Page 1 SDM4065A Series User Manual SDM4065A Series Digital Multimeter User Manual EN01A...
Page 2: Table Of Contents
SDM4065A Series User Manual Contents Copyright and Statement..................4 General Safety Summary ..................5 Safety Terms and Symbols ......................10 General Care and Cleaning ......................11 General Inspection ........................11 First Steps ......................12 Delivery Checklist ......................... 12 Quality Assurance ........................12 Maintenance Agreement ......................
Page 3 SDM4065A Series User Manual 7.1.7 Threshold Voltage ......................39 7.1.8 Gate Time ........................... 40 Basic Measurement Functions ....................41 7.2.1 To Measure DC Voltage ....................42 7.2.2 To Measure AC Voltage ....................44 7.2.3 To Measure DC Current ....................46 7.2.4...
Page 4 SDM4065A Series User Manual 7.6.4 dB ............................. 117 7.6.5 Relative Value ........................118 Display ............................119 7.7.1 Number ..........................119 7.7.2 Bar ............................ 120 7.7.3 Trend ..........................121 7.7.4 Histogram ........................122 7.7.5 Probe Hold ........................125 Help System ..........................126 Measurement Tutorial ..................
Page 5: Copyright And Statement
Copyright SIGLENT TECHNOLOGIES CO., LTD. All rights reserved. Trademark Information SIGLENT is registered trademark of SIGLENT TECHNOLOGIES CO., LTD. Statement  SIGLENT products are protected by patent laws in and outside of the P.R. China.  SIGLENT reserves the rights to change the specification and price.
Page 6: General Safety Summary
SDM4065A Series User Manual 2 General Safety Summary Read the following safety precautions carefully to avoid any personal injuries or damages to the instrument and any products connected to it. To avoid potential hazards, please use the instrument as specified.
Page 7 SDM4065A Series User Manual Use proper fuse. It’s only allowed to use the specified fuse for the instrument. Use proper over-voltage protection. Make sure there is no over-voltage (like voltage caused by thunder and lightning) reaching to the instrument, otherwise the operator may suffer an electric shock.
Page 8 SDM4065A Series User Manual Statement of the range of environmental conditions Indoor or Outdoor Use Indoor use Altitude 2000 meters MAX Temperature 0°C ~ 50°C Relative Humidity 0% ~ 60% AC 200 V ~ 240 V 50/60 Hz Power Supply...
Page 9 SDM4065A Series User Manual Input terminal protection limitation Protection limitation is defined for the input terminal: 1. Main input (HI and LO) terminal HI and LO terminals are used for Voltage, Resistance, Capacitance, Continuity, Frequency, Diode and temperature measurement. Two protection limitations are defined: HI-LO protection limitation: 1000 VDC or 750 AVC.
Page 10 SDM4065A Series User Manual WARNING: IEC Measurement Category II includes electrical devices connected to mains at an outlet on a branch circuit, such as most small appliances, test equipment, and other devices that plug into a branch outlet or socket.
Page 11: Safety Terms And Symbols
SDM4065A Series User Manual Safety Terms and Symbols Terms in this manual. Terms may appear in this manual: WARNING: Warning statements indicate the conditions and behaviors that could result in injury or loss of life. CAUTION: Caution statements indicate the conditions and behaviors that could result in damage to this product or other properties.
Page 12: General Care And Cleaning
SDM4065A Series User Manual General Care and Cleaning Care: Do not store or leave the instrument in direct sunshine for extended periods. To avoid damage to the instrument or probes, please do not expose them to fog, liquid, or solvents.
Page 13: First Steps
SDM4065A Series User Manual 3 First Steps Delivery Checklist First, verify that all items listed on the packing list have been delivered. If you note any omissions or damage, please contact your nearest SIGLENT customer service center or distributor as soon as possible.
Page 14: Document Conventions
SDM4065A Series User Manual 4 Document Conventions For convenience, text surrounded by a box border is used to represent the button of the front panel. For example, Function represents the " Function " button on the front panel. Text with character shading is used to represent menus, options, and virtual buttons that can be touched by your finger or clicked on by the mouse on the display screen.
Page 15: Introduction Of Sdm4065A
SDM4065A Series User Manual 5 Introduction of SDM4065A SDM4065A is a 6 ½ dual-display instrument, especially fitting to the needs of high-precision, multifunction, and automation measurements. It realized a combination of basic measurement functions, multiple math functions, and display functions, etc.
Page 16 SDM4065A Series User Manual  Support recording and saving historical measurement results.  256 MB Nand Flash, supports storage of various types of files such as readings, images, configuration files.  Provide Chinese and English menu, and built-in help system for easy information retrieval.
Page 17: Quick Start
SDM4065A Series User Manual 6 Quick Start This chapter introduces the preparation work for using the SDM4065A digital multimeter, and introduces the front panel, rear panel, display screen, etc. of the digital multimeter. This chapter contains the following topics:  Mechanical Dimension ...
