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UNI-T UT3510+ User Manual
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UNI-T UT3510+ User Manual

UNI-T UT3510+ User Manual

Bench top micro ohm meter
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User's Manual
UT3510+ Bench Top Micro Ohm Meter
V1.0
August 2024

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Summary of Contents for UNI-T UT3510+

  • Page 1 User’s Manual UT3510+ Bench Top Micro Ohm Meter V1.0 August 2024...
  • Page 2 UNI-T, pay the shipping cost, and provide a copy of the purchase receipt of the original purchaser. If the product is shipped to the location of the UNI-T service center, UNI-T shall pay the return shipping fee. If the product is sent to any other location, the customer shall be responsible for all shipping, duties, taxes, and any other expenses.
  • Page 3 The information provided in this manual is subject to change without notice.  UNI-T shall not be liable for any errors that may be contained in this manual. For any incidental or  consequential damages arising out of the use or the information and deductive functions provided in this manual.

  • Page 4: Safety Requirements

    Users must follow the following conventional safety precautions in operation, service and maintenance of this device. UNI-T will not be liable for any personal safety and property loss caused by the user’s failure to follow the following safety precautions.
  • Page 5 User’s Manual UT3510+ Bench Top Micro Ohm Meter It indicates that you should be careful to avoid personal injury or Warning product damage. It indicates possible danger, which may cause damage to this device or other equipment if you fail to follow a certain procedure Caution or condition.
  • Page 6 User’s Manual UT3510+ Bench Top Micro Ohm Meter Certification CE indicates a registered trade mark of EU. Certification UKCA indicates a registered trade mark of UK. Certification ETL indicates a registered trade mark of Intertek. This product meets the requirements of Waste Electrical and Electronic Waste Equipment (WEEE) Directive 2002/96/EC.
  • Page 7 If this device may be faulty, please contact the authorized maintenance personnel Abnormality of UNI-T for testing. Any maintenance, adjustment or parts replacement must be done by the relevant personnel of UNI-T. Do not block the ventilation holes at the side and back of this device;...

  • Page 8: Inspection And Installation

    Before using the instrument, 1. Check the appearance whether is damaged or scratched; 2. Check the packing list if has loss. If the product is damaged or accessory is missing, please contact UNI-T sales department or distributor. 3.2 Power Requirements Supply Voltage: AC 100 V-240 V ...
  • Page 9 User’s Manual UT3510+ Bench Top Micro Ohm Meter to ensure measurement accuracy. If the instrument will not be used for an extended period, store it in its original packing box or a similar container. Store at between 0°C and 50°C with humidity ≤ 85% RH in a well-ventilated area free from corrosive gases and direct sunlight.
  • Page 10 The operating duration should not exceed 16 hours. 3.8 Use of Test Fixture Only use the test cable provided by UNI-T. Using user-made or other company’s test cables may result in incorrect measurement results. Keep the test cable and the pins of the DUT clean to ensure good contact between the DUT and the test cable.

  • Page 11: Product Overview

    User’s Manual UT3510+ Bench Top Micro Ohm Meter 4. Product Overview UT3510+ series Benchtop Micro Ohm Meter includes two models: UT3513+ and UT3516+. The product features 4.3-inch TFT LCD with high precision, high resolution, and high-speed measurement capabilities, boasting an accuracy of up to 0.05% and a high resolution of 1 μΩ. Both UT3513+ and UT3516+ are equipped with RS-232C/RS485, LAN, and HANDLER communication interfaces, supporting SCPI and MODBUS RTU protocols.
  • Page 12 User’s Manual UT3510+ Bench Top Micro Ohm Meter Open- Maximum Test circuit Fast Medium Slow Display Current Voltage on Test End 2Ω 2.2000 Ω 100 μΩ 0.8 % ± 5 0.5 % ± 5 0.2 % ± 5 10 mA <...

