1. Manuals
  2. Brands
  3. SIGLENT TECHNOLOGIES Manuals
  4. Measuring Instruments
  5. SDM4055ASeries
  6. User manual

SIGLENT TECHNOLOGIES SDM4055ASeries User Manual

Digital multimeter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SDM4055A Series User Manual
SDM4055A Series
Digital Multimeter
User Manual
EN01A

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SDM4055ASeries and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for SIGLENT TECHNOLOGIES SDM4055ASeries

Summary of Contents for SIGLENT TECHNOLOGIES SDM4055ASeries

  • Page 1 SDM4055A Series User Manual SDM4055A Series Digital Multimeter User Manual EN01A...

  • Page 2: Table Of Contents

    SDM4055A 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 SDM4055A Series User Manual 7.2.1 To Measure DC Voltage ....................39 7.2.2 To Measure AC Voltage ....................41 7.2.3 To Measure DC Current ....................43 7.2.4 To Measure AC Current ....................45 7.2.5 To Measure Resistance ..................... 47 7.2.6 To Measure Capacitance ....................50 7.2.7 To Measure Frequency and Period .................
  • Page 4 SDM4055A Series User Manual 7.7.1 Number ..........................113 7.7.2 Bar ............................ 114 7.7.3 Trend ..........................115 7.7.4 Histogram ........................116 7.7.5 Probe Hold ........................119 Help System ..........................120 Measurement Tutorial ..................121 Loading Errors (DC Voltage) ....................121 True RMS AC Measurement ....................122 Crest Factor Errors (Non-sinusoidal Input) ................

  • 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

    SDM4055A 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. Use proper power line.
  • Page 7 SDM4055A 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. Antistatic protection.
  • Page 8 SDM4055A 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 or AC 100 V ~ 120 V 50/60 Hz, 30 VA MAX Mains Supply Voltage Fluctuations...
  • Page 9 SDM4055A 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 SDM4055A 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. SDM4055A is capable of making measurements with the HI and LO inputs connected to mains in such devices or the branch outlet itself.

  • Page 11: Safety Terms And Symbols

    SDM4055A 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

    SDM4055A 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. Cleaning: Please often clean the instrument and test leads according to the use of them.

  • Page 13: First Steps

    SDM4055A 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

    SDM4055A 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 Sdm4055A

    SDM4055A Series User Manual 5 Introduction of SDM4055A SDM4055A is a 5 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. SDM4055A holds a TFT-LCD display screen with 480*800 high resolutions.
  • Page 16 SDM4055A Series User Manual the upper computer.  Support recording and saving historical measurement results.  256 MB Nand Flash, supports storage of various types of files such as readings, images, and configuration files.  Provide Chinese and English menu, and built-in help system for easy information retrieval. ...

  • Page 17: Quick Start

    SDM4055A Series User Manual 6 Quick Start This chapter introduces the preparation work for using the SDM4055A 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

    SDM4055A Series User Manual Mechanical Dimension Front View Top View Unit: mm int.siglent.com...

  • Page 19: To Adjust The Handle

    SDM4055A 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 SDM4055A. Then rotate the handle to the appropriate position. Please operate as the following figure: Handle Adjustment Viewing Position Carrying Position...

  • Page 20: Front Panel

    SDM4055A Series User Manual Front Panel The SDM4055A 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 button to turn on/off the instrument.
  • Page 21 SDM4055A 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. System function menu button, which can set the system functions about Store/Recall, File Management, I/O Config, Test Management, System Setting and Date Time Edit.

  • Page 22: Rear Panel

    SDM4055A Series User Manual Rear Panel The rear panel of the SDM4055A 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. Note: A proper voltage scale must be first selected (through the Voltage Selector) before power connection.

  • Page 23: Start The Multimeter

    SDM4055A 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

    SDM4055A 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

    SDM4055A Series User Manual Measurement Connections SDM4055A 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) DC Current Measurement (DCI) AC Current Measurement (ACI) 2-Wire Resistance Measurement (2WR)
  • Page 26 SDM4055A 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

    SDM4055A Series User Manual Scanner Card The SDM4055A-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 No. of channels DCV, ACV 2 wires (H, L) 12 (CH1~CH12) (125 VAC, 110 VDC)
  • Page 28 SDM4055A 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. Insert the scanner card SC1016 into the body along the guide rail, and lock the two screws again.
  • Page 29 SDM4055A 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 2.2A.