Page 18: Mechanical Dimension
SDM4065A Series User Manual Mechanical Dimension Front View Top View Unit: mm int.siglent.com...
Page 19: To Adjust The Handle
SDM4065A Series User Manual To adjust the Handle Please grip the handle by the two sides and pull it outward to adjust the handle position of SDM4065A. Then rotate the handle to the appropriate position. Please operate as the following figure:...
Page 20: Front Panel
SDM4065A Series User Manual Front Panel The SDM4065A digital multimeter provides users with a simple and clear front panel. These buttons are grouped and arranged according to their functions, and corresponding buttons can be selected for relevant operations, as shown in the following figure: Power Key Short/long press the key to turn on/off the instrument.
Page 21 SDM4065A Series User Manual Menu Operation Buttons Measurement menu button, which can set measurement functions and corresponding parameters related to the functions. Function selection menu button, which can select or set parameters about Utility, Math, Acquire, Display, Dual Function, Probe Hold and Help.
Page 22: Rear Panel
SDM4065A Series User Manual Rear Panel The rear panel of the SDM4065A digital multimeter provides users with rich interfaces, as shown in the figure: Power Socket The multimeter accepts two types of AC supplies. Please use the power cord provided in the accessories to connect the multimeter to the AC power through this socket.
Page 23: Start The Multimeter
SDM4065A Series User Manual Start the Multimeter Before connect the instrument to a power source, please select the AC voltage in the AC voltage selector on the rear panel of your multimeter according to the power supply. Then connect the power cord as shown in the following figure.
Page 24: User Interface
SDM4065A Series User Manual User Interface Home. Functionally equivalent to the "Home" button on the left side of the front panel Menu. Functionally equivalent to the "Menu" button on the left side of the front panel C. Trigger mode D. Quick screenshot identification LAN status icon.
Page 25: Measurement Connections
SDM4065A Series User Manual Measurement Connections SDM4065A is designed with many measurement functions. After selecting the desired measurement function, please connect the signal (device) under test to the multimeter according to the method below. DC Voltage Measurement (DCV) AC Voltage Measurement (ACV)
Page 26 SDM4065A Series User Manual Capacitance Measurement (Cap) Frequency/period Measurement (Freq/Period) Continuity Measurement (Cont) Diode Measurement (Diode) Temperature Measurement (Temp) (For RTD and thermcouple sensors) int.siglent.com...
Page 27: Scanner Card
SDM4065A Series User Manual Scanner Card The SDM4065A-SC in this multimeter supports 16 channel external inspection card for multi-point and multi signal testing. Table 6-1 Scanner Card SC1016 measurement and test line connection Items No. of wires Number of channels...
Page 28 SDM4065A Series User Manual Press the connector button with your finger, and then insert the connecting line. Lead out the connecting line from the opening of the cover plate as shown in the figure, and then fix the connecting line on the cable fixing base.
Page 29 SDM4065A Series User Manual Measurement connection method 2-wire measurement mode (voltage, current, 2-W resistance, capacitance, frequency/period, continuity, diode, temperature). Note: [1] Each channel of CH1~CH12 can be used for switching measurement of voltage, 2-W resistance, capacitance, frequency, continuity, diode, temperature, etc. CH13~CH16 channels are fixed for current measurement below 2.2 A.
Page 30: To Use The Built-In Help System
SDM4065A Series User Manual To Use the Built-in Help System To obtain the built-in help information for this product, select the item that needs help, press the Help button to enter the help system interface, and view the corresponding help information.
Page 31: Replace The Power Fuse
SDM4065A Series User Manual 6.10 Replace the Power Fuse The multimeter is already installed with a power fuse (0218.315MXP) before leaving factory. This fuse is a slow melting, explosion-proof, 315 mA, 5x20 mm fuse. If you need to replace the fuse, please...
Page 32: Front Panel Operations
SDM4065A Series User Manual 7 Front Panel Operations This chapter introduces how to use the functions of the multimeter from the front panel. The chapter contains the following topics:  Measurement Configuration  Basic Measurement Functions  Dual-display Function  Utility Function ...
Page 33: Measurement Configuration
SDM4065A Series User Manual Measurement Configuration Most measurement parameters are user-defined. Changing a measurement parameter will change the measurement precision and speed as well as the input impedance. An appropriate measurement parameter based on the actual application will ensure faster measurement or higher measurement precision.
Page 34: Range
SDM4065A Series User Manual 7.1.1 Range SDM4065A provides auto and manual range selecting modes. In auto mode, the multimeter selects a proper range automatically according to the input signal; in manual mode, you can use the knob on front panel, or the menu buttons on the screen to set the range. The auto mode can bring a lot of convenience for users while the manual mode provides higher reading precision.
