Password Enter the new password New Password Enter the new password again...

  • Page 152: View System Info

    GDM-906X Series User Manual View System Info View system information including Vendor, Model Name, Background Serial Number, Master Firmware and Slave Firmware. 1. Press the Menu key, the System Step configuration menu appears. And press the NEXT key repeatedly or scroll the Knob key to move to the Security&Info –...

  • Page 153: Configure Display

    MENU SETTING Configure Display Brightness Setting Backlight brightness adjustment Background 1. Press the Menu key followed by Step pressing the Page Down key repeatedly until the Display configuration menu appears. 2. Use the Left/Right keys to move the cursor followed by scrolling Knob key or pressing +/- keys to define digit.

  • Page 154: Auto Off Setting

    GDM-906X Series User Manual Auto Off Setting Enable or disable automatic brightness adjustment Background 1. Press the Menu key followed by Step pressing the Page Down key repeatedly until the Display configuration menu appears. 2. Press the NEXT key repeatedly or scroll the Knob key to move to the BackLight - AutoOff field.

  • Page 155: Auto Off Time Setting

    MENU SETTING 4. Press the F5 (Enter) key or Knob key to confirm the ON option for AutoOff. Auto Off Time Setting Set the duration before automatic brightness adjustment. Background When the machine has been idle for the set duration, the screen will change to automatic brightness adjustment.
  • Page 156 GDM-906X Series User Manual 2. Press the NEXT key repeatedly or scroll the Knob key to move to the BackLight – AutoOffTime field. 3. Use the Left/Right keys to move the cursor followed by scrolling Knob key or pressing +/- keys to define minutes.

  • Page 157: 1St Color Setting

    MENU SETTING 1ST Color Setting Set the theme color of 1ST display Background 1. Press the Menu key followed by Step pressing the Page Down key repeatedly until the Display configuration menu appears. 2. Press the NEXT key repeatedly or scroll the Knob key to move to the Font Color –...

  • Page 158: 2Nd Color Setting

    GDM-906X Series User Manual 4. Press the F5 (Enter) key or Knob key to confirm the selected color. The following figure demonstrates the Display result defined yellow color for 1ST display. 2ND Color Setting Set the theme color of 2ND display Background 1.
  • Page 159 MENU SETTING 2. Press the NEXT key repeatedly or scroll the Knob key to move to the Font Color – 2ND Color field. 3. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to select desired color for 2ND display.

  • Page 160: Math Color Setting

    GDM-906X Series User Manual 4. Press the F5 (Enter) key or Knob key to confirm the selected color. The following figure demonstrates the Display result defined green color for 2ND display. Math Color Setting Set the theme color of Math functions Background 1.
  • Page 161 MENU SETTING 3. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to select desired color for Math display. 4. Press the F5 (Enter) key or Knob key to confirm the selected color. The following figure demonstrates the Display result defined cyan color for Math display.

  • Page 162: Display Mode Setting

    GDM-906X Series User Manual Display Mode Setting Enable or disable if time info or user-defined text is shown Background in the 1ST display only when MathDisp is off. 1. Press the Menu key followed by Step pressing the Page Down key repeatedly until the Display configuration menu appears.
  • Page 163 MENU SETTING Time display 1. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to select the Time option. 2. Press the F5 (Enter) key or Knob key to confirm the Time option.
  • Page 164 GDM-906X Series User Manual Text display 1. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to select the Text option. 2. Press the F5 (Enter) key or Knob key to confirm the Text option.
  • Page 165 MENU SETTING 4. Press the F5 (Enter) key or Knob key to enter the KeyBoard page. 5. Press Backspace to clear default text first. Use the Left/Right & +/- keys or scroll the Knob key to move the cursor followed by pressing the F5 (Input) key or Knob key to input desired words.
  • Page 166 GDM-906X Series User Manual 6. Press the F4 (OK) key to confirm the input words. The following figure demonstrates the Display result defined text shown in the 1ST display.

  • Page 167: Anti Aliasing Setting

    MENU SETTING Anti Aliasing Setting Enable or disable the anti-aliasing function, which Background facilitates the display of measured value much smoother and easy-readable. Note that this function is available for up to 1.2k/s refresh rate. The 2.4k/s above refresh rates are Not supported by anti-aliasing.

  • Page 168: Additional Lnfo Setting

    GDM-906X Series User Manual 3. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to select the ON option. 4. Press the F5 (Enter) key or Knob key to confirm the ON selection.
  • Page 169 MENU SETTING 3. Press the F5 (Enter) key or Knob key to enter the Additional menu. Press the Next key or scroll the Knob key followed by pushing the F5 (Enter) key or Knob key to enable/disable each option. Move to the Return option followed by pressing the F5 (Enter) key or Knob key to have the setting take effect.
  • Page 170 GDM-906X Series User Manual SIM Info REL Info Auto Zero Info (Additional Info)

  • Page 171: Screenshot & Log

    SCREENSHOT & LOG CREENSHOT & LOG Capture ................172 Save Reading ............... 175...

  • Page 172: Capture

    GDM-906X Series User Manual Capture Configure the mode of screenshot capturing. Background Supported USB Sticks: USB Disk Type: Flash Disk Only FAT Format: Fat16 or Fat32(Recommended) Max memory size: 32GB Flash disks which need to use card adaptors are Note not recommended to be used in this application.
  • Page 173 SCREENSHOT & LOG 4. Press the F3 (EditName) key to enter the KeyBoard page where user can press the F2 (Backspace) key to clear default text. Use the Left/Right & +/- keys or scroll the Knob key to move the cursor followed by pressing the F5 (Input) key or Knob key to input desired words.
  • Page 174 GDM-906X Series User Manual Note For File Name - Default  Under Overwrite – “Always mode”, when repluging the USB disk, the serial number will be zeroed to the initial and the existed file in the USB disk will be overwritten automatically when saving.

  • Page 175: Save Reading

    SCREENSHOT & LOG Save Reading Configure the mode of data log saving. Background 1. Press the Shift key followed by the Step LOG/LOG# key and the following menu appears. 2. Press the F1 (Log Mode) key followed by clicking the F2 (SaveRead) key to enable the Save and Read mode for data log.
  • Page 176 GDM-906X Series User Manual 4. Press the F3 (EditName) key to enter the KeyBoard page where user can press the F2 (Backspace) key to clear default text. Use the Left/Right & +/- keys or scroll the Knob key to move the cursor followed by pressing the F5 (Input) key or Knob key to input desired words.
  • Page 177 SCREENSHOT & LOG Note For File Name - Default  Under Overwrite – “Always mode”, when repluging the USB disk, the serial number will be zeroed to the initial and the existed file in the USB disk will be overwritten automatically when saving. ...
  • Page 178 GDM-906X Series User Manual 7. Press the F5 (Source) key to enter the SaveRead Source(Log) menu where user can select either source to save and read. Determine the source mode by further pressing the F1 (Count) key or the F2 (Recent) key. “Count”...

  • Page 179: Display Setting

    DISPLAY SETTING ISPLAY SETTING Digit ..................180 Display ................181 Number ..................181 Bar Meter................... 182 Trend Chart ................186 Histogram ................. 195...

  • Page 180: Digit

    GDM-906X Series User Manual Digit Define the maximum digit numbers for each measurement. Background 1. Press the DISP key followed by clicking the Step F1 (Digit) key, the Digit menu appears where several digit options are available for selection. 2. Further press F1 (6 ½), F2 (5 ½), F3 (4 ½) keys for desired maximum digit numbers on display, or press the F1 (Auto) key to allow system determine digit numbers for display...

  • Page 181: Display

    DISPLAY SETTING Display Number Shift to the Number display mode for each measurement. Background 1. Press the DISP key followed by clicking the Step F2 (Display) key, the Display menu appears where several display options are available for selection. 2. Press the F1 (Number) key, the screen shows the Number mode for measurement display.

  • Page 182: Bar Meter

    GDM-906X Series User Manual Bar Meter Shift to the Bar Meter display for each measurement. Background 1. Press the DISP key followed by clicking the Step F2 (Display) key, the Display menu appears where several display options are available for selection.
  • Page 183 DISPLAY SETTING Red Sect. The user-specified range for measurement. Yellow Sect. The endpoints of 2 sides are “0” and “100m” respectively, which perfectly correspond to the specified range of measurement. Green Sect. The currently measured value. Manual Selecting “Manual” allows user to customize the available scale for meter bar on display.
  • Page 184 GDM-906X Series User Manual Yellow Sect. The Center value defined by user. Purple Sect. The Span Scale defined by user. Red Sect. The user-specified range for measurement. Green Sect. The currently measured value. After user selects “LowHigh” option under the F4 F5 (Low (Method) key, the low and high scales can be specified Scale) &...
  • Page 185 DISPLAY SETTING Display Red Sect. The specified Center (+0.0) in F5 key is identical with the upper value in red frame on the center value of meter bar. Green Sect. The specified Span Scale (+6.000) in F6 key indicates the whole scale of the meter bar, which means +6.000 will be evenly divided into 2 ends of the meter bar that results in...

  • Page 186: Trend Chart

    GDM-906X Series User Manual Trend Chart Shift to the Trend Chart display for each measurement. Background 1. Press the DISP key followed by clicking the Step F2 (Display) key, the Display menu appears where several display options are available for selection.
  • Page 187 DISPLAY SETTING Normal Selecting “Normal” allows the vertical scale of trend chart to be symmetric with the selected range of measurement. Red Sect. The user-specified range for measurement. Yellow Sect. The highest scale (+10) corresponds to the upper defined manual range 10V, and the lowest scale is the relative value in the opposite spectrum.
  • Page 188 GDM-906X Series User Manual chart as a baseline of vertical scale. Take the figure below for instance, the highest and lowest ends in vertical scale are irregular values 20.573m and -9.8303 which come from the latest measurements. Backgro Press the F4 (HScale) key to enter the HScale F4 (HScale) Setup menu where Count and Recent options are key to define...
  • Page 189 DISPLAY SETTING Red Sect. The user-specified range of horizontal scale in the unit of second. Press the F5 key to set up individually. Green Sect. The horizontal scale ranging from the right-side 0 to the left-hand -400.0s that corresponds to the user-specified range of horizontal scale.
  • Page 190 GDM-906X Series User Manual Purple Sect. The interval of each count of measurement which relates to the user-specified range of horizontal scale. To put it simply, due to the maximum 400 counts at once, when setting 400Sec, the interval is equal to 400Sec divided by 400 counts = 1 second.
  • Page 191 DISPLAY SETTING Red Sect. Press the F1 (Range) for range check. Green The total counts of measurements Sect. before entering the Stop&View. Yellow Press the Knob key to change the Sect. maximum counts for display. 1 pixel – 4 pixels – 400 pixels Orange The lowest value of the selected Sect.
  • Page 192 GDM-906X Series User Manual Green Press the F2 (Cursor1) for checking Sect. the lowest value of each count. Red Sect. The lowest value of the selected count with its affiliated serial number. Yellow Press the Knob key to change the Sect.
  • Page 193 DISPLAY SETTING Sect. lowest values of the selected count with its affiliated serial number. F4 key (COU/T Press the F4 (COU/TIM) key to toggle between the 2 modes (COU/TIM). In association with the previous F1 (Range), F2 (Cursor1) and F3 (Cursor2) keys, user can utilize COU to check diversified values of each count per needs Note This option is only available when...
  • Page 194 GDM-906X Series User Manual Yellow The time parameters of the selected Sect. lowest, highest and delta values display in the clear time format below, which indicate the exact day and time when the selected values occurred respectively. F5 & F6 The Stop&View under Trend Chart is also keys applicable to the dual measurement.