  • Page 13: Front And Rear Panel

    User’s Manual UT3510+ Bench Top Micro Ohm Meter 4.3 Main Features 4.3-inch TFT LCD  Accuracy of 0.05 %, with 22,000 reading  High resolution of 1 μΩ, with 4 1/2 digit display  UT3513+ measurement range: 1 μΩ--20 kΩ ...
  • Page 14 User’s Manual UT3510+ Bench Top Micro Ohm Meter Function Description Power Switch Turn on/off the Ohm Meter Functional keys (at the The function key changes according to the menu displayed on the screen. bottom of the screen) Test Terminals 4 test terminals: Source test terminals and Sense terminals Arrow Keys Move the cursor up, down, left, or right on the screen.
  • Page 15 User’s Manual UT3510+ Bench Top Micro Ohm Meter Function Description Power Socket Used to connect AC power. The Handler interface simplifies the setup of a test system for automated testing. Through this interface, the instrument outputs the Handler Interface results of BIN comparison result and the contact signal, while also receiving the “start”...
  • Page 16 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 5-5 Connect Wiring for Test Cable and Test Terminal Caution: Do not apply voltage at test terminal; otherwise, the instrument will be damaged. Do not directly connect the current source to the test terminal; otherwise, the instrument will be damaged.
  • Page 17 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 5-6 Short-circuit for Kelvin Test Clip Step 1 Set the Kelvin test clip to be cross-connected as shown in the figure above. Note: Connect the test clips so that ends with the ▲ symbol are together, and ends without the ▲...