Page 35: Aperture
SDM4065A Series User Manual 7.1.2 Aperture The aperture refers to the sampling period of the instrument's analog-to-digital converter on the input signal during the measurement period. The bigger the aperture is, the slower the measurement speed will be and the higher the resolution will be; the smaller the aperture is, the faster the measurement will be and the lower the resolution will be.
Page 36: Dc Impedance
SDM4065A Series User Manual 7.1.3 DC Impedance The DC impedance setting is applicable to the DCV measurement function, with a factory default value of "10 MΩ". In the range of 200 mV, 2 V or 20 V, you can choose “10 GΩ” to reduce the loading error to the measured object caused by the multimeter.
Page 37: Auto Zero
SDM4065A Series User Manual 7.1.4 Auto Zero Auto Zero applies to DCV, DCI, 2WR and 4WR measurements. Enter the specific measurement function and touch Auto Zero in the menu to perform the setting, as shown in Figure 7-4 (taking DCV measurement as an example).
Page 38: Ac Filter
SDM4065A Series User Manual 7.1.5 AC Filter AC filter applies to ACV and ACI measurements. It can optimize the low-frequency accuracy and minimize the AC settling time. SDM4065A provides three types of AC filters: >3Hz, >20Hz, >200Hz. During the measurement process, the type of AC filter should be selected based on the frequency of the input signal.
Page 39: Threshold Resistance
SDM4065A Series User Manual 7.1.6 Threshold Resistance This function only applies to continuity measurement. When the measured circuit has a resistance lower than the threshold value, the circuit is considered as connected, and the buzzer sounds (if buzzer is on). The default short-circuit resistance is 50 Ω and the setting is stored in nonvolatile memory.
Page 40: Threshold Voltage
SDM4065A Series User Manual 7.1.7 Threshold Voltage This function only applies to diode measurement. When the measured circuit has a threshold voltage value of the diode lower than the setting value, the buzzer sounds continuously (if buzzer is on). The default value of the threshold voltage is 2V and the setting is stored in nonvolatile memory.
Page 41: Gate Time
SDM4065A Series User Manual 7.1.8 Gate Time This function applies to Freq/Period measurements. The length of gate time determines the resolution of low-frequency measurements. The longer the gate time, the higher the low-frequency measurement resolution and the lower the measurement rate; On the contrary, the lower the low- frequency measurement resolution, the higher the measurement rate.
Page 42: Basic Measurement Functions
SDM4065A Series User Manual Basic Measurement Functions SDM4065A Digital Multimeters have following basic functions:  To Measure DC Voltage  To Measure AC Voltage  To Measure DC Current  To Measure AC Current  To Measure Resistance  To Measure Capacitance ...
Page 43: To Measure Dc Voltage
SDM4065A Series User Manual 7.2.1 To Measure DC Voltage Range: 200 mV, 2 V, 20 V, 200 V, 1000 V. Max Resolution: 100 nV (in the range of 200 mV). Input Protection: A 1000 V protection is available in all ranges and a 10% overrange for all ranges except 1000 V range.
Page 44 SDM4065A Series User Manual to 110% of the current range and down to below 10% of the current range. Set the aperture Touch Aperture to select an aperture for measurement. Selecting 100 PLC provides the best noise rejection and resolution, but the slowest measurement speed.
Page 45: To Measure Ac Voltage
SDM4065A Series User Manual 7.2.2 To Measure AC Voltage Range: 200 mV, 2 V, 20 V, 200 V, 750 V. Max Resolution: 100 nV (in the range of 200 mV). Input Protection: A 750 V protection is available in all ranges and a 10% overrange for all ranges except 750 V range.
Page 46 SDM4065A Series User Manual to 110% of the current range and down to below 10% of the current range. Set the filter Touch Filter and select the filter for the measurement. The instrument provides three different AC filters: >3 Hz, >20 Hz and >200 Hz, you should generally select the highest frequency filter whose frequency is less than that of the signal you are measuring.
Page 47: To Measure Dc Current
SDM4065A Series User Manual 7.2.3 To Measure DC Current Range: 200 μA, 2 mA, 20 mA, 200 mA, 2 A, 10 A. Max Resolution: 0.1 nA (in the range of 200 μA). Input Protection: A 10 A protection is available in all ranges and a 10% overrange for all ranges except 10A range.
Page 48 SDM4065A Series User Manual to 110% of the current range and down to below 10% of the current range. Set the aperture Touch Aperture to select an aperture for measurement. Selecting 100 PLC provides the best noise rejection and resolution, but the slowest measurement speed.
Page 49: To Measure Ac Current
SDM4065A Series User Manual 7.2.4 To Measure AC Current Range: 200 μA, 2 mA, 20 mA, 200 mA, 2 A, 10 A. Max Resolution: 0.1 nA (in the range of 200 μA). Input Protection: A 10 A protection is available in all ranges and a 10% overrange for all ranges except 10A range.