  • Page 195: Histogram

    DISPLAY SETTING Histogram Shift to the Histogram display for each measurement. Background 1. Press the DISP key followed by clicking the Step F2 (Display) key, the Display menu appears where several display options are available for selection. 2. Press the F4 (Histogram) key, the screen shows the Histogram mode for measurement display.
  • Page 196 GDM-906X Series User Manual Backgro Press the F3 (Bins) key to enter the Bins Setup F3 (Bins) key menu where user can customize the maximum to define bin numbers of stripe-like bins for display. numbers Note: The available options for bin numbers will vary in accordance with the defined refresh rate.
  • Page 197 DISPLAY SETTING Yellow Sect. Press the F1 (Auto) key for auto HScale setup mode. Green Sect. The user-defined refresh rate. Red Sect. The frequency of the measured total counts, highest values percentage and bin numbers is consistent with the refresh rate. Orange Sect.
  • Page 198 GDM-906X Series User Manual Purple Sect. Press the F4 (Auto(Once)) key to obtain the highest and lowest scales from the latest bins of measurement within the histogram as a baseline for horizontal scale. Take the figure below for instance, the right and left ends in horizontal scale are irregular values +1.1022 and +1.0740 which come from the...
  • Page 199 Green It indicates the selected bin number. Sect. Scroll the Knob key rightward or leftward to change bin number for checking. Yellow It indicates the total accumulated Sect. counts of measurement categorized within the selected bin number. Orange It indicates the exact percentage of Sect.

  • Page 200: Remote Control

    GDM-906X Series User Manual EMOTE CONTROL Configure Interface ............. 201 Return to Local Control Mode ........... 201 Configure SCPI ID Setting ............201 Configure USB Interface ............202 Set the USB Protocol ..............205 Configure RS232 Interface ............205 Set the FlowCtrl handshake ............212 Set the EOL Character ...............

  • Page 201: Configure Interface

    REMOTE CONTROL Configure Interface Return to Local Control Mode When the unit is in remote control mode, the RMT icon Background above the main display can be seen. When this icon is not displayed, it indicates that the unit is in local control mode.

  • Page 202: Configure Usb Interface

    GDM-906X Series User Manual 3. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the desired SCPI ID Identity option. 4. Press the F5 (Enter) key or Knob key again to confirm the desired SCPI ID Identity option Configure USB Interface Front panel, Type A, host...
  • Page 203 REMOTE CONTROL 2. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the USB option. 3. Press the F5 (Enter) key or Knob key to select the USB option. 4.
  • Page 204 GDM-906X Series User Manual 5. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the desired USB Protocol option. 6. Press the F5 (Enter) key or Knob key again to confirm the USB Protocol option.

  • Page 205: Set The Usb Protocol

    REMOTE CONTROL Set the USB Protocol The USB device port on the rear panel is used for remote Description control. The USB port can be configured as either a TMC or CDC interface. Before the GDM-9060/9061 can be used for remote control utilizing the CDC or TMC USB class, install the appropriate CDC or TMC USB driver included on the User Manual CD.
  • Page 206 GDM-906X Series User Manual 2. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the RS232 option. 3. Press the F5 (Enter) key or Knob key to select the RS232 option.
  • Page 207 REMOTE CONTROL 5. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the desired RS232 Baud Rate option. 6. Press the F5 (Enter) key or Knob key again to confirm the desired RS232 Baud Rate option.
  • Page 208 GDM-906X Series User Manual 8. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the desired RS232 FlowCtrl option. 9. Press the F5 (Enter) key or Knob key again to confirm the desired RS232 FlowCtrl option.
  • Page 209 REMOTE CONTROL 11. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the desired RS232: TX Term - EndOfLine option. 12. Press the F5 (Enter) key or Knob key again to confirm the desired RS232: TX Term EndOfLine option.
  • Page 210 GDM-906X Series User Manual 14. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the desired RS232: TX Term - Separation option. 15. Press the F5 (Enter) key or Knob key again to confirm the desired RS232: TX Term Separation option.
  • Page 211 REMOTE CONTROL Output Transmit Data (TxD) Output Data Terminal Ready (DTR) Signal Ground (SG) Input Data Set Ready (DSR) Input Request To Send (RTS) Output Clear To Send (CTS) ------ Connection Use a Null-Modem connection as the diagram below shown. PC Connection...

  • Page 212: Set The Flowctrl Handshake

    GDM-906X Series User Manual Set the FlowCtrl handshake The FlowCtrl configuration menu can set the handshake Description for return messages. Set the EOL Character The TX TERM configuration menu can set the EOL Description (end-of-line) character for return messages. The EOL characters that can be received from the PC include CR+LF, LF+CR, CR or LF.

  • Page 213: Insert Gpib Card (Optional)

    REMOTE CONTROL Insert GPIB Card (Optional) Turn the Power Off and take out the power cord. Power Off Take off the two screws on the slot corners to remove Open the the optional communication port cover. Keep the screws GDM-906X optional for later reuse.

  • Page 214: Configure Gpib Interface

    GDM-906X Series User Manual Configure GPIB Interface 24 Pin female GPIB port GPIB Configuration Connector 0-30(default 15) Address 1. Press the Menu key, and then Step the Page Down key repeatedly until the Interface configuration menu appears. 2. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the GPIB option.
  • Page 215 REMOTE CONTROL 3. Press the F5 (Enter) key or Knob key to select the GPIB option. 4. Press the F4 (NEXT) key repeatedly or scroll the Knob key to move to the GPIB - Address field. 5. Use the Left/Right keys to move the cursor followed by scrolling Knob key or pressing +/- keys to define GPIB...

  • Page 216: Activate Ethernet Interface

    GDM-906X Series User Manual 6. Press the F5 (Enter) key or Knob key again to confirm the input digit for GPIB Address. 7. Connect the GPIB cable to the rear panel optional communication port after the GPIB card has been installed. Pin Signal Pin Signal GPIB Pin...
  • Page 217 REMOTE CONTROL 2. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the LAN option. 3. Press the F5 (Enter) key or Knob key to select the LAN option. 4.

  • Page 218: Reboot Lan Setup

    GDM-906X Series User Manual Reboot LAN Setup To reboot is used to reset the Ethernet configuration Background when new settings have been made. When the Lan Setup settings have been edited, reboot to validate the changes and reset the Ethernet to the new configuration settings. New Ethernet configuration settings are only updated after the GDM-906X has been reset.

  • Page 219: Configure Ethernet Ip

    REMOTE CONTROL 2. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the ON option. 3. Press the F5 (Enter) key or Knob key to select the DHCP ON option. Configure Ethernet IP The GDM-906X supports manually setting of the IP Background...
  • Page 220 GDM-906X Series User Manual 2. Press the F4 (NEXT) key repeatedly or scroll the Knob key to move to the IP Address Setup – IP Address field. 3. Use the Left/Right keys to move the cursor followed by scrolling Knob key or pressing +/- keys to define IP Address.
  • Page 221 REMOTE CONTROL 4. Press the F5 (Enter) key or Knob key to confirm the input digit for IP1 Address. And the cursor will automatically jump to next groups. 5. Repeat the steps 3 to 4 for IP2, IP3 and IP4. The IP address is divided in 4 groups;...
  • Page 222 GDM-906X Series User Manual 8. Press the F5 (Enter) key or Knob key again to confirm the input digit for S1. And the cursor will automatically jump to next groups. 9. Repeat steps 7 to 8 for S2, S3 and S4. The Subnet is divided in 4 groups;...
  • Page 223 REMOTE CONTROL 12. Press the F5 (Enter) key or Knob key to confirm the input digit for G1. And the cursor will automatically jump to next groups. 13. Repeat steps 11 to 12 for G2, G3 and G4. The Gateway is divided in 4 groups; G1:G2:G3:G4. NOTE DNS1 14.
  • Page 224 GDM-906X Series User Manual 16. Press the F5 (Enter) key or Knob key again to confirm the input digit for D11. And the cursor will automatically jump to next groups. 17. Repeat steps 15 to 16 for D12, D13 and D14. The Gateway is divided in 4 groups;...

  • Page 225: Configure Protocol

    REMOTE CONTROL 20. Press the F5 (Enter) key or Knob key again to confirm the input digit for D21. And the cursor will automatically jump to next groups. 21. Repeat steps 20 to 21 for D22, D23 and D24. The Gateway is divided in 4 groups; NOTE D21:D22:D23:D24.
  • Page 226 GDM-906X Series User Manual 3. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the ON option. 4. Press the F5 (Enter) key or Knob key to confirm the Web ON option.
  • Page 227 REMOTE CONTROL 6. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the ON option. 7. Press the F5 (Enter) key or Knob key to confirm the Telnet ON option. 8.
  • Page 228 GDM-906X Series User Manual 9. Use the Left/Right keys to move the cursor followed by scrolling Knob key or pressing +/- keys to define Telnet Port. Also, you can press Number keys to directly input a specific digit. 10. Press the F5 (Enter) key or Knob key to confirm the input digit for Telnet Port.
  • Page 229 REMOTE CONTROL 12. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the ON option. 13. Press the F5 (Enter) key or Knob key again to confirm the Telnet ECHO ON option. 14.
  • Page 230 GDM-906X Series User Manual 15. Press the F5 (Enter) key or Knob key followed by scrolling Knob key or pressing +/- keys to land on the ON option. 16. Press the F5 (Enter) key or Knob key again to confirm the TCP ON option 17.
  • Page 231 REMOTE CONTROL 18. Use the Left/Right keys to move the cursor followed by scrolling Knob key or pressing +/- keys to define TCP Port. Also, you can press Number keys to directly input a specific digit. Range 1024~65535(Default = 3001) 19.

