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Microtest 7110 User Manual

Single-phase power meter
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7110 / 7120
Single-Phase Power Meter
User Manual
Version: 1.01
Issued Date: Sep 2015

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Summary of Contents for Microtest 7110

  • Page 1 7110 / 7120 Single-Phase Power Meter User Manual Version: 1.01 Issued Date: Sep 2015...
  • Page 2 Microtest will take responsibility for all maintenance and replacement of products found to have an actual defect during the life of the warranty (Microtest will determine the nature of the defect). Microtest guarantees that all software and hardware designated for use with...
  • Page 3 The above guarantees and warranty do not apply if a customer has failed to use the product correctly, has modified or repaired the device or replaced parts without permission from Microtest, has misused the product, or has installed or repaired the product in an environment that does not meet the specified conditions.

  • Page 4: Table Of Contents

    2015/7/07 Version Chapter 1 Cautions ..................5 Section 1.1 Safety Labels ................5 Section 1.2 Never modify the device or perform internal calibrations yourself..................5 Section 1.3 Static Electricity ................5 Section 1.4 Earthing ..................6 Section 1.5 Power Supply ................6 Section 1.6 Warming-Up .................
  • Page 5 2015/7/07 Version Section 4.17 Power Supply Frequency Parameters ........34 Section 4.18 Calibrate to Zero ................ 35 Section 4.19 Software Version Look-up ............36 Section 4.20 Real time measure data storing ..........37 Section 4.21 Reso Settings ................39 Section 4.22 Gauge Head Power Consumption Deductions ..... 41 Chapter 5 Display Measurement Values ..........

  • Page 6: Chapter 1 Cautions

    Never install surrogate parts onto the machine or undertake any device modifications and internal calibrations yourself without the express permission of Microtest, as you may increase the levels of danger associated with the device or damage the device. Section 1.3 Static Electricity Keep items bearing static electricity away from the device to prevent damage.

  • Page 7: Section 1.4 Earthing

    2015/7/07 Version Section 1.4 Earthing A safe earthing terminal is located on the outer housing of the back panel of the device; check that this terminal is properly earthed to prevent contact with the housing and risk of electrical shock. Section 1.5 Power Supply You must use a power supply cable that meets local national specifications and an IEC320-compatible connector to connect the cable...

  • Page 8: Section 1.9 Installation And Storage

    2015/7/07 Version Section 1.9 Installation and Storage The device may be operated normally in temperatures of 18-28°C with up to 80% RH. The device may not operate in conditions exceeding these limits. The device should be stored at -20°C~70°C with up to 80% RH. In order to ensure testing accuracy and safety, avoid installing the device anywhere it would be exposed to direct sunlight, extreme heat, extreme humidity, vibration frequencies, dust, or unstable power grids.

  • Page 9: Chapter 2 Foreword

    2015/7/07 Version Chapter 2 Foreword Section 2.1 Features 0.1% Base Accuracy, Up to 160% AC Voltage Range, Current Crest Factor (cf) Settings of 3 or 9. CF3: Up to 215% AC Current Range; CF9: Up to 645% AC Current Range; CF3: Up to 344% Power Range; CF9: Up to 1,032% Power Range.

  • Page 10: Section 2.2 Measuring Functions

    2015/7/07 Version Section 2.2 Measuring Functions Parameter Scope Testing Scope Vrms/Vdc 0.1V~800V Irms/Idc 0.2mA~20A 0.01W~16KW 0.0000~±1.0000 -180.00~+180.00 0.01%~999.99% 15Hz~100kHz Section 2.3 Function Flow-Chart 7120 Internal Flow Chart: 7120 Voltage channel input resistance is 1M ohm, voltage can be input directly for testing or measured with a standard attenuation sonde. Current measurement terminal uses 0.0025Ω...

  • Page 11: Chapter 3 Wiring

    2015/7/07 Version Chapter 3 Wiring Section 3.1 Connecting to the Power Supply and Testing Items Match the colors on the terminals on the back panel to those of the terminals above the jigs on the F71201 Test Box to connect the wires and connect two AC power supply cables - 1 to the F71201, and one to the input port on the 7120 Power Supply.

  • Page 12: Section 3.2 F71201-Exclusive Jig Internal Measuring Wiring

    2015/7/07 Version Section 3.2 F71201-Exclusive Jig Internal Measuring Wiring Schematic Diagram Below is a schematic diagram of the internal wiring when using the F71201 Test Box. When the switch is set to 1 the voltage measurement point will be closer to the testing item to prevent overly low wattage measurements resulting from voltage drops across the wiring circuit under large currents.

  • Page 13: Chapter 4 Operating Settings

    2015/7/07 Version Chapter 4 Operating Settings Section 4.1 Measurement Mode Keys: Steps: Press Description: Indicator Voltage Current Measured true rms value Measured true rms value V-MEAN Rectified mean value Measured true rms value calibrated to the rms value Measured DC value obtained Measured DC value obtained by averaging input signal by averaging input signal...