Page 50 SDM4065A Series User Manual to 110% of the current range and down to below 10% of the current range. Set the filter Touch Filter and select the filter for the measurement. The instrument provides three different AC filters: >3 Hz, >20 Hz and >200 Hz, you should generally select the highest frequency filter whose frequency is less than that of the signal you are measuring.
Page 51: To Measure Resistance
SDM4065A Series User Manual 7.2.5 To Measure Resistance Range: 200 Ω, 2 kΩ, 20 kΩ, 200 kΩ, 1 MΩ, 10 MΩ, 100 MΩ. Max Resolution: 100 μΩ (in the range of 200 Ω). Input Protection: A 1000 V protection is available in all ranges and a 10% overrange for all ranges except 1000 V range.
Page 52 SDM4065A Series User Manual measurement interface, as shown in the following figure. Figure 7-14 4-Wire resistance measurement interface Make connection Connect the test leads with the measured signal by referring to “Measurement Connections”. Set the range Touch Range on the screen to enter the range setting interface. You can use the knob on the front panel, or the menu buttons on the screen to set the range.
Page 53 SDM4065A Series User Manual on the DMM’s input circuitry from affecting measurement accuracy. Set the relative value (optional operation) Touch Rel to enable or disable relative math function. When the function is enabled, the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set.
Page 54: To Measure Capacitance
SDM4065A Series User Manual 7.2.6 To Measure Capacitance Range: 2 nF, 20 nF, 200 nF, 2 μF, 20 μF, 200 μF, 2 mF, 20 mF, 100 mF. Max Resolution: 2 pF (in the range of 2 nF). Input Protection: A 1000 V protection is available in all ranges and a 10% overrange for all ranges except 1000 V range.
Page 55 SDM4065A Series User Manual to 110% of the current range and down to below 10% of the current range. Set the relative value (optional operation) Touch Rel to enable or disable relative math function. When the function is enabled, the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set.
Page 56: To Measure Frequency And Period
SDM4065A Series User Manual 7.2.7 To Measure Frequency and Period Frequency (Period) Range: From 3 Hz to 1 MHz (from 1 μs to 0.33 s). Input Signal Range: 200 mV, 2 V, 20 V, 200 V, 750 V. Input Protection: A 750 V protection is available in all ranges.
Page 57 SDM4065A Series User Manual Figure 7-17 Period measurement interface Make connection Connect the test leads with the measured signal by referring to “Measurement Connections”. Set the range Touch Range on the screen to enter the range setting interface. You can use the knob on the front panel, or the menu buttons on the screen to set the range.
Page 58 SDM4065A Series User Manual Read the measurement value The multimeter measures the input signal according to the current measurement settings and displays the measurement result on the screen. Make math operation (advanced operation) You can perform math operation (Statistics, Limits and Rel) on every frequency/period measurement reading.
Page 59: To Measure Continuity
SDM4065A Series User Manual 7.2.8 To Measure Continuity Test Current Source: 1 mA. Max Resolution: 0.01 Ω. Input Protection: 1000 V input protection. Open-circuit Voltage: < 8 V. Beep Threshold (short-circuit resistance): From 0 Ω to 2000 Ω. This function measures the resistance of the tested circuit with a current of 1mA and determines whether the circuit is connected.
Page 60 SDM4065A Series User Manual Set the short-circuit resistance (Threshold) Touch the Threshold on the screen menu and touch the pop-up value box to set the desired value through the pop-up numeric keypad. The range can be set to 0 to 2 k Ω, with a default value of 50 Ω.
Page 61: To Measure Diode
SDM4065A Series User Manual 7.2.9 To Measure Diode Test Current Source: 1 mA. Voltage Measurement Range: 0 V~4 V. Max Resolution: 10 μV. Input Protection: 1000 V input protection. Open-circuit Voltage: <8 V. This function measures the forward voltage drop on the diode. When the voltage is lower than Threshold, the buzzer sounds (if the buzzer is on).
Page 62 SDM4065A Series User Manual Set the Threshold Touch the Threshold on the screen menu and enter the desired value (threshold) in the pop-up menu. The range can be set to 0 to 4V, with a default value of 2V. Read the measurement value The multimeter screen displays the measured voltage value when the diode is connected;...
Page 63: To Measure Temperature
SDM4065A Series User Manual 7.2.10 To Measure Temperature The SDM4065A multimeter supports two types of temperature sensor measurements: RTD and thermocouple sensors. Operating Steps: Enable temperature measurement Press the Function button on the front panel and then touch the Temp on the screen, or touch Home >...
Page 64 SDM4065A Series User Manual Figure 7-21 Sensor type selection interface Select the Display Mode Touch the Display on the screen menu to select the display mode. The SDM4065A multimeter supports two display modes: Temp and All .The screen only displays temperature values if Temp is selected;...
Page 65 SDM4065A Series User Manual Figure 7-22 Temperature unit selection interface Set the relative value (optional operation) Touch Rel to enable or disable relative math function. When the function is enabled, the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set.