  • Page 232: Remote Terminal Session (Telnet / Tcp)

    GDM-906X Series User Manual Remote Terminal Session (Telnet / TCP) A terminal application can be used to remotely control Background the GDM-906X via the Telnet or TCP protocol. Operation 1. Establish a connection via the Ethernet port. 2. Open a terminal program such as Hyper Terminal and enter the IP address and port number of the GDM-906X.

  • Page 233: Web Control Interface

    REMOTE CONTROL Web Control Interface The web control interface is accessible with the standard Ethernet port. The web control interface allows remote access over LAN using a Java-enabled web browser (Java only applicable to Internet Explorer). The web control interface allows a web browser to modify parameter settings, remotely operate, control and monitor the GDM-9060/9061.
  • Page 234 GDM-906X Series User Manual 2. The control page appears, a dialog box will appear prompting for a password. Input the password (default password: 12345678) if Lan password has been enabled previously. 3. Setting the basic operations and monitor Step 2-1 - measurement readings, press apply button to enable Configuration the control settings when parameters have changed.
  • Page 235 REMOTE CONTROL 5. Also, to save and load the multiple settings of Step 2-3 - parameters are available. Save / Load 6. Several graphic display modes are available. To Step 2-4 - change different display modes, press the “Apply” Graphic button followed by clicking the “Get Picture”...
  • Page 236 GDM-906X Series User Manual The current Ethernet settings can be viewed and Step 3 - modified from the web control interface. View and Modify LAN Configuration 1. To edit or view the current configuration settings, click on the View & Modify Configuration icon.
  • Page 237 REMOTE CONTROL...

  • Page 238: Command Syntax

    GDM-906X Series User Manual 3. The View & Modify Configuration page allows you to:  View the instrument name, firmware revision of the Ethernet card, IP address and MAC address.  Set the IP address to DHCP or static.  Configure the module host name and the parameters of TCP &...
  • Page 239 REMOTE CONTROL Query A query is a simple or compound command followed by a question mark (?). A parameter (data) is returned. Example CONFigure:RANGe? Commands and queries have two different forms, long and Command short. The command syntax is written with the short form of Forms the command in capitals and the remainder (long form) in lower case.
  • Page 240 GDM-906X Series User Manual <NR3> floating point with exponent 4.5e-1, 8.25e+1 <NRf> any of NR1, 2, 3 1, 1.5, 4.5e-1 [MIN] For commands, this will set the setting to the (Optional lowest value. This parameter can be used in parameter) place of any numerical parameter where indicated.