  • Page 14: Section 4.2 Measurement Range

    2015/7/07 Version Section 4.2 Measurement range Keys: Steps: Set Voltage range 1. VOLTAGE 2. ↑↓ Select 10V/30V/100V/300V/600V/AUTO 3. ENTER/HOLD to complete voltage range selection. Set Current Range 4. CURRENT 2. ↑↓ Select 0.01A/0.03A/0.1A/0.3A/1A/3A/10A/20A/AUTO then press 3. ENTER/HOLD to complete current range selection. Description: The AUTO RANGE LED on the panel will light up when voltage or current range are set to AUTO.

  • Page 15: Section 4.3 Averaging

    2015/7/07 Version Section 4.3 Averaging Keys: Steps: 1.SETUP↑↓AVG2.ENTER/HOLD3.↑↓ON/OFF/FACT 2.ENTER/HOLD 3.↑↓LIN8/16/32/64/EP8/EP16/EP3/EP64  2.ENTER/HOLD Description: An exponential average (EP8~EP64) is calculated using the following formula: – D D = D + (M Where : the value at the n display; : the exponentially averaged value at the n-1 display;...

  • Page 16: Section 4.4 Update Rate

    2015/7/07 Version Section 4.4 Update Rate Keys: Steps: 2. ↑↓URATE  3. ENTER/HOLD  2.↑↓ 0.1/0.25/0.5/1/2/5 1. SETUP 3.ENTER/HOLD Description: The update rate defines measurement update intervals: the longer the period set, the greater the number of sampling cycles, and the more stable the readings.

  • Page 17: Section 4.5 Synchronization

    2015/7/07 Version Section 4.5 Synchronization Keys: Steps: 1. SETUP 2.↓↑ Select SYNC  3. Press ENTER/HOLD and use ↓↑ to select V/A/AUTO/OFF  3. ENTER/HOLD Description: A: First use the current (with a frequency jitter of under 2%) as a synchronization source, then the voltage.
  • Page 18 2015/7/07 Version Voltage >1V && Voltage Frequency Jitter < 2% V-Sync V-Auto Current > 3% of range && Voltage Frequency Jitter < 2% A-Sync A-Auto OFF: The Sync OFF option is only for capturing high-frequency surge currents. The 7120 takes fixed ~200KSPS samples and uses different update rates to calculate the samples.
  • Page 19 2015/7/07 Version 8.25 16.5 8.75 17.5 9.25 18.5 9.75 19.5 10.25 20.5 10.5 10.75 21.5 11.25 22.5 11.5 11.75 23.5 12.25 24.5 12.5 12.75 25.5 13.25 26.5 13.5 13.75 27.5 14.25 28.5 14.5 14.75 29.5 Appropriate Synchronization Sources result in Stable Readings: The 7120 can be operated in both ordinary power mode and as an independent ammeter, an ampere-hour meter or an independent voltmeter.
  • Page 20 2015/7/07 Version RMS / DC / MEAN Power Meter Mode Sync-Auto Sync-V Sync-A (Voltage over Voltage Current Priority Order Priority Order Sync - OFF 1V, Current over (V-A-d) (A-V-d) Gear 3%) The below are actual operating mechanisms for internal synchronization sources. Ο(Stable) Χ(No Freq or Unstable) V-Auto...
  • Page 21 2015/7/07 Version RMS / DC / MEAN Ammeter Mode Sync-V Sync-A Sync-Auto Voltage Current Priority Order Priority Order (Current over Sync - OFF (V-A-d) (A-V-d) Gear 3%) The below are actual operating mechanisms for internal synchronization sources. Χ(Idle d(default) Χ(No Freq or Unstable) d(default) d(default) d-Auto...

  • Page 22: Section 4.6 Harmonic Operation Mode Selection

    2015/7/07 Version Section 4.6 Harmonic Operation Mode Selection Keys: Steps: 1. Press SETUP 2. Use ↑↓ to select THD and press ENTER/HOLD then use ↑↓ to select IEC or CSA Description: Below are the differences between IEC and CSA Total Harmonic Distortion Ratio Definitions.

  • Page 23: Section 4.7 Start Line And Frequency Filter Function

    2015/7/07 Version Section 4.7 Start Line and Frequency Filter Function Keys: Steps: Line Filter Start/Stop: Press SETUP and use ↑↓ to select L.FILTER, press ENTER/HOLD, select ON/OFF and press ENTER/HOLD Frequency Filter Start/Stop: Press SETUP and use ↑↓ to select F.FILTER, press ENTER/HOLD, select ON/OFF and press ENTER/HOLD Line Filter Description: Interference from background noise over 500Hz can be picked up easily and may affect low-frequency signal measuring precision...
  • Page 24 2015/7/07 Version Line Filter Rules: Voltage and current features are the same; Mainly specifications of 500Hz - 3dB shown on the Bode Plot below. Line Filter Applications: This function has two primary applications: To filter and eliminate environmental noise when measuring low-frequency small currents e.g.