Page 66: User-Defined Sensor Measurement
SDM4065A Series User Manual 7.2.11 User-defined Sensor Measurement The sensor measurement function can convert the measured physical quantities (pressure, flow rate, temperature, etc.) into easily measurable physical quantities such as voltage, current, resistance, etc. for measurement. Users only need to input the response curve in advance, and the multimeter will use internal algorithms for numerical conversion and correction, ultimately displaying the measured physical quantity on the screen.
Page 67 SDM4065A Series User Manual Touch the Edit on the screen menu to enter the modification interface of the configuration file options, which allows you to modify the currently opened or stored sensor configuration file. Figure 7-24 Modification interface for configuration file options...
Page 68 SDM4065A Series User Manual Set the relative value (optional operation) Touch Rel to enable or disable relative math function. When the function is enabled, the reading displayed is a value which comes from the result of actual measurement value subtracts the relative value that has been set.
Page 69: Scanner Card
SDM4065A Series User Manual 7.2.12 Scanner Card After installing the scanner card according to "Scanner Card" chapter, press the Function button on the front panel of the multimeter, and then touch the Scanner on the screen to enter the Scanner Card function interface, as shown in the following figure:...
Page 70 SDM4065A Series User Manual Operation Steps Switch on the scanner function Touch Switch > ON to enable the scanner function, as shown in the following figure: Figure 7-26 Scanner function ON interface As shown in the above figure, the upper part of the interface displays the measurement function, range, and reading of the current scanning channel.
Page 71 SDM4065A Series User Manual Set the cycle mode Auto: After starting the scanning operation, the multimeter will continuously cycle through the  specified channels until the scanning operation is manually turned off. Man: By manually setting the number of scanning cycles, the range can be set from 1 to 999.
Page 72 SDM4065A Series User Manual Figure 7-28 Channel configuration interface The measurement functions with adjustable range include: DC/AC voltage (DCV/ACV), 2-wire/4- wire resistance (2WR/4WR), capacitance (Cap), frequency (Freq), period. Note: The 4-wire resistance(4WR) can only be selected in the first six channels, and after selection, the corresponding channel number plus 6 is set to off and cannot be modified.
Page 73 SDM4065A Series User Manual position changes to gray. The background color of the selected settings changes to green.  Set the selected parameters through the left/right directional buttons on the front panel or the  virtual keyboard that pops up on the screen; Save this setting, and the background color of the parameter area will change from green to gray.
Page 74 SDM4065A Series User Manual Press the Home button on the front panel or touch the Home menu on the screen to return to the main interface. Stop scanning Touch Switch > to disable the scanner function. If the Cycle is set to manual, the multimeter will automatically stop scanning after reaching the specified number of cycles.
Page 75: Dual-Display Function
SDM4065A Series User Manual Dual-display Function The Dual-display function is used to turn on two basic measurement functions, and observe the two measurement results at the same time, thus improve the test and measurement functions. For available combinations of Dual-display, refer to the Table 7-5, blank space indicates that the combination is not available.
Page 76 SDM4065A Series User Manual Operating Steps: Enable temperature measurement Press the Menu button on the front panel to enable the main display function, touch the Dual Function > Secondary on the screen to select the measurement function of secondary display. Then touch the Switch menu and set the status to "ON". When the second measurement function is enabled, touch the Swap Display on the screen to switch between the main/secondary display.
Page 77 SDM4065A Series User Manual Power Source Power Source Load Load Power Source Load Load Figure 7-31 Dual-display wiring example Instruction If different measurement functions are used in both Main and Secondary Display. The readings in both measurement functions will update alternately, and the relevant ...
Page 78: Utility Function
SDM4065A Series User Manual Utility Function The Utility function enables users to set up system parameters, interface parameters of the multimeters. Press Utility button on the front panel to enter the operating menu of Utility function, as shown in the following figure.
Page 79: Store/Recall
SDM4065A Series User Manual 7.4.1 Store/Recall The Store/Recall function enables users to store and recall the instrument state and data files in the local storage as well as in USB storage. Perform Utility > Save / Recall to enter the following figure.
Page 80 SDM4065A Series User Manual 7.4.1.1 Preset File Setting You can store system configuration (in the form of .xml) or measurement data (in the form of .csv) in internal memory or an external USB storage device and recall it when required. After entering the...
Page 81 SDM4065A Series User Manual Save the current state of the multimeter to the path of “/Local” with the file name “STATE_1.xml”. Select the path Touch Preset File Setting , choose the local path to save the dada, then touch Save .
Page 82 SDM4065A Series User Manual Select the file Select the file named “STATE_2.xml”, as shown in the following figure. Recall the file Touch Recall to recall the file. When the call is completed, a pop-up will prompt that the call was successful.