  • Page 241: Command Set

    REMOTE CONTROL Command Set ABORt ....................... 256 FETCh[X]? ....................256 HCOPy:SDUMp:DATA? ................256 INITiate[:IMMediate] ................257 R? [<reading_number>] ................258 READ? ....................... 258 VAL? ......................258 VAL1? ......................259 VAL2? ......................259 ROUTe:TERMinate? ................. 259 TIME:SYNC:SERVer ................. 259 TIME:SYNC:SERVer? ................259 CALCulate:CLEar[:IMMediate] ..............
  • Page 242 GDM-906X Series User Manual CALCulate:LIMit:DATA? ................261 CALCulate:LIMit:LOWer[:DATA] ............... 262 CALCulate:LIMit:LOWer[:DATA]? ............. 262 CALCulate:LIMit:UPPer[:DATA] ..............262 CALCulate:LIMit:UPPer[:DATA]? .............. 262 CALCulate:LIMit[:STATe] ................262 CALCulate:LIMit[:STATe]? ................. 262 CALCulate:DB:REFerence ................. 262 CALCulate:DB:REFerence? ............... 262 CALCulate:DB:REFerence:METHod ............262 CALCulate:DB:REFerence:METHod? ............263 CALCulate:DBM:REFerence ..............263 CALCulate:DBM:REFerence? ..............
  • Page 243 REMOTE CONTROL CALCulate:TRANsform:HISTogram[:STATe]? .......... 266 CONFigure? ..................... 266 CONFigure[:VOLTage]:DC ............... 266 CONFigure[:VOLTage][:DC]:RATio ............267 CONFigure[:VOLTage]:AC ................ 267 CONFigure:CURRent[:DC] ............... 267 CONFigure:CURRent:AC ................. 267 CONFigure:RESistance ................268 CONFigure:FRESistance ................268 CONFigure:FREQuency ................268 CONFigure:PERiod .................. 268 CONFigure:CAPacitance ................268 CONFigure:CONTinuity ................269 CONFigure:DIODe ..................
  • Page 244 GDM-906X Series User Manual MEASure[:VOLTage]:DC? ................. 274 MEASure[:VOLTage][:DC]:RATio? ............. 274 MEASure[:VOLTage]:AC? ................274 MEASure:CURRent[:DC]? ................. 274 MEASure:CURRent:AC? ................275 MEASure:RESistance? ................275 MEASure:FRESistance? ................275 MEASure:FREQuency? ................275 MEASure:PERiod? ..................275 MEASure:CAPacitance ................276 MEASure:CONTinuity? ................276 MEASure:DIODe? ..................276 MEASure:TEMPerature? ................
  • Page 245 REMOTE CONTROL [SENSe:]CAPacitance:RANGe? ..............280 [SENSe:]CAPacitance:RANGe:AUTO............281 [SENSe:]CAPacitance:RANGe:AUTO? ............. 281 [SENSe:]CONTinuity:NPLCycles .............. 281 [SENSe:]CONTinuity:NPLCycles? ............281 [SENSe:]CONTinuity:RESolution ............. 281 [SENSe:]CONTinuity:RESolution? ............281 [SENSe:]CONTinuity:THReshold............. 281 [SENSe:]CONTinuity:THReshold? ............281 [SENSe:]CONTinuity:TRIGger:DELay ............282 [SENSe:]CONTinuity:TRIGger:DELay? ............ 282 [SENSe:]CONTinuity:ZERO:AUTO ............282 [SENSe:]CONTinuity:ZERO:AUTO? ............282 [SENSe:]DIODe:NPLCycles..............282 [SENSe:]DIODe:NPLCycles? ..............
  • Page 246 GDM-906X Series User Manual [SENSe:]VOLTage[:DC]:TRIGger:DELay?..........285 [SENSe:]VOLTage[:DC]:ZERO:AUTO ............285 [SENSe:]VOLTage[:DC]:ZERO:AUTO?............285 [SENSe:]VOLTage:AC:BANDwidth ............285 [SENSe:]VOLTage:AC:BANDwidth? ............285 [SENSe:]VOLTage:AC:NULL[:STATe] ............286 [SENSe:]VOLTage:AC:NULL[:STATe]? ............286 [SENSe:]VOLTage:AC:NULL:VALue ............286 [SENSe:]VOLTage:AC:NULL:VALue? ............286 [SENSe:]VOLTage:AC:NULL:VALue:AUTO ..........286 [SENSe:]VOLTage:AC:NULL:VALue:AUTO? ..........286 [SENSe:]VOLTage:AC:RANGe ..............286 [SENSe:]VOLTage:AC:RANGe? ..............286 [SENSe:]VOLTage:AC:RANGe:AUTO ............
  • Page 247 REMOTE CONTROL [SENSe:]CURRent:AC:BANDwidth? ............289 [SENSe:]CURRent:AC:NULL[:STATe] ............289 [SENSe:]CURRent:AC:NULL[:STATe]? ............289 [SENSe:]CURRent:AC:NULL:VALue ............289 [SENSe:]CURRent:AC:NULL:VALue? ............290 [SENSe:]CURRent:AC:NULL:VALue:AUTO ..........290 [SENSe:]CURRent:AC:NULL:VALue:AUTO? ..........290 [SENSe:]CURRent:AC:RANGe ..............290 [SENSe:]CURRent:AC:RANGe? ..............290 [SENSe:]CURRent:AC:RANGe:AUTO ............290 [SENSe:]CURRent:AC:RANGe:AUTO?............. 290 [SENSe:]CURRent:AC:TERMinals ............290 [SENSe:]CURRent:AC:TERMinals? ............290 [SENSe:]CURRent:AC:TRIGger:DELay .............
  • Page 248 GDM-906X Series User Manual [SENSe:]FRESistance:NULL:VALue? ............293 [SENSe:]FRESistance:NULL:VALue:AUTO ..........294 [SENSe:]FRESistance:NULL:VALue:AUTO? ..........294 [SENSe:]FRESistance:RANGe ..............294 [SENSe:]FRESistance:RANGe? ..............294 [SENSe:]FRESistance:RANGe:AUTO ............294 [SENSe:]FRESistance:RANGe:AUTO? ............. 294 [SENSe:]FRESistance:RESolution ............294 [SENSe:]FRESistance:RESolution? ............294 [SENSe:]FRESistance:TRIGger:DELay............294 [SENSe:]FRESistance:TRIGger:DELay? ............ 295 [SENSe:]FRESistance:ZERO:AUTO ............295 [SENSe:]FRESistance:ZERO:AUTO? ............295 [SENSe:]FREQuency:APERture ..............
  • Page 249 REMOTE CONTROL [SENSe:]PERiod:CURRent:RANGe? ............298 [SENSe:]PERiod:CURRent:RANGe:AUTO ..........298 [SENSe:]PERiod:CURRent:RANGe:AUTO? ..........298 [SENSe:]PERiod:INPutjack ............... 298 [SENSe:]PERiod:INPutjack? ..............298 [SENSe:]PERiod:NULL[:STATe] ..............298 [SENSe:]PERiod:NULL[:STATe]? ............... 298 [SENSe:]PERiod:NULL:VALue ..............298 [SENSe:]PERiod:NULL:VALue? ..............298 [SENSe:]PERiod:NULL:VALue:AUTO ............299 [SENSe:]PERiod:NULL:VALue:AUTO? ............. 299 [SENSe:]PERiod:TIMeout:AUTO ............. 299 [SENSe:]PERiod:TIMeout:AUTO? ............299 [SENSe:]PERiod:TRIGger:DELay ..............
  • Page 250 GDM-906X Series User Manual [SENSe:]TEMPerature:RJUNction:SIMulated:AUTO? ......302 [SENSe:]TEMPerature:RJUNction:SIMulated:AUTO:OFFSet ....302 [SENSe:]TEMPerature:RJUNction:SIMulated:AUTO:OFFSet? ....302 [SENSe:]TEMPerature:RJUNction:SIMulated:AUTO:TEMPerature? ..302 [SENSe:]TEMPerature:TCOuple:TYPE ............. 302 [SENSe:]TEMPerature:TCOuple:TYPE? ........... 303 [SENSe:]TEMPerature:RTD:ALPHa............303 [SENSe:]TEMPerature:RTD:ALPHa? ............303 [SENSe:]TEMPerature:RTD:BETA ............303 [SENSe:]TEMPerature:RTD:BETA? ............303 [SENSe:]TEMPerature:RTD:DELTa ............303 [SENSe:]TEMPerature:RTD:DELTa? ............303 [SENSe:]TEMPerature:RTD:RESistance[:REFerence] ....... 303 [SENSe:]TEMPerature:RTD:RESistance[:REFerence]? ......
  • Page 251 REMOTE CONTROL [SENSe:]TEMPerature:FTHermistor:CPARameter ........306 [SENSe:]TEMPerature:FTHermistor:CPARameter? ........ 306 [SENSe:]TEMPerature:FTHermistor:TYPE ..........306 [SENSe:]TEMPerature:FTHermistor:TYPE? ..........306 SAMPle:COUNt ..................307 SAMPle:COUNt? ..................307 TRIGger:COUNt ..................307 TRIGger:COUNt? ..................307 TRIGger:DELay ..................307 TRIGger:DELay? ..................307 TRIGger:DELay:AUTO................308 TRIGger:DELay:AUTO? ................308 TRIGger:SLOPe ..................308 TRIGger:SLOPe? ..................
  • Page 252 GDM-906X Series User Manual SYSTem:LABel ..................313 SYSTem:LABel?..................313 SYSTem:LFRequency? ................313 SYSTem:OUTPut:EOF ................313 SYSTem:OUTPut:EOF? ................313 SYSTem:OUTPut:SEParate ............... 314 SYSTem:OUTPut:SEParate? ..............314 SYSTem:PARameter:LOAD ..............314 SYSTem:PARameter:LOAD?..............314 SYSTem:PARameter:SAVE ................ 314 SYSTem:PRESet ..................314 SYSTem:SCPi:MODE ................314 SYSTem:SCPi:MODE? ................315 SYSTem:SERial? ..................
  • Page 253 REMOTE CONTROL SYSTem:COMMunicate:LAN:TELNet:ENABle ........317 SYSTem:COMMunicate:LAN:TELNet:ENABle? ........317 SYSTem:COMMunicate:LAN:TELNet:PORT ........... 318 SYSTem:COMMunicate:LAN:TELNet:PORT? ......... 318 SYSTem:COMMunicate:LAN:TELNet:PROMpt ........318 SYSTem:COMMunicate:LAN:TELNet:PROMpt? ........318 SYSTem:COMMunicate:LAN:TELNet:TIMeout ........318 SYSTem:COMMunicate:LAN:TELNet:TIMeout? ........318 SYSTem:COMMunicate:LAN:TELNet:WMESsage ........318 SYSTem:COMMunicate:LAN:TELNet:WMESsage? ........ 318 SYSTem:COMMunicate:LAN:TCP:ENABle ..........318 SYSTem:COMMunicate:LAN:TCP:ENABle? ..........319 SYSTem:COMMunicate:LAN:TCP:PORT ..........319 SYSTem:COMMunicate:LAN:TCP:PORT? ..........
  • Page 254 GDM-906X Series User Manual *PSC ......................324 *PSC? ......................325 *RCL ......................325 *RST ......................325 *SAV ......................325 *SRE? ......................325 *SRE ......................325 *STB? ......................325 *TRG ......................326 *WAI ......................326...
  • Page 255 REMOTE CONTROL Speed & NPLC & Resolution Relation Table Speed 20/s 60(50)/s 100/s 400/s 1.2k/s 2.4k/s 4.8k/s 7.2k/s 10k/s NPLC(16.6ms) 0.15 0.05 0.025 0.0125 0.0083 0.006 Resolution(Range * PPM) Range\PPM 1.0E-15 2.0E-15 3.0E-15 1.0E-14 2.0E-14 5.0E-14 1.0E-13 2.0E-13 4.0E-13 5.0E-13 1.0E-14 2.0E-14 3.0E-14...
  • Page 256 GDM-906X Series User Manual Other Commands ABORt Aborts a measurement in progress, returning the instrument to the trigger idle state. ●Use this to abort a measurement when the instrument is waiting for a trigger, or for aborting a long measurement or series of measurements. FETCh[X]? Waits for measurements to complete and copies all available measurements to the instrument's output buffer.
  • Page 257 REMOTE CONTROL INITiate[:IMMediate] Changes the state of the triggering system from "idle" to "wait-for-trigger", and clears the previous set of measurements from reading memory. Measurements begin when the specified trigger conditions are satisfied following the receipt of INIT. Example: CONF:VOLT:DC 10 SAMP:COUN 5 TRIG:SOUR BUS INIT...
  • Page 258 GDM-906X Series User Manual R? [<reading_number>] Reads and erases measurements from reading memory up to the specified <reading_number>. The measurements are read and erased from the reading memory starting with the oldest measurement first. Ex:SAMP:COUN 5 INIT R? 4 Returns: #263-1.12816521E-04,-1.13148354E-04,-1.13485152E-04,-1.13365632E-04 “#2”...
  • Page 259 REMOTE CONTROL VAL1? Returns the 1 display value. Example: SAMP:COUN 5 VAL1? >+0.33452387E-4 >+0.32897125E -4 > etc, for 5 counts. Queries 5 counts of stored samples from the 1 display. VAL2? Returns the 2 display value. Example: SAMP:COUN 5 VAL2? >+0.38954687E -4 >+0.32764551E -4 >...
  • Page 260 GDM-906X Series User Manual CALCulate:FUNCtion Sets the Advanced function. Parameter: OFF | HOLD | DB | DBM | LIM | MXB | INV | REF Example: CALC:FUNC DB Sets the Advanced function to DB mode CALCulate:FUNCtion? Returns the current Advanced function. Return parameter: OFF | HOLD | DB | DBM | LIM | MXB | INV | REF CALCulate:HOLD:REFerence Sets the percentage threshold for the Hold function.
  • Page 261 REMOTE CONTROL CALCulate:AVERage:MAXimum? Returns the maximum value. Return parameter: <NRf> CALCulate:AVERage:MINimum? Returns the minimum value. Return parameter: <NRf> CALCulate:AVERage:PTPeak? Returns the peak to peak value (max value – min value). Return parameter: <NRf> CALCulate:AVERage:SDEViation? Returns the Standard Deviation value. Return parameter: <NRf> CALCulate:AVERage[:STATe] Turns the statistic calculation function on/off.
  • Page 262 GDM-906X Series User Manual CALCulate:LIMit:LOWer[:DATA] Sets the lower limit value of the compare function. Parameter: <NRf> (-1.2E+08 ~ 1.2E+08) | MIN | MAX | DEF Example: CALC:LIM:LOW:DATA -1.0 Sets the lower limit to -1.0 CALCulate:LIMit:LOWer[:DATA]? Returns the lower limit value of the compare function. Return parameter: <NRf>...
  • Page 263 REMOTE CONTROL CALCulate:DB:REFerence:METHod? Returns the unit of reference value from the dB function. Return parameter: Voltage | dBm CALCulate:DBM:REFerence Sets the resistance value for the dBm function. Parameter: <NR1> (2, 4, 8, 16, 50, 75, 93, 110, 124, 125, 135, 150, 250, 300, 500, 600, 800, 900, 1000, 1200, 8000) | MIN | MAX | DEF Example: CALC:DBM:REF MAX Sets the resistance value for dBm measurements to the maximum allowed.
  • Page 264 GDM-906X Series User Manual CALCulate:MATH:PERCent Sets the reference value for the Percent function. Parameter: <NRf> | MIN | MAX | DEF Example: CALC:MATH:PERC MAX Sets the reference value for the Percent function to the maximum. CALCulate:MATH:PERCent? Returns the reference value setting for the Percent function. Return parameter: <NRf>...