  • Page 25: Section 4.8 Set Frequency Cf Value

    2015/7/07 Version Section 4.8 Set Frequency CF Value Keys: Steps: Press SETUP and use ↑↓ to select CF then press ENTER/HOLD. Select 3/9 and press ENTER/HOLD to switch between current CF3 / CF9 Description: Maximum CF3 crest current/RMS current ratio setting is 330%; set crest current/RMS current maximum ratio to 990% to eliminate time and precision spent switching small range when testing electrical items with high current crest factors to maintain the integrity of the current measurement.

  • Page 26: Section 4.9 Setting 4Th Display Measurement Values

    2015/7/07 Version Section 4.9 Setting 4th Display Measurement Values Keys: Steps: Press SETUP and use ↑↓ to select DISPL, press ENTER/HOLD and select ON/OFF/SET. In SET press ENTER/HOLD and use ↑↓ to select Fun2, then press ENTER/HOLD and use ↑↓ to select display values to alternate. In SET press ENTER/HOLD and use ↑↓...

  • Page 27: Section 4.10 Keyboard Lock

    2015/7/07 Version Section 4.10 Keyboard Lock Keys: Steps: Set Keyboard Lock Press KEY LOCK to immediately lock the keyboard. Unlock Keyboard Press KEY LOCK again to immediately unlock the keyboard. Description: Locking the keyboard prevents all other keys from working, preventing erroneous setting adjustments.

  • Page 28: Section 4.11 Store/Load Panel Settings Configuration

    2015/7/07 Version Section 4.11 Store/Load Panel Settings Configuration Keys: Steps: Store and Delete Press SYSTEM and use ↑↓ to select Store, then press ENTER/HOLD and use ← → to switch between the six storage slots, and then press ENTER/HOLD to save.

  • Page 29: Section 4.12 Set Gpib Address

    2015/7/07 Version Section 4.12 Set GPIB Address Keys: Steps: Press SYSTEM and use ↑↓ to select GPIB, then press ENTER/HOLD and use ↑↓ to toggle between GPIB Address 1~30, then press ENTER /HOLD to finish. Description: This function sets the GPIB address within a range of 1-30.

  • Page 30: Section 4.13 Remote Control Mode

    2015/7/07 Version Section 4.13 Remote Control Mode Keys: Steps: Setting a correct GPIB address or RS232 Baud rate will result in the Remote light being lit when a PC is successfully connected. Exit Remote Control Mode Press KEYLOCK to immediately exit remote control mode. Description: Users cannot use keys to control the device when the 7120 is being controlled remotely.

  • Page 31: Section 4.14 Set Rs232 Baud Rate And Final Character

    2015/7/07 Version Section 4.14 Set RS232 Baud rate and Final Character Keys: Steps: Set Baud rate Press SYSTEM and use ↑↓ to select RE-232, then press ENTER/HOLD and use ↑↓ to select b.rate. Press ENTER/HOLD and use ↑↓ to toggle between 9600 / 19200 / 38400 / 57600 /115200, then press ENTER/HOLD to complete 7120 Baud rate settings.

  • Page 32: Section 4.15 The Scale Function

    2015/7/07 Version Section 4.15 The SCALE Function Keys: Steps: Set Scale Amplification Parameters Press SETUP and ↑↓ select SCALE, press ENTER/HOLD and toggle to Data, then press ENTER/HOLD to enter Amplification Settings. A Display shows P 1.000, use ←→ to select the digits and use ↑↓ to adjust the value by decimals.
  • Page 33 2015/7/07 Version Measured Value Converted Result Voltage (V) P (set scale value) * V Current (A) C (set scale value)* A Active Power (W) F (set scale value)* P * C * W Variance (var) F * P * C * var Apparent Power (VA) F * P * C * VA...

  • Page 34: Section 4.16 Use Power Integrator

    2015/7/07 Version Section 4.16 Use Power Integrator Keys: Steps: Press START to starting Integrator operation and use FUNCTION C to switch The display C to show W-H± or A-H± Reading. Description: This function is to calculate accumulated power use. Power and current consumption will begin to be counted until the user presses the STOP button.

  • Page 35: Section 4.17 Power Supply Frequency Parameters

    2015/7/07 Version Section 4.17 Power Supply Frequency Parameters Keys: Steps: Press SYSTEM and use ↑↓ select ACLINE press ENTER to select 50Hz / 60 Hz press ENTER to complete setting. Description: This function can measure average values for AC power supply cycles in different regions (DC mode), increasing measurement value stability.