Page 83 SDM4065A Series User Manual 7.4.1.2 Power On After entering the Store/Recall operation menu, touch the Power On to configure the status of the multimeter when powered on. The power on mode can be set to Default, Last, or User. Default: Factory default settings. Except for individual parameters (such as language).
Page 84: File Manager
SDM4065A Series User Manual 7.4.2 File Manager The Manage File function enables users to create, save, copy, rename and delete files and folders in the local storage as well as in USB storage. After entering into the function menu of Utility, touch...
Page 85: I/O Configuration
SDM4065A Series User Manual Touch the Save Recall , Rename , Copy , Paste Delete Multi perform corresponding operations. Save: Save the current configuration file.  Recall: Load the file.  Rename: To rename a file or folder.  New: Create a folder. After selecting the path to generate the folder, touch New , then enter ...
Page 86 SDM4065A Series User Manual SDM4065A can be remotely controlled through the following two methods: User defined programming:  Users can program and control instruments through the Standard commands for Programmable Instruments (SCPI) command. For detailed instructions on commands and programming, please refer to the programming manual of this product.
Page 87 SDM4065A Series User Manual Configure network parameters After entering the I/O configuration menu, set the LAN to ON and touch LAN Setting to enter the interface shown below. You can set the IP address, subnet mask, and gateway. Figure 7-37 LAN setting interface...
Page 88 SDM4065A Series User Manual Please refer to the TCP/IP network protocol for relevant knowledge. The IP address, subnet mask, and gateway settings are saved in non-volatile memory. The  instrument will automatically load the relevant settings on the next boot.
Page 89 SDM4065A Series User Manual Figure 7-38 GPIB setting interface Remote communication with computers Open the Measurement & Automation Explorer software. Add GPIB devices. Open the remote command control panel, and you can send commands and read data through this panel.
Page 90: Test Manager
SDM4065A Series User Manual 7.4.4 Test Manager SDM4065A provides self-test functions, including Button Test, LCD Test and Buzz Test. Perform Utility > Test Manager enter the test manager interface, as shown in the following figure. Figure 7-39 Test manager interface...
Page 91 SDM4065A Series User Manual 7.4.4.1 Button Test Touch Button Test to enter the button test interface, as shown in the following figure. The graphic area on this interface represents the corresponding buttons and knob on the panel. Test all buttons and knob separately to see if they react correctly.
Page 92 SDM4065A Series User Manual 7.4.4.2 LCD Test Touch LCD Test to enter the LCD test interface. Press the Start button to start the test, and the entire screen will display in pure white first. Touch the screen and it will display in pure red, and prompt messages "Press screen to LCD test."...
Page 93: System Setup
SDM4065A Series User Manual 7.4.5 System Setup After entering the Utility function menu, touch System Setup to enter the system settings menu interface, as shown in the following figure. Figure 7-42 System setup interface Table 7-10 System setup function description...
Page 94 SDM4065A Series User Manual 7.4.5.1 Language The multimeter supports two kinds of languages: English and Chinese. Press Language to select the Language. All operation menus and help information are displayed in the selected language. 7.4.5.2 Calibration The multimeter provides two calibration modes: Factory and User .
Page 95 SDM4065A Series User Manual screen saver state and touch any position on the screen to exit the screen saver. 7.4.5.5 System Information Press System Info to view system information, including product name, software version, serial number, FPGA version, scope ID, hardware version, BKF version and start-up times, as shown in the following figure.
Page 96: Date Time Edit
SDM4065A Series User Manual 7.4.5.7 Buzzer Perform Buzzer > Off/On to enable or disable the buzzer. 7.4.6 Date Time Edit Touch the Date Time Edit menu, and in the pop-up setting interface, you can use the button corresponding to the parameters to adjust the values. After setting up, touch the OK button to save the current time setting, as shown in the following figure.
Page 97: Lxi
SDM4065A Series User Manual 7.4.7 LXI is a modular testing platform standard based on local area networks. LXI instrument is a new type of instrument strictly based on IEEE 802.3, TCP/IP, network bus, network browser, IVI-C0M driver, clock synchronization protocol (IEEE1588), and standard module size.
Page 98: Trigger And Acquire
SDM4065A Series User Manual Trigger and Acquire SDM4065A provides multiple acquire mode: Auto, Single, Ext, and Level. The multimeter can read one or a specified number of readings each time it receives a trigger signal, and the delay time between the trigger and the reading can be set.
Page 99: Acquire Mode
SDM4065A Series User Manual 7.5.2 Acquire Mode SDM4065A provides three acquire mode: Continue, Data Log, Digitize, as shown in the following figure. Figure 7-47 Acquire mode setting interface 7.5.2.1 Continue Mode Perform Acquire > Acquire > Continue to enable continuous sampling mode Continue mode is the default mode applicable to all functions of a digital multimeter.