  • Page 265 REMOTE CONTROL CALCulate:TRANsform:HISTogram:COUNt? Returns the total counts of histogram function. Return parameter: <NR1>, Ex: +125 CALCulate:TRANsform:HISTogram:DATA? Returns all of the histogram data. Return parameter: low than lower limit count, histogram data and high than upper limit count. <1> <2> <3> Example: SAMP:COUN 5 CALC:TRAN:HIST:POIN 100 CALC:TRAN:HIST:STAT ON...
  • Page 266 GDM-906X Series User Manual CALCulate:TRANsform:HISTogram:RANGe:LOWer? Returns the lower range value of the histogram function. Return parameter: <NRf> CALCulate:TRANsform:HISTogram:RANGe:UPPer Sets the upper range value of the histogram function. Parameter: <NRf> (-1.0E+15 ~ 1.0E+15) | MIN | MAX | DEF Example: CALC:TRAN:HIST:RANG:UPP 1.0 Sets the upper range value to 1.0 CALCulate:TRANsform:HISTogram:RANGe:UPPer? Returns the upper range value of the histogram function.
  • Page 267 REMOTE CONTROL CONFigure[:VOLTage][:DC]:RATio Sets measurement to DCV ratio mode on the 1 display and specifies range/resolution. Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF), Resolution(<NRf> | MIN | MAX | DEF)] Example: CONF:VOLT:DC:RAT 1 Sets the DC voltage range to 1V using the default resolution. ●Autoranging (AUTO or DEFault), will generate an error if you specify a <resolution>...
  • Page 268 GDM-906X Series User Manual CONFigure:RESistance Sets measurement to 2-wire Resistance on the 1 display and specifies range/resolution. Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF),Resolution(<NRf> | MIN | MAX | DEF)] Example: CONF:RES 10e3,MIN Sets the measurement mode to 2-wire Resistance with a 10k range at the Ω...
  • Page 269 REMOTE CONTROL CONFigure:CONTinuity Sets measurement to Continuity on the 1 display. Parameter: [None] CONFigure:DIODe Sets measurement to Diode on the 1 display. Parameter: [None] CONFigure:TEMPerature Sets measurement to Temperature on the 1 display and specifies type/resolution. Parameter: [None] | [<Probe type>, <Type>, 1, Resolution(<NRf> | MIN | MAX | DEF)] <Probe type>:TCOuple, RTD, FRTD, THERmistor, FTHermistor.
  • Page 270 GDM-906X Series User Manual CONFigure2[:VOLTage]:AC Sets measurement to AC Voltage on the 2 display and specifies range. Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF)] Example: CONF2:VOLT:AC Sets the measurement mode to AC voltage on the 2 display.
  • Page 271 REMOTE CONTROL DATA[X]:LAST? Returns the last measurement value with units taken. You can execute this query at any time, even during a series of measurements. X = null or 1 indicate 1 display value, X = 2 indicate 2 display value Return parameter: <NRf>, Ex: +0.15900000E+01 VDC ●If no data is available, +9.91000000E+37 (Not a Number) is returned with units...
  • Page 272 GDM-906X Series User Manual DATA:REMove? <reading_number>,[WAIT] Reads and erases measurement values from reading memory up to the specified <reading_number>. The measurement values are read and erased from the reading memory starting with the oldest measurement first. Ex:SAMP:COUN 10 INIT DATA :REM? 4 Returns: -1.12816521E-04,-1.13148354E-04,-1.13485152E-04,-1.13365632E-04 ●If you do not specify a value for <reading_number>, +9.91000000E+37...
  • Page 273 REMOTE CONTROL DIGital:INTerface:DATA:SETup When the IO mode is selected for digital I/O, make use of this cammonad to set output status. Parameter: <Boolean> (0 | 1) / (OUT1, OUT2, OUT3, OUT4) Example: DIG:INT:MDOE IO DIG:INT:DATA:SET 0,1,0,1 Sets OUT1 to low, OUT2 to high, OUT3 to low, OUT4 to high, DISPlay Commands DISPlay[:STATe] Sets TFT LCD display screen on/off.
  • Page 274 GDM-906X Series User Manual MEASure Commands MEASure[:VOLTage]:DC? Returns the DC voltage measurement value on the 1 display. Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF), Resolution(<NRf> | MIN | MAX | DEF)] Example: MEAS:VOLT:DC? MIN > +6.64925206E-04 Returns the DC voltage measurement value as 0.6649 mV.
  • Page 275 REMOTE CONTROL MEASure:CURRent:AC? Returns the AC current measurement value on the 1 display. Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF)] Example: MEAS:CURR:AC? > +1.46445157E-07 Returns the AC current measurement value as 0.000146 mA. MEASure:RESistance? Returns the 2-wire resistance measurement value on the 1 display.
  • Page 276 GDM-906X Series User Manual MEASure:CAPacitance Returns the capcitance measurement value on the 1 display Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF)] Example: MEAS:CAP? Returns the capcitance measurement value. MEASure:CONTinuity? Returns the continuity measurement value on the 1 display.
  • Page 277 REMOTE CONTROL MEASure2[:VOLTage]:DC? Returns the DC voltage measurement value on the 2 display. Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF), Resolution(<NRf> | MIN | MAX | DEF)] Example: MEAS2:VOLT:DC? 1,MIN > +4.88519457E-04 Returns the DC voltage measurement value as 0.000488 V. ●Autoranging (AUTO or DEFault), will generate an error if you specify a <resolution>...
  • Page 278 GDM-906X Series User Manual MEASure2:FREQuency? Returns the frequency measurement value on the 2 display. Parameter: [None] | [Range(<NRf> | AUTO | MIN | MAX | DEF)] Example: MEAS2:FREQ? > +0.21501429E+05 Returns the frequency measurement value as 21.5kHz. MEASure2:PERiod? Returns the period measurement value on the 2 display.
  • Page 279 REMOTE CONTROL [SENSe:]DIGital:SHIFt? Returns the digital shift function status. Return parameter: 0 | 1 ,1=AUTO, 0=User selected [SENSe:]UNIT Sets the temperature unit. Parameter: C | F | K Example: SENS:UNIT C Sets the temperature unit to ˚C. [SENSe:]UNIT? Returns the temperature unit. Return parameter: C | F | K SENSe AVERage Commands [SENSe:]AVERage:COUNt[X]...
  • Page 280 GDM-906X Series User Manual [SENSe:]AVERage:TCONtrol[X]? Returns the digital filter type. Return parameter: MOV (moving) | REP (repeating) [SENSe:]AVERage:WINDow[X] Selects a digital filter window, which X = 1 indicate 1 display, X = 2 indicate display. Parameters: 0.01 | 0.1 | 1 | 10 | NONE Example: SENS:AVER:WIND 0.1 Sets 1 display digital filter window to 0.1%...
  • Page 281 REMOTE CONTROL [SENSe:]CAPacitance:RANGe:AUTO Sets the Capacitance Auto-range on, off or once only. Parameter: 0 | 1 | ON | OFF | ONCE Example: SENS:CAP:RANG:AUTO ON Turns Auto-range on for capacitance measurements. [SENSe:]CAPacitance:RANGe:AUTO? Returns the capacitance Auto-range settings. Return parameter: 0 | 1, 0=OFF, 1=ON SENSe CONTinuity Commands [SENSe:]CONTinuity:NPLCycles Sets the integration time for Continuity measurement in PLCs (power line...
  • Page 282 GDM-906X Series User Manual [SENSe:]CONTinuity:TRIGger:DELay Sets the trigger delay that minimum step is microseconds of Continuity measurement. Parameter: <NRf>(0 ~ 3600 s) | MIN | MAX | DEF Example: SENS:CONT:TRIG:DEL 0.0001 Sets the trigger delay time to 100us of Continuity measurement. [SENSe:]CONTinuity:TRIGger:DELay? Returns the trigger delay time in seconds of Continuity measurement.
  • Page 283 REMOTE CONTROL [SENSe:]DIODe:TRIGger:DELay Sets the trigger delay that minimum step is microseconds of Diode measurement. Parameter: <NRf>(0 ~ 3600 s) | MIN | MAX | DEF Example: SENS:DIOD:TRIG:DEL 0.5 Sets the trigger delay time to 500ms of Diode measurement. [SENSe:]DIODe:TRIGger:DELay? Returns the trigger delay time in seconds of Diode measurement.
  • Page 284 GDM-906X Series User Manual [SENSe:]VOLTage[:DC]:NULL[:STATe] Sets the relative function on/off for DC Voltage measurement. Parameter: 0 | 1 | ON | OFF Example: SENS:VOLT:DC:NULL:STAT OFF Turns the relative function off for DC Voltage measurement. [SENSe:]VOLTage[:DC]:NULL[:STATe]? Returns the relative function state of DC Voltage measurement. Return parameter: 0 | 1, 0=OFF, 1=ON [SENSe:]VOLTage[:DC]:NULL:VALue Sets the relative value for DC Voltage measurement.
  • Page 285 REMOTE CONTROL [SENSe:]VOLTage[:DC:]RANGe:AUTO? Returns the DC voltage Auto-range settings. Return parameter: 0 | 1, 0=OFF, 1=ON [SENSe:]VOLTage[:DC]:RESolution Sets the DC Voltage measurement resolution. The resolution depends on the rate and range settings. Parameter: Resolution(<NRf> | MIN | MAX | DEF) Example: SENS:VOLT:DC:RES MAX Sets the DC Voltage resolution to MAX.
  • Page 286 GDM-906X Series User Manual [SENSe:]VOLTage:AC:NULL[:STATe] Sets the relative function on/off for AC Voltage measurement. Parameter: 0 | 1 | ON | OFF Example: SENS:VOLT:AC:NULL:STAT ON Turns the relative function on for AC Voltage measurements. [SENSe:]VOLTage:AC:NULL[:STATe]? Returns the relative function state of AC Voltage measurement. Return parameter: 0 | 1, 0=OFF, 1=ON [SENSe:]VOLTage:AC:NULL:VALue Sets the relative value for AC Voltage measurement.
  • Page 287 REMOTE CONTROL [SENSe:]VOLTage:AC:TRIGger:DELay Sets the trigger delay time that minimum step is microseconds of AC Voltage measurement. Parameter: <NRf>(0 ~ 3600 s) | MIN | MAX | DEF Example: SENS:VOLT:AC:TRIG:DEL 0.4 Sets the trigger delay time to 400ms of AC Voltage measurement. [SENSe:]VOLTage:AC:TRIGger:DELay? Returns the trigger delay time in seconds of AC Voltage measurement.
  • Page 288 GDM-906X Series User Manual [SENSe:]CURRent[:DC]:NULL:VALue:AUTO Sets the relative value auto on/off for DC Current measurement. Parameter: 0 | 1 | ON | OFF Example: SENS:CURR:DC:NULL:STAT ON SENS:CURR:DC:NULL:VAL:AUTO ON The unit automatically sets the 1st count of measurement as null value. [SENSe:]CURRent[:DC]:NULL:VALueAUTO? Returns the null value auto state of DC Current measurement.
  • Page 289 REMOTE CONTROL [SENSe:]CURRent[:DC]:TRIGger:DELay Sets the trigger delay time that minimum step is microseconds of DC Current measurement. Parameter: <NRf>(0 ~ 3600 s) | MIN | MAX | DEF Example: SENS:CURR:DC:TRIG:DEL 2e-4 Sets the trigger delay time to 200us of DC Current measurement. [SENSe:]CURRent[:DC]:TRIGger:DELay? Returns the trigger delay time in seconds of DC Current measurement.
  • Page 290 GDM-906X Series User Manual [SENSe:]CURRent:AC:NULL:VALue? Returns the current relative value of AC Current measurement. [SENSe:]CURRent:AC:NULL:VALue:AUTO Sets the relative value auto on/off for AC Current measurement. Parameter: 0 | 1 | ON | OFF Example: SENS:CURR:AC:NULL:STAT ON SENS:CURR:AC:NULL:VAL:AUTO ON The unit automatically sets the 1st count of measurement as null value. [SENSe:]CURRent:AC:NULL:VALue:AUTO? Returns the null value auto state of AC Current measurement.
  • Page 291 REMOTE CONTROL [SENSe:]CURRent:AC:TRIGger:DELay? Returns the trigger delay time in seconds of AC Current measurement. Return parameter: <NRf> SENSe RESistance Commands [SENSe:]RESistance:NPLCycles Sets the integration time for 2-wire resistance measurement in PLCs (power line cycles). Where one PLC is equal to 16.6 milliseconds. For any <NRf> parameter, the DMM will automatically set the PLC to the closest acceptable PLC value (0.006 | 0.0083 | 0.0125 | 0.025 | 0.05 | 0.15 | 0.6 | 1 | 3 | 12).
  • Page 292 GDM-906X Series User Manual [SENSe:]RESistance:NULL:VALue:AUTO Sets the relative value auto on/off for 2-wire resistance measurement. Parameter: 0 | 1 | ON | OFF Example: SENS:RES:NULL:STAT ON SENS:RES:NULL:VAL:AUTO OFF The unit automatically sets the 1st count of measurement as null value. [SENSe:]RESistance:NULL:VALue:AUTO? Returns the null value auto state of 2-wire resistance measurement.
  • Page 293 REMOTE CONTROL [SENSe:]RESistance:TRIGger:DELay? Returns the trigger delay time in seconds of 2-wire resistance measurement. Return parameter: <NRf> [SENSe:]RESistance:ZERO:AUTO Sets the auto zero mode to on, off or once of 2-wire resistance measurement. Parameter: 0 | 1 | ON | OFF | ONCE Example: SENS:RES:ZERO:AUTO ON Sets the auto zero to on.
  • Page 294 GDM-906X Series User Manual [SENSe:]FRESistance:NULL:VALue:AUTO Sets the relative value auto on/off for 4-wire resistance measurement. Parameter: 0 | 1 | ON | OFF Example: SENS:FRES:NULL:STAT ON SENS:FRES:NULL:VAL:AUTO ON The unit automatically sets the 1st count of measurement as null value. [SENSe:]FRESistance:NULL:VALue:AUTO? Returns the null value auto state of 4-wire resistance measurement.
  • Page 295 REMOTE CONTROL [SENSe:]FRESistance:TRIGger:DELay? Returns the trigger delay time in seconds of 4-wire resistance measurement. Return parameter: <NRf> [SENSe:]FRESistance:ZERO:AUTO Sets the auto zero mode to on, off or once of 4-wire resistance measurement. Parameter: 0 | 1 | ON | OFF | ONCE Example: SENS:FRES:ZERO:AUTO ON Sets the auto zero to on.