  • Page 30: To Use The Built-In Help System

    SDM4055A 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, touch the Help button to enter the help system interface, and view the corresponding help information. The built-in help information is listed as the following: Basic measurement Math function...

  • Page 31: Front Panel Operations

    SDM4055A 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 32: Measurement Configuration

    SDM4055A 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 33: Range

    SDM4055A Series User Manual 7.1.1 Range SDM4055A 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 34: Measurement Speed

    SDM4055A Series User Manual 7.1.2 Measurement Speed SDM4055A can set the measurement speed to three modes: fast, medium, and slow, with corresponding speeds of 4800 rdgs/s, 50 rdgs/s, and 5 rdgs/s (0.01/1/10 PLC). When measuring DCV, DCI, ACV, ACI, 2WR, or 4WR, select the Speed in the menu to see the setting options, as shown in the following figure (using DCV measurement as an example).

  • Page 35: Dc Impedance

    SDM4055A 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 or 2 V, you can choose “10 GΩ” to reduce the loading error to the measured object caused by the multimeter.

  • Page 36: Threshold Resistance

    SDM4055A Series User Manual 7.1.4 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 37: Threshold Voltage

    SDM4055A Series User Manual 7.1.5 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 2 V and the setting is stored in nonvolatile memory.

  • Page 38: Gate Time

    SDM4055A Series User Manual 7.1.6 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 39: Basic Measurement Functions

    SDM4055A Series User Manual Basic Measurement Functions SDM4055A 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 40: To Measure Dc Voltage

    SDM4055A 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 41 SDM4055A Series User Manual to 110% of the current range and down to below 10% of the current range. Set measurement speed Touch Speed to select an speed for measurement. Choosing "Slow" provides the best noise suppression and resolution, but the measurement speed is the slowest. Specify the DC input impedance (Only for the ranges of 200 mV and 2 V) Touch Input Z to set the DC input impedance value.

  • Page 42: To Measure Ac Voltage

    SDM4055A 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 43 SDM4055A Series User Manual to 110% of the current range and down to below 10% of the current range. Set measurement speed Touch Speed to select an speed for measurement. Choosing "Slow" provides the best noise suppression and resolution, but the measurement speed is the slowest. Set the relative value (optional operation) Touch Rel to enable or disable relative math function.

  • Page 44: To Measure Dc Current

    SDM4055A 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 10 A range.
  • Page 45 SDM4055A Series User Manual to 110% of the current range and down to below 10% of the current range. Set measurement speed Touch Speed to select an speed for measurement. Choosing "Slow" provides the best noise suppression and resolution, but the measurement speed is the slowest. Set the relative value (optional operation) Touch Rel to enable or disable relative math function.

  • Page 46: To Measure Ac Current

    SDM4055A Series User Manual 7.2.4 To Measure AC Current Range: 20 mA, 200 mA, 2 A, 10 A. Max Resolution: 0.1 μA (in the range of 20 mA). Input Protection: A 10 A protection is available in all ranges and a 10% overrange for all ranges except 10 A range.
  • Page 47 SDM4055A Series User Manual to 110% of the current range and down to below 10% of the current range. Set measurement speed Touch Speed to select an speed for measurement. Choosing "Slow" provides the best noise suppression and resolution, but the measurement speed is the slowest. Set the relative value (optional operation) Touch Rel to enable or disable relative math function.

  • Page 48: To Measure Resistance

    SDM4055A 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 49 SDM4055A Series User Manual measurement interface, as shown in the following figure. Figure 7-12 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 50 SDM4055A Series User Manual Read the measurement value The multimeter measures the input signal according to 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 resistance measurement reading.

  • Page 51: To Measure Capacitance

    SDM4055A Series User Manual 7.2.6 To Measure Capacitance Range: 2 nF, 20 nF, 200 nF, 2 μF, 20 μF, 200 μF, 10 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 52 SDM4055A 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 53: To Measure Frequency And Period

    SDM4055A Series User Manual 7.2.7 To Measure Frequency and Period Frequency (Period) Range: From 20 Hz to 1 MHz (from 1 μs to 50 ms). Input Signal Range: 200 mV, 2 V, 20 V, 200 V, 750 V. Input Protection: A 750 V protection is available in all ranges. Operating Steps: Enable Freq/Period measurement Press the Function button on the front panel and then touch the Freq on the screen, or touch...
  • Page 54 SDM4055A Series User Manual Figure 7-15 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 55 SDM4055A 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 56: To Measure Continuity

    SDM4055A 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 57 SDM4055A 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 58: To Measure Diode

    SDM4055A 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 59 SDM4055A 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 4 V, with a default value of 2 V. Read the measurement value The multimeter screen displays the measured voltage value when the diode is connected;...