  • Page 36: Section 4.18 Calibrate To Zero

    2015/7/07 Version Section 4.18 Calibrate to Zero Keys: Steps: Press SYSTEM and use ↑↓ to select ZERO, then press ENTER/HOLD and use ↑↓ to select ON. Press ENTER/HOLD to start calibration to Zero. Description: Zero calibration is carried out in the factory to ensure the precision of the device.

  • Page 37: Section 4.19 Software Version Look-Up

    2015/7/07 Version Section 4.19 Software Version Look-up Keys: Steps: Press SYSTEM and use ↑↓ to select VER and check the Firmware version and date. Description: The Version screen displays the current version and date of the internal device program.

  • Page 38: Section 4.20 Real Time Measure Data Storing

    2015/7/07 Version Section 4.20 Real time measure data storing Keys: Steps: Save: Open the SYSTEM menu and use ↑↓ to select MEMORY, then press RECORD and use ↑↓ to toggle to ON and begin data recording Time Interval Settings (controls both play and recording intervals): Open the SYSTEM menu and use ↑↓...
  • Page 39 2015/7/07 Version during playback. No settings on the screen can be changed and the MEMORY light will flash during playback. The UPDATE light will stop flashing when playback concludes.

  • Page 40: Section 4.21 Reso Settings

    2015/7/07 Version Section 4.21 Reso Settings Keys: Steps: Press SYSTEM and use ↑↓ to select RESO, then press ENTER/HOLD and use ↑↓ to select HI/LO Description: This function can be used to switch between value decimals on the LED display. Detailed voltage and current display rules are outlined in the following two tables.
  • Page 41 2015/7/07 Version Voltage gear display rules for when RESO = LO, are given in the below table; add one decimal place when RESO = HI. Unit 0.10-16.00 V 2 decimal places 0.30-48.00 V 2 decimal places 100V 1.0-160.0 V 1 decimal place 300V 3.0-480.0 V 1 decimal place...

  • Page 42: Section 4.22 Gauge Head Power Consumption Deductions

    2015/7/07 Version Section 4.22 Gauge Head Power Consumption Deductions Keys: Steps: In SYSTEM use ↑↓ to select M_CMP and then select ON or OFF Description: This function deducts internal micro-consumption from the voltmeter. E.G. 220V AC 60Hz with a F71201 Test Box using voltage set to I will measure a wattage of 0.048W (gauge head consumption).

  • Page 43: Chapter 5 Display Measurement Values

    2015/7/07 Version Chapter 5 Display Measurement Values Section 5.1 Panel Description Indicator LEDs are used in the panel description to indicate the current settings and measurement functions - e.g. Rms indicates that the device is currently set to measure RMS. [1] Status Lights: UPATE: indicates sampling (flash speed is the update rate).
  • Page 44 2015/7/07 Version [2]. POWER: Power Supply: Press I to switch on and O to switch off. [3]. DISPLAY_A Measurement Value Display Area. [4]. DISPLAY_A Measurement Item Display Area. Displays voltage. Displays amperage. Displays wattage. Displays Apparent Power. var: Displays Variance. Displays accumulated time.
  • Page 45 2015/7/07 Version A-Deg In Harmonics mode, displays voltage phase angle A-Deg Definition: First stage is phase difference between voltage and current, stages 2-50 are phase difference between stage one current and stage 2-50 current. V_PK Displays voltage positive peak. A_PK Displays current positive peak.
  • Page 46 2015/7/07 Version [11] [11] [12] [12] [13] [13] [14] [14] [15] [15] [10] [10] [16] [16] [17] [17] [18] [19] [18] [19] [10]. Up, down, left, right settings operating key. [11]. Gear settings shortcut key. [12]. Calibrate keys. [13]. Measurement mode selection key. [14].

  • Page 47: Section 5.2 Measurement Items

    2015/7/07 Version [22]. GPIB Interface socket. [23]. RS-232 interface socket. Section 5.2 Measurement Items: Displays voltage. Displays amperage. Displays wattage. Displays Apparent Power. var: Displays Variance (inactive power). TIME: Displays accumulated time. Pk+: Displays positive peak. Pk-: Displays negative peak. Displays peak-to-peak.

  • Page 48: Section 5.3 Display A Measurement Display Area

    2015/7/07 Version Section 5.3 Display A Measurement Display Area Keys and Display Lights: Description: In Rms and Volt Mean modes press FunctionA key - the toggle order of functions in Window A is below. V  A  W  VA  var  TIME  V_CF  A_CF  PF  V (Default) In Harmonic mode press FunctionA key - the toggle order of functions in Window A is below.

  • Page 49: Section 5.4 Display B Measurement Display Area

    2015/7/07 Version Section 5.4 Display B Measurement Display Area Keys and Display Lights: Description: In Rms, Volt Mean and DC modes press FunctionB key - the toggle order of functions in Window B is below. A  W  Deg  V_Pk+  A_Pk-  V_Pk+  A_Pk- V_PP A_PP  V ...