  • Page 296 GDM-906X Series User Manual [SENSe:]FREQuency:INPutjack Assigns an input port for the frequency function. Parameter: <NR1> (0 | 1 | 2), 0=Voltage, 1=3A, 2=10A Example: SENS:FREQ:INP 0 Sets the input jack to the Voltage input port. [SENSe:]FREQuency:INPutjack? Returns the assigned input port used for the frequency function. Return Parameter: VOLT | 3A | 10A [SENSe:]FREQuency:NULL[:STATe] Sets the relative function on/off for Frequency measurement.
  • Page 297 REMOTE CONTROL [SENSe:]FREQuency:TIMeout:AUTO? Returns the assigned timeout time used for the frequency function. Return parameter: 0 | 1, 0:timeout time = 1 second, 1:timeout time is different in according with ac filter bandwith (gate time). [SENSe:]FREQuency:TRIGger:DELay Sets the trigger delay time that minimum step is microseconds of Frequency measurement.
  • Page 298 GDM-906X Series User Manual [SENSe:]PERiod:CURRent:RANGe Sets the frequency measurement range. Parameter: Range(<NRf> | MIN | MAX | DEF) Example: SENS:PER:CURR:RANG MAX Sets the period to the maximum range. [SENSe:]PERiod:CURRent:RANGe? Returns the period measurement range. [SENSe:]PERiod:CURRent:RANGe:AUTO Sets the Period Auto-range settings on, off or once. Parameter: 0 | 1 | ON | OFF | ONCE Example: SENS:PER:CURR:RANG:AUTO OFF Turns the Auto-range setting off for period measurement.
  • Page 299 REMOTE CONTROL [SENSe:]PERiod:NULL:VALue:AUTO Sets the relative value auto on/off for Period measurement. Parameter: 0 | 1 | ON | OFF Example: SENS:PER:NULL:STAT ON SENS:PER:NULL:VAL:AUTO ON The unit automatically sets the 1st count of measurement as null value. [SENSe:]PERiod:NULL:VALue:AUTO? Returns the null value auto state of Period measurement. [SENSe:]PERiod:TIMeout:AUTO Assigns timeout time at the period measurement.
  • Page 300 GDM-906X Series User Manual [SENSe:]PERiod:VOLTage:RANGe:AUTO? Returns the Period Auto-range setting. Return parameter: 0 | 1, 0=OFF, 1=ON SENSe TEMPerature Commands [SENSe:]TEMPerature:NPLCycles Sets the integration time for Temperature measurement in PLCs (power line cycles). Where one PLC is equal to 16.6 milliseconds. For any <NRf> parameter, the DMM will automatically set the PLC to the closest acceptable PLC value (1 | 3 | 12).
  • Page 301 REMOTE CONTROL [SENSe:]TEMPerature:NULL:VALue:AUTO? Returns the null value auto state of Temperature measurement. [SENSe:]TEMPerature:RESolution Sets the Temperature measurement resolution. The resolution depends on the rate and range settings. Parameter: Resolution(<NRf> | MIN | MAX | DEF) Example: SENS:TEMP:RES MAX Sets the Temperature resolution to the maximum. [SENSe:]TEMPerature:RESolution? Returns the temperature measurement resolution.
  • Page 302 GDM-906X Series User Manual [SENSe:]TEMPerature:RJUNction:SIMulated Sets temperature simulation value of thermocouple measurement. Parameter: <NRf> (-20.00 ~ 80.00) | MIN | MAX | DEF Example: SENS:TEMP:RJUN:SIM 25.00 Sets the thermocouple junction temperature to 25˚C. [SENSe:]TEMPerature:RJUNction:SIMulated? Returns temperature simulation value of thermocouple measurement. Return parameter: <NRf>...
  • Page 303 REMOTE CONTROL [SENSe:]TEMPerature:TCOuple:TYPE? Returns the thermocouple type. Return parameter: J | K | N | R | S | T | B | E [SENSe:]TEMPerature:RTD:ALPHa Sets the 2-wire RTD Alpha coefficient. Parameter: <NRf> (0.0~9.999999) | MIN | MAX | DEF Example: SENS:TEMP:RTD:ALPH 0.00385 [SENSe:]TEMPerature:RTD:ALPHa? Returns the 2-wire RTD Alpha coefficient.
  • Page 304 GDM-906X Series User Manual [SENSe:]TEMPerature:FRTD:ALPHa Sets the 4-wire RTD Alpha coefficient. Parameter: <NRf> (0.0~9.999999) | MIN | MAX | DEF Example: SENS:TEMP:FRTD:ALPH 0.00385 [SENSe:]TEMPerature:FRTD:ALPHa? Returns the 4-wire RTD Alpha coefficient. [SENSe:]TEMPerature:FRTD:BETA Sets the 4-wire RTD Beta coefficient. Parameter: <NRf> (0.0~9.999999) | MIN | MAX | DEF Example: SENS:TEMP:FRTD:BETA 0.00495 [SENSe:]TEMPerature:FRTD:BETA? Returns the 4-wire RTD Beta coefficient.
  • Page 305 REMOTE CONTROL [SENSe:]TEMPerature:THERmistor:APARameter? Returns the 2-wire Thermistor A coefficient. [SENSe:]TEMPerature:THERmistor:BPARameter Sets the 2-wire Thermistor B coefficient. Parameter: <NRf> (0.0~9.999999) | MIN | MAX | DEF Example: SENS:TEMP:THER:BPAR 0.003425 [SENSe:]TEMPerature:THERmistor:BPARameter? Returns the 2-wire Thermistor B coefficient. [SENSe:]TEMPerature:THERmistor:CPARameter Sets the 2-wire Thermistor C coefficient. Parameter: <NRf>...
  • Page 306 GDM-906X Series User Manual [SENSe:]TEMPerature:FTHermistor:CPARameter Sets the 4-wire Thermistor C coefficient. Parameter: <NRf> (0.0~9.999999) | MIN | MAX | DEF Example: SENS:TEMP:FTH:CPAR 0.006993 [SENSe:]TEMPerature:FTHermistor:CPARameter? Returns the 4-wire Thermistor C coefficient. [SENSe:]TEMPerature:FTHermistor:TYPE Sets the 4-wire Thermistor sensor type. Parameter: Type(2.2k | 5k | 10k | USER) Ω...
  • Page 307 REMOTE CONTROL TRIGger Commands SAMPle:COUNt Sets the number of samples. Parameter: <NRf>(1.0 ~ 1000000.0) | MIN | MAX | DEF Example: TRIG:COUN 10 SAMP:COUN 10 INIT FETC? Will returns 100 measurment results. Sets the number of samples to 10. ●The total measurement counts is trigger count multiplication sample count.
  • Page 308 GDM-906X Series User Manual TRIGger:DELay:AUTO Sets the trigger delay time auto mode on/off in all of the function. Parameter: 0 | 1 | ON | OFF Example: TRIG:DEL:AUTO OFF Turns trigger delay time auto mode off. TRIGger:DELay:AUTO? Returns the trigger delay time auto mode state. Return parameter: 0 | 1, 1=ON, 0=OFF.
  • Page 309 REMOTE CONTROL TRIGger:SOURce Selects the trigger source. Parameter: IMMediate | EXTernal | BUS Example: TRIG:SOUR EXT Sets the trigger source as external trigger. IMMediate: The trigger signal is always present. When you place the instrument in the “wait-for-trigger"state, the trigger is issued immediately. Ex:SAMP:COUN 5 TRIG:SOUR IMM READ?
  • Page 310 GDM-906X Series User Manual TRIGger:SOURce? Returns current trigger source. Return parameter: IMM | EXT | BUS OUTPut:TRIGger:SLOPe Sets the output signal method after each measurement. Parameter: POSitive | NEGative Example: OUTP:TRIG:SLOP POS Sets the output signal as positive pulse after measurement. OUTPut:TRIGger:SLOPe? Returns the output signal method after measurement.
  • Page 311 REMOTE CONTROL SYSTem Related Commands SYSTem:BEEPer[:IMMediate] Makes buzzer beep once. Parameter: <None> Example: SYST:BEEP:IMM ●This function is Not affected by the state of SYST:BEEP:STAT. SYSTem:BEEPer:ERRor Sets the beeper to sound on an SCPI error. Parameter: 0 | 1 | ON | OFF Example: SYST:BEEP:ERR ON Allows the beeper to sound when an SCPI error occurs.
  • Page 312 GDM-906X Series User Manual SYSTem:BEEPer:CONTinuity:VOLume? Returns the beeper volume of Continuity function. Return parameter: SMALL | MEDIUM | LARGE SYSTem:BEEPer:HOLD:VOLume Sets the beeper volume of Hold function. Parameter: <NR1> (1 ~ 3) Example: SYST:BEEP:HOLD:VOL 2 Sets the beeper volume to medium of Hold function. SYSTem:BEEPer:HOLD:VOLume? Returns the beeper volume of Hold function.
  • Page 313 REMOTE CONTROL SYSTem:ERRor[:NEXT]? Returns the current system error, if any. SYSTem:IDNStr Sets a user-defined identification string for the *IDN? query when the SYSTem:SCPi:MODE command is set to “Compatible”. Parameter: “<manufacturer>”, “<model number>”, max length 24 characters Example: SYST:IDNS “ABCDE”, “12345” Sets the user-defined manufacturer as ABCDE and the model number as 12345.
  • Page 314 GDM-906X Series User Manual SYSTem:OUTPut:SEParate Sets the command separation character. Parameter: 0 | 1 (0=EOL, 1=,) Example: SYST:OUTP:SEP 0 Sets the command separation character as the EOL character. ●The parameters will not be saved. SYSTem:OUTPut:SEParate? Returns the command separation character. Return parameter: 0 | 1 (0=EOL, 1=,) SYSTem:PARameter:LOAD Load the system parameters from 0 of 5 memory locations.
  • Page 315 REMOTE CONTROL SYSTem:SCPi:MODE? Returns the SCPI mode. The SCPI mode is used to determine whether the *IDN? query returns the “Normal” or “Compatible” identification string . See the SYSTem:IDNStr command for details. Return parameter: NORMAL | GDM8261A | COMPATIBLE SYSTem:SERial? Returns the serial number (nine characters/numbers) SYSTem:TEMPerature? Returns the internal temperature of machine.
  • Page 316 GDM-906X Series User Manual SYSTem COMMunication Commands SYSTem:COMMunicate:GPIB:ADDRess Sets the GPIB address that is only on GPIB communication bus. Parameter: <NR1> (0 ~ 30) | MIN | MAX | DEF Example: SYST:COMM:GPIB:ADDR 15 Sets the GPIB address to 15. SYSTem:COMMunicate:GPIB:ADDRess? Returns the GPIB address.
  • Page 317 REMOTE CONTROL SYSTem:COMMunicate:LAN:HOSTname? Returns the hostname. Retrurn parameter: “<string>” SYSTem:COMMunicate:LAN:IPADdress Sets the IP address. Parameter: “<address>” Example: SYST:COMM:LAN:IPAD “192.168.31.117” Sets the IP address to 192.168.31.117. SYSTem:COMMunicate:LAN:IPADdress? Returns the IP address. Return parameter: xxx.xxx.xxx.xxx SYSTem:COMMunicate:LAN:MAC? Returns the MAC number. Return parameter: 12 Hexadecimal characters. SYSTem:COMMunicate:LAN:SMASk Sets the subnet mask address.
  • Page 318 GDM-906X Series User Manual SYSTem:COMMunicate:LAN:TELNet:PORT Sets the Telnet communication port number. Parameter: <NR1> (1024~65535) | MIN | MAX | DEF Example: SYST:COMM:LAN:TELN:PORT “3000” Sets the Telnet port to 3000. SYSTem:COMMunicate:LAN:TELNet:PORT? Returns the Telnet port number. Retrurn parameter: <NR1> SYSTem:COMMunicate:LAN:TELNet:PROMpt Sets the telnet prompt message. Parameter: “<stirng>”, max length 15 characters Example: SYST:COMM:LAN:TELN:PROM “GDM906X>”...
  • Page 319 REMOTE CONTROL SYSTem:COMMunicate:LAN:TCP:ENABle? Returns the TCP communication state. Return parameter: 0 | 1, 0=OFF, 1=ON SYSTem:COMMunicate:LAN:TCP:PORT Sets the TCP communication port number. Parameter: <NR1> (1024~65535) | MIN | MAX | DEF Example: SYST:COMM:LAN:TCP:PORT “3001” Sets the TCP port to 3001. SYSTem:COMMunicate:LAN:TCP:PORT? Returns the TCP port number.
  • Page 320 GDM-906X Series User Manual RS-232C Interface Commands SYSTem:LOCal Enables local control (front panel control) and disables remote control. SYSTem:REMote Enables remote control and disables local control (front panel control, all key are disable except Shift key(return to local control)). SYSTem:RWLock Enables remote control and disables local control (front panel control, all key are disable).
  • Page 321 REMOTE CONTROL STATus Report Commands STATus:OPERation:CONDition? Returns the total number of the Operation Condition register. Return parameter: <NR1>, Ex: +4096 ●A condition register continuously monitors the state of the instrument. Condition register bits are updated in real time; they are neither latched nor buffered.
  • Page 322 GDM-906X Series User Manual STATus:QUEStionable:CONDition? Returns the contents of the Questionable Condition register. Return parameter: <NR1>, Ex: +2 ●A condition register continuously monitors the state of the instrument. Condition register bits are updated in real time; they are neither latched nor buffered.
  • Page 323 REMOTE CONTROL IEEE 488.2 Common Commands *CLS Clears the Event Status register (Output Queue, Operation Event Status, Questionable Event Status, Standard Event Status Register) *ESE? Returns the ESER (Event Status Enable Register) contents. Example: *ESE? >130 Returns 130. ESER=10000010 *ESE Sets the ESER contents.
  • Page 324 GDM-906X Series User Manual *OPC? Returns 1 to the output buffer after all pending commands complete. Other commands cannot be executed until this command completes. Ex: CONF:VOLT:DC SAMP:COUN 100 INIT *OPC? ●The difference between *OPC and *OPC? is that*OPC sets a status bit when the operation completes,and *OPC? outputs "1"...
  • Page 325 REMOTE CONTROL *PSC? Returns power on clear status. Return parameter: <Boolean>(0|1) 0= disables, 1= enables *RCL Load the system parameters from 0 of 5 memory locations. Parameter: <NR1> (0~5) (0=Default settings, 1~5= memory number) Example: *RCL 1 Loads the memory 1 system parameters. *RST Recalls default panel setup.
  • Page 326 GDM-906X Series User Manual *TRG Manually triggers the GDM-906X if TRIG:SOUR is selected to BUS. Ex:SAMP:COUN 10 TRIG:SOUR BUS INIT *TRG FETC? *WAI Configures the instrument's output buffer to wait for all pending operations to complete before executing any additional commands over the interface.