  • Page 60: To Measure Temperature

    SDM4055A Series User Manual 7.2.10 To Measure Temperature The SDM4055A 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 61 SDM4055A Series User Manual Figure 7-19 Sensor type selection interface Select the Display Mode Touch the Display on the screen menu to select the display mode. The SDM4055A multimeter supports two display modes: Temp and All .The screen only displays temperature values if Temp is selected;...
  • Page 62 SDM4055A Series User Manual Figure 7-20 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 63: User-Defined Sensor Measurement

    SDM4055A 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 64 SDM4055A 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 7-22 Modification interface for configuration file options Load configuration file Touch the Load on the screen menu to load the internal non-volatile storage space or sensor configuration files already stored in the USB drive.
  • Page 65 SDM4055A 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 66: Scanner Card

    SDM4055A 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: Figure 7-23 Scanner function interface Table 7-2 Scanner function menu description Function Menu...
  • Page 67 SDM4055A 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 7-24 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 68 SDM4055A 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 69 SDM4055A Series User Manual Figure 7-26 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 70 SDM4055A 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 71 SDM4055A 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 72: Dual-Display Function

    SDM4055A 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 73 SDM4055A 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 74 SDM4055A Series User Manual Power Source Power Source Load Load Power Source Load Load Figure 7-29 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 75: Utility Function

    SDM4055A 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. Figure 7-30 Utility function configuration interface Table 7-6 Utility function menu description Function Menu...

  • Page 76: Store/Recall

    SDM4055A 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 77 SDM4055A 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 Store/Recall operation menu, select the Preset File Setting to enter the settings interface as...
  • Page 78 SDM4055A 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 . Set the file type and filename In the interface shown below, select the type of file and enter the name “STATE_1.xml”...
  • Page 79 SDM4055A 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. int.siglent.com...
  • Page 80 SDM4055A 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 81: File Manager

    SDM4055A 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 Manage File to enter the manage file interface, as shown in the following figure.

  • Page 82: I/O Configuration

    SDM4055A 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 83 SDM4055A Series User Manual SDM4055A 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 84 SDM4055A 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 7-35 LAN setting interface Table 7-9 LAN settings description Item Description...
  • Page 85 SDM4055A 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. Remote communication with computers Open the "Measurement &...
  • Page 86 SDM4055A Series User Manual Figure 7-36 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. int.siglent.com...

  • Page 87: Test Manager

    SDM4055A Series User Manual 7.4.4 Test Manager SDM4055A 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 7-37 Test manager interface Table 7-10 Test manager function description Function Menu Description...
  • Page 88 SDM4055A Series User Manual Figure 7-38 Button test interface Operating instructions: Before pressing the button on the front panel, the background color of the button on the screen  is displayed as black; After pressing the button on the front panel, the corresponding button background color is ...
  • Page 89 SDM4055A Series User Manual Figure 7-39 LCD test interface Operating instructions: During testing, click on the screen to change the screen color, which includes three colors: red,  green, and blue; Double click on the screen to exit the test. ...

  • Page 90: System Setup

    SDM4055A 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 7-40 System setup interface Table 7-11 System setup function description Function Menu Description Language...
  • Page 91 SDM4055A Series User Manual 7.4.5.1 Language The multimeter supports two kinds of languages: English and Chinese. Touch 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 92 SDM4055A Series User Manual enters the screen saver state and touch any position on the screen to exit the screen saver. 7.4.5.5 System Information Touch 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 93: Date Time Edit

    SDM4055A 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 94: Lxi

    SDM4055A 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. Touch LXI menu to view the information about LXI.

  • Page 95: Trigger And Acquire

    SDM4055A Series User Manual Trigger and Acquire SDM4055A 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. Press Trigger button on the front panel to enter the operating menu of Acquire, as shown in the following figure.

  • Page 96: Acquire Mode

    SDM4055A Series User Manual 7.5.2 Acquire Mode SDM4055A provides two acquire mode: Continue and Data Log, as shown in the following figure. Figure 7-45 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 97 SDM4055A Series User Manual 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. Done Return to the higher-level menu. 7.5.2.2 Data Log Mode The Data Log mode supports recording a specified number of readings or readings collected during a specified time period to the instrument's memory or internal/external data files without programming and without connecting to a computer.
  • Page 98 SDM4055A Series User Manual Figure 7-46 Data Log interface Table 7-13 Data Log function menu description Function Menu Setting Description Acquire Continue/Data Log Set the mode of acquire. Sample Interval Set the interval time for sampling. Duration Time/Rdg Set the sampling duration or number of readings. Delay Time Set sampling delay time.
  • Page 99 SDM4055A 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  keyboard.