  • Page 18: Display Page

    User’s Manual UT3510+ Bench Top Micro Ohm Meter Step 3 After zero clearing, the beeper will sound, and a prompt saying “Zero setting successfully!” will be displayed at the center of the screen. If the base number is too large during zero clearing, a prompt saying “Zero setting failed!” will be displayed. During zero clearing, the test end of the test clips with the ▲...
  • Page 19 User’s Manual UT3510+ Bench Top Micro Ohm Meter Handler: When the instrument receives a rising edge or falling edge pulse signal from the Handler on the rear panel, a measurement cycle will be performed. The instrument waits for another trigger signal in the meantime. Refer to the Handler 4.2 Rear Panel Interface in section The instrument is wait to trigger in other time.
  • Page 20 User’s Manual UT3510+ Bench Top Micro Ohm Meter Setting steps: Use the arrow keys to move the cursor to the item to be edited. Press the function key displayed at the bottom of the screen to select the desired parameter. 6.2 <Setup>...
  • Page 21 User’s Manual UT3510+ Bench Top Micro Ohm Meter ON: Enable bias compensation errors caused by the thermo-electromotive function force on the DUT. UT3513+ does not have the OVC function. R: Resistance T: Temperature LPR function supports low current and low MODE LRP: Low power voltage measurements to protect the DUT...
  • Page 22 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 6-3 PT1000 Temperature Sensor The instrument has a built-in temperature compensation circuit that compensates for measurement bias caused by the temperature variations. Connect the temperature compensation wire to the temperature compensation port on the instrument’s rear panel. TC (Temperature Correction) function: This function converts the resistance measured under the current ambient temperature to the resistance at a user-defined temperature.
  • Page 23 User’s Manual UT3510+ Bench Top Micro Ohm Meter : The difference between the internal temperature of the DUT and the ambient temperature ∆t R1: The initial resistance (in a cold state) when measured at t1, which can be set in the [INITIAL-RES] option.
  • Page 24 User’s Manual UT3510+ Bench Top Micro Ohm Meter alloy Silicon: 0.5 - 1.0 Soft aluminum Aluminum > 99.5 0.63 - 0.64 Hard-drawn Aluminum > 99.5 0.60 - 0.62 aluminum Aluminum alloy Silicon: 0.4 - 0.6 0.50 - 0.55 Magnesium: 0.4 - 0.5 Aluminum: 99.2 - 98.9 Table 6-2 Conductivity and Temperature Coefficient of Copper Wire...
  • Page 25 User’s Manual UT3510+ Bench Top Micro Ohm Meter Item Function Description LANGUAGE Simplified Chinese, English Set the system language ON: Enable the key beep Key Beep OFF: Disable the key beep DATE/TIME xxxx-xx-xx xx:xx:xx Set the data and time Remote control interface for REMOTE RS232, LAN, RS485 communication...
  • Page 26 User’s Manual UT3510+ Bench Top Micro Ohm Meter Use the numeric keypad to input the number. Press the function key displayed at the bottom of the screen to select the unit. Setting steps for Time/Date: Use the arrow keys to move the cursor to the item to be edited. Press the function key displayed at the bottom of the screen, and use the arrow keys to move the cursor to the item to be edited.
  • Page 27 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 6-5 <Setup> Page Item Function Description OFF: Disable the comparator. OFF; 1-BIN; 2-BIN; 3-BIN; 4-BIN; COMP 1-BIN, 2-BIN, -BIN, 4-BIN, 5-BIN, 6-BIN: Select 5-BIN; 6-BIN; the BIN, with a maximum of 6 BINs. OFF: Disable the beep PASS: The beep will sound when the result is BEEP...
  • Page 28 User’s Manual UT3510+ Bench Top Micro Ohm Meter Press the function key displayed at the bottom of the screen to select the desired parameter. Setting steps for NORMINAL/LOWER/UPPER: Use the arrow keys to move the cursor to the item to be edited. Use the numeric keypad to input the parameter.
  • Page 29 User’s Manual UT3510+ Bench Top Micro Ohm Meter % (Percentage deviation):  % = (X – Y) / Y×100[%] Here, X represents the measured value of the DUT, and Y represents the set nominal value. 6.5 File Management Press the [Setup] key to enter the <SETUP> page, then press the function key [CATALOG] key at the bottom of the screen to enter the <CATALOG>...
  • Page 30 User’s Manual UT3510+ Bench Top Micro Ohm Meter SETUP Return to the <Setup> page SYSTEM Return to the <SYSTEM CONFIG> CONFIG page SAVE Save all settings to the current file Load the parameters form the RECALL current file to the system Move the cursor to a specific file to perform “Save, ERASE Delete file data...
  • Page 31 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 6-9 Rename File 6.6 View Data The measurement display values can be manually saved (up to 500 sets of data can be stored) and quickly viewed on the instrument screen. Press the function key [Manual Save] at the bottom of the screen to manually save the data, press the key once to add a manual data saving, and click the function key [View Data] to browse the manually saved measurement data on the instrument screen.
  • Page 32 User’s Manual UT3510+ Bench Top Micro Ohm Meter Item Function Description SAVE TO USB Save the test data to a USB DISK Disk Browse data on the PAGE UP previous page Browse data on the next PAGE DOWN page CLEAR Clear data Use the numeric keypad to enter the specified Jump to any page to...
  • Page 33 User’s Manual UT3510+ Bench Top Micro Ohm Meter When using the Statistic function, the upper limit and lower limits for the statistics should be set. After the Record or Statistic function is selected, press the [Test] key to return to the <Test> page to use the Record or Statistic function.
  • Page 34 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 6-14 Statistic Process Figure 6-15 Statistic Completed Item Function START Start data statistics SAVE TO USB Save the cached data to a USB Disk DISK CLEAR BUFFER Clear the cached data STOP Stop data statistics Stop data statistics and save the...
  • Page 35 User’s Manual UT3510+ Bench Top Micro Ohm Meter 6.8 Save Data The size of the data cache can be set in advance to facilitate the user's later organization of the data. When data recording is on, data can be saved to a USB Disk at any time. Measurement data is saved in the file folder 'TEST DATA' in CSV format.
  • Page 36 User’s Manual UT3510+ Bench Top Micro Ohm Meter Setting steps for the cell format: Select a data and right-click to choose “Format Cells” Select “Custom” to change the display type to “yyyy/m/d”. Select “Scientific” notation and set the decimal places to 4. 6.9 Data Statistic - Capability Index of Process On the <System Config>...
  • Page 37 User’s Manual UT3510+ Bench Top Micro Ohm Meter n represents valid data: This refers to data that excludes overflow and open- circuit values, encompassing all digitally displayable values on the screen. Hi and Lo variables in Cp and CpK formulas: These represent the actual upper and lower limit values of the comparator.