  • Page 327: Status System

    REMOTE CONTROL Status system The diagram below is a description of the status system...
  • Page 328 GDM-906X Series User Manual The following table lists the bit definitions for the Questionable Data Register: NOTE: The overload bits are set once per INITiate command. If you clear an overload bit, it is not set again until a new INITiate is sent. Bit Name Decimal Definition...
  • Page 329 REMOTE CONTROL The following table lists the bit definitions for the Operation Data Register: Name Decimal Definition Calibrating Instrument is performing a calibration. Not Used (Reserved for future use) Not Used (Reserved for future use) Not Used (Reserved for future use) Measuring Instrument is initiated, and is making or about to make a measurement.
  • Page 330 GDM-906X Series User Manual The following table describes the Standard Event Register Bit Name Decimal Definition Operation All commands prior to and including *OPC have been Complete executed. Not Used (Reserved for future use) Query Error The instrument tried to read the output buffer but it was empty.

  • Page 331: Appendix

    APPENDIX PPENDIX Fuse Replacement ............... 332 Replace AC Source Fuse ............332 Replace 3A Input Current Fuse ..........333 Replace Internal 3A/10A Input Current Fuse ......334 Battery Replacement ............336 Factory Default Parameters ..........338 Specifications ..............341 General ..................342 GDM-9061 Section ..............

  • Page 332: Fuse Replacement

    GDM-906X Series User Manual Fuse Replacement Replace AC Source Fuse 1. Take off the power cord and Steps place dual flat-blade drivers into the grooves of fuse socket sideways followed by pinch together to pull out the fuse socket. 2. The fuse socket appears. The “240”...

  • Page 333: Replace 3A Input Current Fuse

    APPENDIX Replace 3A Input Current Fuse To make sure if 3A input current needs to be replaced, press Preparation button to set GDM-9060/9061 in Continuity mode and short circuit the HI input terminal with the 3A input current terminal. If the test result shows OPEN, either one of the fuses requires replacement.

  • Page 334: Replace Internal 3A/10A Input Current Fuse

    GDM-906X Series User Manual 3. The fuse holder comes out. Replace the fuse inserted at the end of the holder followed by rotating the fuser holder clockwise to fasten it firmly. T3.15A, 500V , 5*20mm Rating Replace Internal 3A/10A Input Current Fuse If there is still a damaged fuse in 3A input Preparation Replace internal...
  • Page 335 APPENDIX Internal Fuse Location Current Voltage Type Dimension Spec F502 1000V Fast-blo 10 x 38mm Internal 3A w type input current fuse F601 1000V Fast-blo 10 x 38mm Internal 10A w type input current fuse 1. Power off properly and disconnect all the test leads, cables Steps for including power cord.

  • Page 336: Battery Replacement

    GDM-906X Series User Manual Battery Replacement This chapter describes the procedure of battery Beforehand replacement in the front panel. Before start, it is required to let a certified and trained technician properly aware of potential risks to disassemble instrument case. Unplug power cord and disconnect external circuit from the instrument before opening the case.
  • Page 337 APPENDIX 5. Pinch the battery out off the compartment with 2 fingers. 6. Remove the battery and dispose or recycle it in accord with the applicable regulations. 7. Place the new battery (CR2032) into the compartment and beware of the polarity (+, -). “+” is way close to the metal guard plate.

  • Page 338: Factory Default Parameters

    GDM-906X Series User Manual Factory Default Parameters Measurement Parameter Factory Default Item List Save/Load for Parameter Group 1 - 5 1ST Function 1ST Range Auto Range 1ST Speed 2ND Function DCV Ratio Filter Filter Type Move Filter Count Filter Windows 0.10% Filter Method Measure...
  • Page 339 APPENDIX Simulated Method Auto Simulated junction Auto Simulated ADJ Type PT100 Thermistor Type 5kΩ Display Parameter Factory Default Item List Save/Load for Parameter Group 1 - 5 Digit Auto Display Number Bar Meter Scale Normal VScale Normal HScale Count TrendChart Recent HScale 400sec Bins...
  • Page 340 GDM-906X Series User Manual Beep Volume Medium Low Limit High Limit M Value MX+B B Value Trigger Parameter Factory Default Item List Save/Load for Parameter Group 1 - 5 Trigger Source Auto Trigger Delay Auto Trigger Signal Sample Count EOM Out Menu Parameter Factory Default...
  • Page 341 APPENDIX Languge English Interface RS232 BaudRate 115200 FlowCtrl EOL Character CR+LF Interface Separation Character Comma USB Protocol USBCDC GPIB Address Identity Default DHCP Telnet Telnet Port 3000 Telnet Echo TCP Port 3001 Only utilized parameters are listed here due to over-amount parameters. The rest of the parameters unlisted, however, can be saved and loaded as well.