  • Page 100: Trigger Source

    SDM4055A 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 7-47 Trigger setting interface int.siglent.com...
  • Page 101 SDM4055A Series User Manual 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. In Auto trigger mode, "Auto Trigger" is displayed in the upper area of the multimeter display interface. Press Run/Stop button to stop triggering, and the interface will display "Stopped"...
  • Page 102 SDM4055A Series User Manual 7.5.3.3 Set the number of samples The multimeter will read a specified number of readings each time it receives a trigger signal. Touch Samples/Trigger and use the numeric keypad to set the desired number of readings. The range can be set from 1 to 10000, with a default value of 1.

  • Page 103: Vmc Out

    SDM4055A Series User Manual 7.5.3.5 Set the Level When the trigger source is set to Level, the option Level Setting will appear in the menu. You can use the numeric keypad to set the desired trigger level value. 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.

  • Page 104: Save Readings

    SDM4055A Series User Manual 7.5.5 Save Readings 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 105 SDM4055A Series User Manual Set file name Touch the "File Name" column on the interface, and you can set the file name in the pop-up virtual keyboard. After entering, touch the Enter key to close the virtual keyboard. Add date Touch AddDate and then select Off or On .

  • Page 106: Math Function

    SDM4055A 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: Table 7-14 Math function menu description Measurement Function Available Math Functions...

  • Page 107: Statistics

    SDM4055A 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 108 SDM4055A 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. Table 7-17 Statistics parameters description Parameters Description...

  • Page 109: Limits

    SDM4055A 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: Figure 7-50 Limits function menu interface Table 7-18 Limits function menu description Function Menu...
  • Page 110 SDM4055A 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 111: Dbm

    SDM4055A 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 112 SDM4055A 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. Reading ��...

  • Page 113: Relative Value

    SDM4055A 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 . 7.6.5 Relative Value When relative value function is enabled, the displayed reading on the screen is the difference...

  • Page 114: Display

    SDM4055A 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 7-54 Number display interface int.siglent.com...

  • Page 115: Bar

    SDM4055A Series User Manual 7.7.2 Perform Menu > Display > Bar to enable the bar display function as shown in the following figure. Figure 7-55 Bar display interface You can choose to set the horizontal scale by default or manually. Default: Use the measurement range of the current gear as the scale range of the bar chart.

  • Page 116: Trend

    SDM4055A 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. Figure 7-56 Trend display interface Table 7-23 Trend display function menu description Function Menu...

  • Page 117: Histogram

    SDM4055A Series User Manual Vertical range: You can choose to set the vertical scale by Default, Auto or 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 ...
  • Page 118 SDM4055A 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.  +1.00006VDC -- Current measured value.  59 -- Number of samples with the highest bar shape, i.e. the maximum number of samples. ...
  • Page 119 SDM4055A 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: Table 7-26 Grid setting function menu description Function Menu Setting...

  • Page 120: Probe Hold

    SDM4055A 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 121: Help System

    SDM4055A Series User Manual Help System SDM4055A 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 122: Measurement Tutorial

    SDM4055A 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 123: True Rms Ac Measurement

    SDM4055A Series User Manual True RMS AC Measurement The AC measurement of SDM4055A 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 124: Crest Factor Errors (Non-Sinusoidal Input)

    SDM4055A 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 125: Loading Errors (Ac Voltage)

    SDM4055A Series User Manual Loading Errors (AC Voltage) In the AC Voltage function, the input of SDM4055A appears as a 1 MΩ resistance in parallel with 100 pF of capacitance. The test lead that you use to connect signals to the Multimeter will also add additional capacitance and loading.

  • Page 126: Troubleshooting

    SDM4055A 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. If the screen is still dark with nothing displayed after pressing the power key.

  • Page 127: Ordering Information

    SDM4055A Series User Manual 10 Ordering Information Standard Configuratio Quantity Power cord Test lead Alligator clip USB cable Quick start Warranty card Upper computer software Free download from official website Optional Configuration Model USB-GPIB adapter USB-GPIB 30 A splitter SCD30A We suggest that the length of USB data wire and LAN cable connected to the instrument should be less than 3m to avoid affecting the product performance.
  • Page 128 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...

Table of Contents