  • Page 50: Section 5.5 Display C Measurement Display Area

    2015/7/07 Version Section 5.5 Display C Measurement Display Area Keys and Display Lights: Description: In Rms, Volt Mean and DC modes press FuncC key - the toggle order of functions in Window C is below. W  VA  var  PF  Hz  A_H  W_H  VA_H  var_H VpkApk V A W (Default) In Harmonic mode press FuncC key - the toggle order of functions in Window C is below.

  • Page 51: Chapter 6 Electrical Features Specifications

    2015/7/07 Version Chapter 6 Electrical Features Specifications Basic measurement mode specifications Measurement Obtain a stable base frequency (less than 1% variation) Foundation from voltage or current (non-variable) and begin taking measurements. Frequency 15HZ ~ 100KHz Range Data Length dual 4096x16 RAM for voltage & current ADC Data 16 bits Format...
  • Page 52 2015/7/07 Version CAT II level specifications (50H, 60Hz) Case – Voltage Voltage Current Current (Red) (Black) (Red) (Black) Earthed Voltage 800V RMS 600V RMS 600V RMS 600V RMS (Red) Voltage 800V RMS 600V RMS 600V RMS 600V RMS (Black) Current 600V RMS 600V RMS 600V RMS...
  • Page 53 2015/7/07 Version Environment of Use Requirements:  Electrical Item Specifications Scope of Warranty Temperature Within Scope: 23±5°C  Humidity: 30 to 75%RH.  Power Factor: 1  Input signal: sine wave  With scaling off  Only use indoors after a 30 minute warm-up ...
  • Page 54 2015/7/07 Version Current (A) Ranges (Auto or 0.01A, 0.03A, 0.1A, 0.3A, 1A, 3A, 10A, 20A Manual) (8 ranges) Operating Principle True RMS or mean value rectification Frequency Range DC and 15Hz to 100KHz AC Accuracy (23°C±5°C Environmental) 15 Hz≦f<45 Hz ±(0.1% of reading + 0.4% of range) 45 Hz≦f≦66 Hz ±(0.1% of reading + 0.1 % of range)
  • Page 55 2015/7/07 Version Power (W) AC power ranges (Auto or Manual)(40 ranges) range up to 16KW Max Power (W) value determined by max voltage gear. AC Accuracy 15 Hz≦f<45 Hz ±(0.3% of reading + 0.2% of range) 45 Hz≦f≦66 Hz ±(0.1% of reading + 0.1 % of range) 66 Hz<f≦1 kHz ±(0.2% of reading + 0.2 % of range) 1 kHz<f≦10 kHz ±(0.4% of reading + 0.3 % of range)±...
  • Page 56 2015/7/07 Version DC power ranges (Auto or Manual)(40 ranges) Range 0.001W to 16KW Max Power (W) value determined by max voltage gear. Voltage Current CF3 Range CF9 Range Resolution Gear Gear 0.01~20A 0W~200W 0W~200W 0.001W 0.01~20A 0W~600W 0W~600W 0.001W 100V 0.01~20A 0W~2000W 0W~2000W...
  • Page 57 2015/7/09 Version Total Harmonic Distortion (THD) Frequency Range, 40Hz ~ 440Hz Fundamental (Automatic Tuned) Measuring Input Voltage or Current Frequency (Hz) Operating Principle Digital frequency detector Accuracy (23°C±5°C ±0.5% reading Environmental) Measuring Input Voltage or Current Peak Voltage (Vpkp, Vpkn, Vpp) Ranges (Auto or Manual) (5 10V(16V), 30V(48V), 100V(160V), Range)
  • Page 58 2015/7/07 Version Power Factor (PF) Ranges 0.0000 to ±1.0000 Computation W / ( VA) Accuracy (23°C±5°C Environmental) Phase Angle (DEG) Ranges 0.00 to ±180.00 Computation DEG = ACOS(PF) with lead/lag detection. Apparent Power (VA) Ranges V A Range VrmsΧArms Computation Accuracy (23°C±5°C When power factor (PF) = 0(VA: apparent power) •...
  • Page 59 2015/7/09 Version Minimum Measuring Signal Frequency Range at Different Update Rates Update Time Frequency Range (sec) 25HZ ~ 100KHZ 0.25 10HZ ~ 100KHZ 5HZ ~ 100KHZ 2.5HZ ~ 100KHZ 1.5HZ ~ 100KHZ 0.5HZ ~ 100KHZ Description: Measuring range is 15Hz-100KH (update time set to 0.25s); at 0.1 seconds, precision of any values measured below the measuring range cannot be guaranteed.
  • Page 60 2015/7/07 Version DC Gear Measurement Specifications MIN CF3 / 9 MAX CF3 / 9 210% 0.01A 2% / 6% 260% / 780% 210% 0.03A 2% / 6% 260% / 780% 100V 210% 0.1A 2% / 6% 260% / 780% 300V 210% 0.3A 2% / 6%...
  • Page 61 2015/7/07 Version Harmonics Analysis Function Specification Analysis Obtain a stable base frequency (less than 1% variation) Foundation from voltage or current (non-variable) and begin analysis. Frequency 45Hz ~ 440Hz Range FFT Data 1024 Length FFT Data 32 bits Format Measurement 1-50 Total Harmonics Distortion, 1-50 Stage Voltage/Current Items: V[n], A[n],...
  • Page 62 2015/7/09 Version 9th order Maximum Tolerance 0.1A * (10/10+1))% = 0.0018A~0.0022A Accuracy 11th order Maximum Tolerance 0.1A * (10/10+1)% = 0.0018A~0.0022A Energy 0.1A 0.0022A 0.0022A Up to 50 th order 10 11 Base -3dB Deadline Frequency Stages Harmonic Frequency Frequency (Degredation ~0.707) Analysis 50Hz...
  • Page 63 2015/7/09 Version Common mode voltage Specifications Testing Method V+, V- Input Terminal Short Circuit, I+,I- open circuit, Apply AC voltage between CASE & V+ and test. Voltage < Voltage * F * 0.3 /1000 Specifications F = KHz Unit For example 600V 10KHz: 600V *10 *0.3 /1000 = 1.8V Current <...
  • Page 64 2015/7/09 Version Voltage & Current channel cross talk Specifications Current Testing Method V+, V- Input Voltage, I+,I- Idle Contact Voltage Effects on Current <0.0005% * F of Voltage/100 Specifications F = KHz Unit Voltage Testing Method I+, I- Input Current, V+,V- use 5cm wire short circuit Current Effects on Voltage <0.0005% * F * Current...