  • Page 342: Specifications

    GDM-906X Series User Manual Specifications General This section lists the general characteristics of the instrument. All specifications are ensured only under a single display.  At least 1 hour of warm-up time is required before applying  these specifications. Make sure that the Sense LO terminal to Input LO is limited ...

  • Page 343: Gdm-9061 Section

    GDM-9061 Section GDM-9061 Section DC Characteristics DC Voltage 24 Hour 90 Day 1 Year Temperature Range TCAL ± 1 ˚C TCAL ± 5 ˚C TCAL ± 5 ˚C Coefficient/˚C 100.0000 mV 0.0030 + 0.0030 0.0040 + 0.0035 0.0050 + 0.0035 0.0005 + 0.0005 1.000000 V 0.0020 + 0.0006...
  • Page 344 GDM-906X Series User Manual [4 ] Diode Test 24 Hour 90 Day 1 Year Temperature Range TCAL ± 1 ˚C TCAL ± 5 ˚C TCAL ± 5 ˚C Coefficient/˚C 0.002 + 0.030 0.008 + 0.030 0.01 + 0.03 0.001 + 0.002 Accuracy Specifications: ±...
  • Page 345 GDM-9061 Section Measuring Characteristics DC Voltage Input Resistance Range 100 mV 10 MΩ or >10 GΩ Selectable 10 V 100 V 10 MΩ±1% 1000 V Input Bias 30 pA (Typ, 25°C) Input Protection 1000 V on all ranges Measurement Method: Sigma-delta A/D Converter Resistance Max.
  • Page 346 GDM-906X Series User Manual requires using "REL" function for offset on 2-wire resistance measurement. 2-wire resistance measurement will cause additional error of 0.2 Ω if REL function is not executed. [4]. This specification applies to the voltage measured from input terminal. 1 mA test current is the typical value.

  • Page 347: Ac Characteristics

    GDM-9061 Section AC Characteristics [2] [3] [4] True RMS AC Voltage Temperature 24 Hour 90 Day 1 Year Range Frequency TCAL ± 1 ˚C TCAL ± 5 ˚C TCAL ± 5 ˚C Coefficient/˚C 100 mV 1.00 + 0.03 1.00 + 0.04 1.00 + 0.04 0.100 + 0.004 3 Hz - 5 Hz...
  • Page 348 GDM-906X Series User Manual 1.10 + 0.04 1.10 + 0.04 1.10 + 0.04 0.100 + 0.006 < 0.5 V 3 Hz – 5 Hz 10 A 0.35 + 0.04 0.35 + 0.04 0.35 + 0.04 0.035 + 0.006 5 Hz – 10 Hz 10 Hz –...
  • Page 349 GDM-9061 Section Measuring Characteristics True RMS AC Measurement AC-coupled True RMS – measures the ac Voltage Method: component of input with up to 400 Vdc of bias on any range. Crest Factor Maximum 5:1 at full scale Speed Bandwidth Bandwidth 1/s (>3 Hz) 3 Hz –...
  • Page 350 GDM-906X Series User Manual Operating Characteristics Function Speed Digits AC Bandwidth 1/s (>3 Hz) 6 ½ 3 Hz – 300 kHz 5/s (>20 Hz) 5 ½ 20 Hz – 300 kHz 20/s (>200 Hz) 4 ½ 200 Hz – 300 kHz 1/s (>3 Hz) 6 ½...

  • Page 351: Frequency And Period Characteristics

    GDM-9061 Section Frequency and Period Characteristics [1] [2] Frequency Period Temperature 24 Hour 90 Day 1 Year Range Frequency TCAL ± 1 ˚C TCAL ± 5 ˚C TCAL ± 5 ˚C Coefficient/˚C 3 Hz – 5 Hz 100 mV ~ 0.100 0.100 0.100...

  • Page 352: Temperature Characteristics [11]

    GDM-906X Series User Manual Operating Characteristics Function Gate Time Digits Frequency, 6 ½ Period 100 ms 5 ½ 10 ms 4 ½ [1]. This specification will be available after 60 minutes of warm-up and sine wave input, unless stated otherwise. This specification applies to 1s gate time.

  • Page 353: Capacitance

    GDM-9061 Section Reading Rate TCO/RTD/ (Readings/sec) Thermistor Speed Digits 6 ½ 20/s 5 ½ 60/s 4 ½ [1]. The actual measurement range and test lead error will be constrained by the adopted test lead. The test lead accuracy adder covers all errors of measurements and ITS-90 temerature change.

  • Page 354: Gdm-9060 Section

    GDM-906X Series User Manual GDM-9060 Section DC Characteristics DC Voltage 24 Hour 90 Day 1 Year Temperature Range TCAL ± 1 ˚C TCAL ± 5 ˚C TCAL ± 5 ˚C Coefficient/˚C 100.0000 mV 0.0040 + 0.0060 0.0070 + 0.0065 0.0090 + 0.0065 0.0005 + 0.0005 1.000000 V 0.0030 + 0.0009...
  • Page 355 GDM-9060 Section Diode Test 24 Hour 90 Day 1 Year Temperature Range TCAL ± 1 ˚C TCAL ± 5 ˚C TCAL ± 5 ˚C Coefficient/˚C 0.011 + 0.030 0.014 + 0.030 0.0010 + 0.0020 0.003 + 0.030 Accuracy Specifications: ± ( % of reading + % of range ) DCV Ratio Accuracy Specification: ±...
  • Page 356 GDM-906X Series User Manual Measuring Characteristics DC Voltage Input Resistance Range 100 mV 10 MΩ or >10 GΩ Selectable 10 V 100 V 10 MΩ±1% 1000 V Input Bias 30 pA (Typ, 25 °C) Input Protection 1000 V on all ranges Measurement Method: Sigma-delta A/D Converter Resistance Max.
  • Page 357 GDM-9060 Section measurement. 2-wire resistance measurement will cause additional error of 0.2 Ω if REL function is not executed. [4]. This specification applies to the voltage measured from input terminal. 1 mA test current is the typical value. The change of current source leads to the variation in buck of diode junction.

  • Page 358: Ac Characteristics

    GDM-906X Series User Manual AC Characteristics [2] [3] [4] True RMS AC Voltage 24 Hour 90 Day 1 Year Temperature Range Frequency TCAL ± 1 ˚C TCAL ± 5 ˚C TCAL ± 5 ˚C Coefficient/˚C 100 mV 3 Hz – 5 Hz 1.00 + 0.03 1.00 + 0.04 1.00 + 0.04...
  • Page 359 GDM-9060 Section Additional Crest Factor Errors (non -sine wave) Crest Factor Error (% of reading) 0.05% 0.15% 0.30% 0.40% Additional Low Frequency Errors (% of reading) Speed Frequency 1/s (>3 Hz) 5/s (>20 Hz) 20/s (>200 Hz) 10 Hz~20 Hz 0.74 20 Hz~40 Hz 0.22...
  • Page 360 GDM-906X Series User Manual Measuring Characteristics True RMS AC Measurement AC-coupled True RMS – measures the ac Voltage Method: component of input with up to 400 Vdc of bias on any range. Crest Factor Maximum 5:1 at full scale Speed Bandwidth Bandwidth 1/s (>3 Hz)

  • Page 361: Frequency And Period Characteristics

    GDM-9060 Section Operating Characteristics Function Speed Digits AC Bandwidth 1/s (>3 Hz) 6 ½ 3 Hz – 300 kHz 5/s (>20 Hz) 5 ½ 20 Hz – 300 kHz 20/s (>200 Hz) 4 ½ 200 Hz – 300 kHz 1/s (>3 Hz) 6 ½...

  • Page 362: Temperature Characteristics [11]

    GDM-906X Series User Manual Considerations or period of an input following a dc offset voltage change. The input blocking RC time constant must be allowed to fully settle (up to 1 sec) before the most accurate measurements are possible. Measurement All frequency counters are susceptible to error when Considerations measuring low-voltage, low-frequency signals.
  • Page 363 GDM-9060 Section -200 to +400 °C 0.002 °C 0.3 °C 0.04 °C / °C -200 to +1372 ˚C 0.002 °C 0.3 °C 0.04 °C / °C -200 to +1300 ˚C 0.003 °C 0.4 °C 0.05 °C / °C -50 to +1768 ˚C 0.01 °C 1 °C 0.14 °C / °C...

  • Page 364: Capacitance

    GDM-906X Series User Manual Capacitance Measurement method: DC recharge & discharge. Input protection: 500 Vpeak on all ranges. The capacitor under test (Cx) is charged using a constant current source. The time to charge Cx is recorded. The capacitor is then discharged using a known resistance and the discharge time is recorded.

  • Page 365: Dimensions

    APPENDIX Dimensions All dimensions are shown in millimeters.

  • Page 366: Declaration Of Conformity

    GDM-906X Series User Manual Declaration of Conformity GOOD WILL INSTRUMENT CO., LTD. Declare that the below mentioned product Type of Product: Digital Multimeter Model Number: GDM-9060 / GDM-9061 satisfies all the technical relations application to the product within the scope of council: Directive: 2014/30/EU;...

  • Page 367: Index

    INDEX NDEX Command set EN 61010 CALCulate commands ......259 measurement category ........ 6 CONFigure commands ..... 255, 256 pollution degree ........... 8 ROUTe commands ........323 Environment SENSe commands ........300 operation ............. 7 STATus report commands ..316, 320, 321 storage ............
  • Page 368 GDM-906X Series User Manual Rear panel overview ............. 19 characteristics ......343, 353 Refresh rate ..........27, 67 measuring characteristics.... 345, 356 Relative value Dimensions ..........365 setting ............72 Frequency and Period Remote control characteristics ......351, 361 Command syntax ........238 measuring characteristics....

This manual is also suitable for:

Gdm-9060Gdm-9061

Table of Contents