  • Page 38: Handler Interface

    User’s Manual UT3510+ Bench Top Micro Ohm Meter 7. Handler Interface 7.1 Handler Introduction UT3510+ series provides a Handler interface to output the instrument’s sorting results. When the instrument is used in an automatic component sorting test system, this interface provides the contact signals with the system and the output signals of sorting results.
  • Page 39 User’s Manual UT3510+ Bench Top Micro Ohm Meter 7.2 Handler Operation 7.2.1 Signal Wire Definition HANDLER interface provides three types of signals: compare signal output, control input signal, and control output signal.  Compare Signal Output: /BIN1，/BIN2，/BIN3，/BIN4，/BIN5，/BIN6，and /NG. Refer to Figure 7-1 for the compare signal output ...
  • Page 40 User’s Manual UT3510+ Bench Top Micro Ohm Meter Table 7-2 Pin Definition of Handler Interface Pin Number Signal Name Description /BIN1 /BIN2 /BIN3 /BIN4 BIN sorting results output /BIN5 /BIN6 /EOM (End Of Measurement): The signal is active when the measurement data and /EOM compare results are active.
  • Page 41 User’s Manual UT3510+ Bench Top Micro Ohm Meter The /TRIG signal is the start signal, which can be triggered by either a rising edge or a falling edge, with a minimum pulse width of 1 ms. A level trigger signal can only be measured once; if it remains at a low level, it can only be measured once.
  • Page 42 User’s Manual UT3510+ Bench Top Micro Ohm Meter 7.2.5 Schematic Diagram for Output Terminal Figure 7-5 Schematic Diagram for Output Terminal 7.2.6 Circuit Connection for Input Circuit Figure 7-6 Circuit Connection for Connected with Switch Figure 7-7 Circuit Connection of Relay Control Instruments.uni-trend.com 42 / 49...
  • Page 43 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 7-8 Circuit Connection for Negative Common Terminal of PLC Control Figure 7-9 Circuit Connection for Positive Common Terminal of PLC Control 7.2.7 Circuit Connection for Output Circuit Figure 7-10 Circuit Connection for Control Relay Instruments.uni-trend.com 43 / 49...
  • Page 44 User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 7-11 Circuit Connection for Control Diode or Photoelectric Coupler Figure 7-12 Circuit Connection for Negative Logic Output Figure 7-13 Circuit Connection for Two Output Combined Logic or Circuit Instruments.uni-trend.com 44 / 49...

  • Page 45: Remote Communication

    User’s Manual UT3510+ Bench Top Micro Ohm Meter Figure 7-14 Circuit Connection for Output to Negative Common Terminal of PLC Control Figure 7-15 Circuit Connection for Output to Positive Common Terminal of PLC Control 8. Remote Communication 8.1 RS-232C Introduction RS-232 is a widely used serial communication standard, also known as the asynchronous serial communication standard.
  • Page 46 User’s Manual UT3510+ Bench Top Micro Ohm Meter Signal Symbol Pin Number of 25-core Pin Number of 9- Connector core Connector Request to send Clear to send Data set ready Data carrier detect Data terminal ready Transmit data Receive data Ground 8.2 Serial Interface 8.2.1 RS232C Interface...
  • Page 47 User’s Manual UT3510+ Bench Top Micro Ohm Meter Table 8-3 RS485 Serial Pin Interface Symbol Pin Number of 9-core Connector Caution: To avoid electrical shock, switch off the instrument when plugging or unplugging connectors. Do not short the output terminals or the chassis to avoid damaging the device.
  • Page 48 User’s Manual UT3510+ Bench Top Micro Ohm Meter 8.5 LAN Interface Setting Figure 8-3 Rear View of LAN Connector Connect the LAN cable into the instrument’s LAN connector. Green LED ON: Indicates the connection is established. Blinking: Indicates data is being communicated. Orange LED OFF: 10M BASE-T ON: 100M BASE-TX...
  • Page 49 If the product is proven to be defective within this period, UNI-T will repair or replace the product in accordance with the detailed provisions of the warranty.