Page 100 SDM4065A Series User Manual Set the trigger mode for sampling delay: Immediate Sample sampling orTimed sampling. Set the polarity of output pulse signal when sampling VMC Out Positive/Negative signal is finished. Save the current cached measurement readings to local Save Readings or external devices.
Page 101 SDM4065A Series User Manual Figure 7-48 Data Log interface Table 7-12 Data Log function menu description Function Menu Setting Description Acquire Continue/Data Log/Digitize Set the mode of acquire. Sample Interval Set the interval time for sampling. Duration Time/Rdg Set the sampling duration or number of readings.
Page 102 SDM4065A Series User Manual The longest data recording duration is 100 hours, and the shortest data recording duration is 1 second. When the selected mode is Rdg , you can enter a number of readings on the pop-up virtual ...
Page 103 SDM4065A Series User Manual 7.5.2.3 Digitize Mode Digitization refers to the process of converting continuous analog signals (such as sine waves) into a series of discrete samples (readings). The Digitize function can only be enabled from the menu bar on the display interface, and parameters can be quickly set on the Digitize function interface. This mode can only be used for DCV or DCI measurement functions.
Page 104 SDM4065A Series User Manual Operating Steps: Enable Digitize function Perform Acquire > Digitize to enable Digitize function, and " Digitize stopped " is displayed at the top of the screen. Touch Single Run/Stop to start data digitizing. After digitization, "Digitize Stopped " will be displayed at the top of the screen, and the interface will display information such as the number of readings and remaining sampling times.
Page 105 SDM4065A Series User Manual Perform Trigger Setting > Delay > Auto or Man to set the delay time automatically or manually. Frequency and Interval Setting When sampling the input signal, the sampling frequency (e.g. 50kHz) or sampling time interval (e.g.
Page 106: Trigger Source
SDM4065A Series User Manual 7.5.3 Trigger Source Touch Trg Src to set the trigger mode to automatic, single, external, or level, as shown in the following figure. Figure 7-50 Trigger setting interface 7.5.3.1 Trigger Mode Auto Trigger The instrument continuously measures, and once a measurement is completed, a new trigger will be automatically triggered, and the multimeter will obtain continuous readings.
Page 107 SDM4065A Series User Manual Level Trigger This mode applies to DCV/DCI/ACI/ACV/2WR/4WR measurement functions. Touch Level Setting and enter a desired level using the pop-up virtual keyboard, then touch Enter to enable the level. The multimeter will trigger on the positive or negative edge of the input signal when the input level passes through the specified trigger level and acquire measured data.
Page 108 SDM4065A Series User Manual 7.5.3.4 Set the Slope When the trigger source is set to Ext, the option Slope will appear in the menu. Select Neg or Pos to set the external triggering mode to either negative or positive edge triggering.
Page 109: Vmc Out
SDM4065A Series User Manual 7.5.4 VMC Out After data collection is completed, the instrument will output a pulse signal through the VM COMP interface on the rear panel. By touching the VMC Out , the polarity of the pulse signal can be set to positive or negative.
Page 110 SDM4065A Series User Manual Operating Steps: Select storage path Touch Browse to enter the file manager interface shown in the figure below. You can select the path on the screen, then touch the Select button to set the current selected path as the location for file storage and return to the higher-level interface.
Page 111 SDM4065A Series User Manual Add date Touch AddDate and then select Off or On . When On is selected, the saved file name displays the date the file was saved. When Off is selected, the saved file name does not displays the date the file was saved.
Page 112: Math Function
SDM4065A Series User Manual Math Function The Multimeter provides multiple math functions: Statistics, Limits, dB/dBm and Rel Value. Choose different math functions to meet different measurement demands. Different measurement functions can perform different mathematical operations, please refer to the table below:...
Page 113: Statistics
SDM4065A Series User Manual Table 7-15 Math function menu description Function Menu Description Reading statistic functions, including: Max, Min, Average, Span, Std Dev and Statistics Samples. Limits Execute Pass/Fail tests based on the set upper and lower limit parameters. The dB measurement is the difference between the input signal and a stored relative value.
Page 114 SDM4065A Series User Manual Table 7-16 Statistics function menu description Function Menu Setting Description Statistics OFF/ON Show or hide the statistics function interface. Clear Readings Clear all current readings and restart statistics. Done Save current settings and return to the higher-level menu.
Page 115: Limits
SDM4065A Series User Manual 7.6.2 Limits Limits function is available to prompt signals beyond ranges according to the upper and lower parameters. Measurement reading outside the range is displayed in red. Perform Menu > Math > Limits > ON to enter the interface shown below:...
Page 116 SDM4065A Series User Manual Table 7-19 Limits parameters description Parameters Description L Limits Lower limit value. H Limits Upper limit value. Status Status of Limits (Pass/Failure) L Failures Show the times that reading is lower than the lower limit. H Failures Show the times that reading is higher than the upper limit.