  • Page 65: Chapter 7 Gpib Instruction Sets

    Chapter 7 GPIB Instruction Sets Section 7.1 Serial Communications Specifications Electrical characteristics RS232 Connection Point-to-point Communications Full-duplex Synchronization Start-stop system Baud rate 19200/38400/57600/115200 (can change settings) Start bit 1 bit Data length 8 bits Parity No parity Stop bit 1 bit Section 7.2 Symbols Symbol Description...
  • Page 66 2015/7/09 Version [:CONFigure]:AVERaging[:STATe] Sets/queries averaging ON/OFF. [:CONFigure]:AVERaging:TYPE Sets/queries averaging type and coefficient. [:CONFigure]:CURRent? Queries all settings related to the current range. [:CONFigure]:CURRent:AUTO Sets/queries the current auto range ON/OFF. [:CONFigure]:CURRent:RANGe Sets/queries the current range. [:CONFigure]:FILTer Sets/queries the frequency filter ON/OFF. [:CONFigure]:LFILter Sets/queries the line filter ON/OFF. [:CONFigure]:MHOLd[:STATe] Sets/queries the MAX hold ON/OFF.
  • Page 67 2015/7/09 Version distortion. INTEGrate Group :INTEGrate? Queries all settings related to integration. :INTEGrate:MODE Sets/queries the integration mode. :INTEGrate:RESet Resets the integration values. :INTEGrate:STARt Starts integration. :INTEGrate:STOP Stops integration. :INTEGrate:TIMer Sets/queries the integration timer. MATH Group :MATH? Queries all settings related to the computing function. :MATH:CFACtor Sets/queries the computing equation of the crest factor.
  • Page 68 2015/7/09 Version :MEASure[:NORMal]:VALue? Queries normal measured/computed data set by commands other than“MEASure[:NORMal]:ITEM” (ASCII format). RECall Group :RECall? Queries all settings related to recalling data. :RECall:INTerval Sets/queries the recalling interval. :RECall:PANel Retrieves the setup parameters file. :RECall[:STATe] Sets/queries recalling ON/OFF. SAMPle Group :SAMPle? Queries all settings related to sampling.
  • Page 69 2015/7/09 Version Function Sets local lockout ON or OFF. Syntax COMMunicate:LOCKout {<Boolean>} Example COMMUNICATE:LOCKout ON COMMunicate:REMote Function Sets remote (ON) or local mode (OFF). Syntax COMMunicate:REMote {<Boolean>} Example COMMUNICATE:REMOTE ON Configure group: CONFigure? Function Queries all the settings related to the measurement conditions. Syntax CONFigure? Example CONFIGURE? ->:MODE DC;:VOLT:RANG 1.000000E+01;:AUTO 1;:CURR:RANG 1.000000E-02;:AUTO 0;:FILT 0;:LFIL 0;:SCAL...
  • Page 70 2015/7/09 Version [CONFigure]:CURRent? Function Queries all setting values relating to the current range (external sensor range) Syntax [CONFigure]:CURRent? Example [CONFIGURE]:CURRENT? ->:CURR:RANG 1.000000E-02;AUTO 0 [CONFigure]:CURRent:AUTO Function Sets the current auto range ON/OFF, or queries the current setting. Syntax [CONFigure]:CURRent:AUTO {<Boolean>} [CONFigure]:CURRent:AUTO? Example [CONFIGURE]:CURRENT:AUTO ON [CONFIGURE]:CURRENT:AUTO? ->:CURR:AUTO 0...
  • Page 71 2015/7/09 Version [CONFigure]:MHOLd[:STATe] Function Sets the MAX hold ON/OFF, queries the current setting. Syntax [CONFigure]:MHold[:STATe] {<Boolean>} [CONFigure]:MHold[:STATe]? Example [CONFIGURE]:MHOLD:STATE OFF [CONFIGURE]:MHOLD:STATE? ->:MHOL 0 [CONFigure]:MODE Function Sets the measurement mode of current and voltage, queries the current setting. Syntax [CONFigure]:MODE {RMS|VMEan|DC|HARMonics} [CONFigure]:MODE? Example [CONFIGURE]:MODE RMS [CONFIGURE]:MODE? ->...