Page 117: Dbm
SDM4065A Series User Manual 7.6.3 dBm represents the absolute value of the power. The dBm operation calculates the power of the reference resistance according to the measured voltage. dBm = 10 × Log10[(Reading /�� )/0.001W] �� Where, Reading is the voltage measurement value, and R is the reference resistance Perform Menu >...
Page 118 SDM4065A Series User Manual 7.6.4 dB represents the relative value which is used in the relative operation of dBm value. When enabled, the multimeter calculates the dBm value of the next reading and subtracts the preset dB from this value and then displays the result.
Page 119: Relative Value
SDM4065A Series User Manual The range for setting the dB Ref Value is -200 dBm ~+200 dBm,and the default value is 0 dBm. The dB Ref Value can be manually entered as a specified value, or the current measured dBm value can be used as the relative value by touching Measure Relative Value .
Page 120: Display
SDM4065A Series User Manual Display 7.7.1 Number Perform Menu > Display > Number to enable the number display function as shown in the following figure. When the multimeter is powered on, the number display mode is enabled by default. Figure 7-57 Number display interface...
Page 121: Bar
SDM4065A Series User Manual 7.7.2 Perform Menu > Display > Bar to enable the bar display function as shown in the following figure. Figure 7-58 Bar display interface You can choose to set the horizontal scale by default or manually.
Page 122: Trend
SDM4065A Series User Manual 7.7.3 Trend Perform Menu > Display > Trend to enable the trend display function as shown in the following figure. In continuous measurement mode, the trend chart will display the data trend over a period of time. As shown in the following figure.
Page 123: Histogram
SDM4065A Series User Manual Default: Use the measurement range of the current gear as the vertical scale range of the trend  chart. Automatic: Continuously adjust the vertical scale based on the range of existing measurement  data. Manual: Enter the range of the vertical scale manually.
Page 124 SDM4065A Series User Manual Description of parameters displayed in the histogram: Taking the DC voltage measurement in the above figure as an example, describe the various parameters displayed on the interface.  +2.000041VDC -- Current measured value.  9.2K -- Number of samples with the highest bar shape, i.e. the maximum number of samples.
Page 125 SDM4065A Series User Manual 1001~5000 5001~10000 >10000 Manual: Manually set parameters such as the number of columns and horizontal scale range for column processing. After setting the Binning to manual, select Binning Setting to enter the interface shown in the following figure:...
Page 126: Probe Hold
SDM4065A Series User Manual 7.7.5 Probe Hold After enabling the probe hold function, when the multimeter measures a series of stable readings, the buzzer emits a beep (the buzzer is turned on) and records the measured values on the front panel display.
Page 127: Help System
SDM4065A Series User Manual Help System SDM4065A is equipped with a built-in help system. You can get help for every button on the front panel or menu by using the built-in help system, or you can get help about familiar operations in the help system interface.
Page 128: Measurement Tutorial
SDM4065A Series User Manual 8 Measurement Tutorial Loading Errors (DC Voltage) When the resistance of the Device Under Test (DUT) accounts for a significant proportion of the input resistance of the multimeter itself, measurement load errors will occur. The following figure shows the load error source.
Page 129: True Rms Ac Measurement
SDM4065A Series User Manual True RMS AC Measurement The AC measurement of SDM4065A has a true RMS response. The average thermal power of a resistor over a period of time is directly proportional to the square of the true RMS of the voltage applied to the resistor during this period, regardless of the waveform.
Page 130: Crest Factor Errors (Non-Sinusoidal Input)
SDM4065A Series User Manual Crest Factor Errors (Non-sinusoidal Input) A common misconception is that "since a Multimeter can measure the true RMS of signal, its sine wave accuracy specifications apply to all waveforms.". Actually, the shape of the input signal can dramatically affect measurement accuracy.
Page 131: Loading Errors (Ac Voltage)
SDM4065A Series User Manual Loading Errors (AC Voltage) In the AC Voltage function, the input of SDM4065A appears as a 1MΩ resistance in parallel with 100pF of capacitance. The test lead that you use to connect signals to the Multimeter will also add additional capacitance and loading.
Page 132: Troubleshooting
SDM4065A Series User Manual 9 Troubleshooting The commonly encountered failures and their solutions are listed below. When you encounter those problems, please solve them following the corresponding steps. If the problem remains still, please contact SIGLENT and provide your device information.
Page 133: Ordering Information
SDM4065A Series User Manual 10 Ordering Information Standard Configuration Quantity Power cord Test lead Alligator clip USB cable Quick start Warranty card Upper computer software Free download from official website Optional Configuration Applicable Model USB-GPIB adapter USB-GPIB 30 A splitter...
Page 134 SIGLENT has become the fastest growing manufacturer of digital oscilloscopes. We firmly believe that today SIGLENT is the best value in electronic test & measurement. Headquarters: SIGLENT Technologies Co., Ltd Add: Bldg No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao'an District, Shenzhen, 518101, China...

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