  • Page 72 2015/7/09 Version Example [CONFIGURE]:SCALING:STATE OFF [CONFIGURE]:SCALING:STATE?-> :SCAL 0 [CONFigure]:SYNChronize? Function Sets the measurement synchronization source/queries the current setting. Syntax [CONFigure]:SYNChronize {VOLTage|CURRent|AUTO|OFF} [CONFigure]:SYNChronize? Example [CONFIGURE]:SYNCHRONIZE VOLTAGE? [CONFIGURE]:SYNCHRONIZE? ->:SYNC V [CONFigure]:VOLTage? Function Queries all settings relating to voltage range. Syntax [CONFigure]:VOLTage? Example [CONFIGURE]:VOLTAGE? -> :VOLT:RANG 1.000000E+01;AUTO 1 [CONFigure]:VOLTage:AUTO Function Sets the voltage auto range ON/OFF, queries the current setting.
  • Page 73 2015/7/09 Version [CONFigure]: CFACtor Function Sets the CFACtor /queries the current setting. Syntax [CONFigure]:CFACtor {<cfac>},{<elem>} [CONFigure]:CFACtor? < cfac >= (3,9) <elem>=(1) Example [CONFIGURE]:CFACtor 3,1 [CONFIGURE]:CFACtor?-> :MATH:CFAC 3,1 [CONFigure]: MCMP Function Sets the MCMP/queries the current setting. Syntax [CONFigure]:MCMP {<Boolean>} [CONFigure]:MCMP? Example [CONFIGURE]:MCMP OFF [CONFIGURE]:MCMP?->...
  • Page 74 2015/7/09 Version DISPlay<x>:FUNCtion Function Sets the function to be displayed/queries the current setting. Syntax DISPlay<x>:FUNCtion {<display function>} DISPlay<x>:FUNCtion? <x>= 1 to 3 1:Display A 2:Display B 3:Display C In case of normal measurement: <display function>= {V|A|W|VA|VAR|PF|DEGRee|VHZ|AHZ|WH|WHP|WHM|AH|AHP|AHM |MATH|VPK|APK|TIME} In case of harmonic measurement: <display function>={V|A|W|PF|VHZ|AHZ|VTHD|ATHD|VCON|ACON|WCON |VDEG|ADEG|ORDer} Example DISPLAY1:FUNCTION V...
  • Page 75 2015/7/09 Version <x>= 1 to 3 1:Display A 2:Display B 3:Display C Example DISPLAY1:RESOLUTION LOW DISPLAY1:RESOLUTION? -> :DISP:RES LOW Description <x> will be ignored. The contents of all the displays A to C will be received. DISPlay:INTerval Function Sets the INTerval ON/OFF, queries the current setting. Syntax DISPlay: INTerval {<Boolean>} DISPlay: INTerval? Example DISPLAY: INTerval OFF...
  • Page 76 2015/7/09 Version Syntax DISPlay:INTerval:TIMer {<NRf> } DISPlay:INTerval:TIMer? <NRf>=1 to 30 Example DISPLAY:INTerval:TIMer 1 DISPLAY:INTerval:TIMer? -> :DISP:INT:TIM 1 DISPlay:INTENsity Function Sets the INTENsity, queries the current setting. Syntax DISPlay:INTENsity {<NRf> } DISPlay:INTerval:INTENsity? <NRf>=0 to 5 Example DISPlay:INTENsity 3 DISPlay:INTENsity? -> :DISP:INTEN 3 HARMonics? Function Queries all settings relating to harmonic measurement.
  • Page 77 2015/7/09 Version setting. Syntax HARMonics:ELEMent {<NRf>} HARMonics:ELEMent? {<NRf>}=1 Example HARMONICS:ELEMENT 1 HARMONICS:ELEMENT?-> :HARM:ELEM 1 HARMonics[:STATe] Function Sets the harmonic measurement mode ON/OFF, queries the current setting. Syntax HARMonics[:STATe] {<Boolean>} HARMonics[:STATe]? Example HARMONICS:STATE ON HARMONICS:STATE? -> :HARM 1 HARMonics:SYNChronize Function Sets the fundamental frequency for PLL synchronization (PLL source)/queries the current setting.
  • Page 78 2015/7/09 Version Syntax INTEGrate:MODE {NORMal|CONTinuous} INTEGrate:MODE? Example INTEGRATE:MODE NORMAL INTEGRATE:MODE?-> :INTEG:MODE NORM INTEGrate:RESet Function Resets the integrated values. Syntax INTEGrate:RESet Example INTEGRATE:RESET INTEGrate:STARt Function Starts integration. Syntax INTEGrate:STARt Example INTEGRATE:START INTEGrate:STOP Function Stops integration. Syntax INTEGrate:STOP Example INTEGRATE:STOP INTEGrate:TIMer Function Sets the integration timer/queries the current setting. Syntax INTEGrate:TIMer {<NRf>,<NRf>,<NRf>} {<NRf>,<NRf>,<NRf>}=0,0,0 to99,59,59 Example INTEGRATE:TIMER 10,0,0...
  • Page 79 2015/7/09 Version Example MATH:CFACtor 3,1 MATH:CFACtor?-> :MATH:CFAC 3,1 MEASure? Function Queries all the settings related to measurement/computation data. Syntax MEASure? Example MEASURE? -> :MEAS:ITEM:V:ELEM1 1;:MEAS:ITEM:A:ELEM1 1;:MEAS:ITEM:W:ELEM1 1;:MEAS:ITEM:VA:ELEM1 0;:MEAS:ITEM:VAR:ELEM1 0;:MEAS:ITEM:PF:ELEM1 0;:MEAS:ITEM MEASure:HARMonics? Function Queries all settings related to harmonic measurement data. Syntax MEASure:HARMonics? Example MEASURE:HARMONICS?->...
  • Page 80 2015/7/09 Version function>} Function Sets the communication output item of harmonic measurement ON/OFF, queries the current setting. Syntax MEASure:HARMonics:ITEM:{ SYNChronize|<harmonic measurement function>} {<Boolean>} SYNChronize=PLL source <harmonic measurement function> ={VTHD|V|VCON|ATHD|A|ACON|PF|W|WCON|VDEG|ADEG} Example MEASURE:HARMONICS:ITEM:VTHD ON MEASURE:HARMONICS:ITEM:VTHD?-> :MEAS:HARM:ITEM:VTHD 1 Description The selection SYNChronize is for outputting the frequency of the PLL source.
  • Page 81 2015/7/09 Version Example MEASURE:NORMAL:ITEM? -> (Results are the same as for MEASure:NORMal? ) MEASure[:NORMal]:ITEM:PRESet Function Sets the ON/OFF pattern for all communication outputs of the normal measurement function. Syntax MEASure[:NORMal]:ITEM:PRESet {NORMal|INTEGrate|CLEar} Example MEASURE:NORMAL:ITEM:PRESET NORMAL Description The following three patterns can be selected. NORMal: V/A/W ->...
  • Page 82 2015/7/09 Version Example MEASURE:NORMAL:VALUE? -> 1.624902E-01,1.737977E-02,1.343538E-03,1.624902E-01,10,00,00,... Common Command Group *CAL? Function Execute zero-level compensation and queries the result. Syntax *CAL? Example *CAL? -> 0 Description “0” is returned when the zero-level compensation completes properly. Otherwise,“1” is returned. *CLS Function Clears the standard event register, extended event register and error queue.
  • Page 83 2015/7/09 Version *IDN? Function Queries the instrument model. Syntax *IDN? Example *IDN? -> MICROTEST, PM7120 Description A reply consists of the following information:<Model>,<Type> *OPC Function When *OPC is sent, this command sets bit 0 (the OPC bit) of the standard event register to “1”.
  • Page 84 2015/7/09 Version Example *RST Description initialize settings. *SRE Function Sets the value of the service request enable register, or queries the current setting. Syntax *SRE {<NRf>} *SRE? {<NRf>}=0 to 255 Example *SRE 245 *SRE? -> 181 Description • Each bit is expressed as a decimal number. *STB? Function Queries the value of the status byte register.
  • Page 85 2015/7/09 Version Syntax *WAI This command is not supported by this instrument.

  • Page 86: Appendix

    2015/7/09 Version Appendix Character Chart Version V1.0 2015/07/07 Initial Release V1.01 2015/9/7 Frequencry accuracy & common mode specification change.

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