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Related Manuals for UNI-T UT516B
Summary of Contents for UNI-T UT516B
- Page 1 UT516B Insulation Resistance Tester User Manual P/N:110401108715X...
- Page 2 UT516B User Manual Preface Thank you for purchasing the new UT516B insulation resistance tester. In order to use this product safely and correctly, please read this manual thoroughly, especially the Safety Instructions part. After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference.
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Page 3: Table Of Contents
UT516B User Manual 1. Overview The UT516B is a digital high voltage insulation resistance tester with 6 ranges: 500V, 1000V, 2500V, 5000V, Table of Contents 10000V and 12000V. Fine adjustment of voltage with 10% step at each range (except 12000V) is available. -
Page 4: Accessories
Warning wires, connectors or alligator clips to prevent electric shock. The UT516B is a 12kV digital high voltage insulation resistance tester. Please read the Safety Select correct output voltage before measurement. It is forbidden to change the voltage during measurement Instructions in detail. -
Page 5: Electrical Symbols
UT516B User Manual UT516B User Manual 6. External Structure (Picture 1) 5. Electrical Symbols Description Symbol Equipment protected throughout by DOUBLE EARTH: Input terminal INSULATION or REINFORCED INSULATION Insulation sampling for insulation sampling test lead (black) Earth (ground) Terminal test lead... -
Page 6: Indicators And Buttons
UT516B User Manual UT516B User Manual 7. Indicators and Buttons 7.1 Display Indicators Description Indicator Remark Analog bar Analog bar for insulation resistance Only for insulation measurement PC communication 0 level: Battery voltage <11.0V. Replace the batteries. 1 level: Battery voltage (11.0V~12.0V), for 500V\1000V... - Page 7 UT516B User Manual UT516B User Manual 7.2 Buttons (Picture 2, Picture 3) Switch to voltage measurement (automatic identification of AC/DC voltage) Short press the SET button to set system functions (short press the INSUL button to exit each setting interface): 1.
- Page 8 UT516B User Manual UT516B User Manual Insulation measurement: Select an output voltage range upwards. After measurement, short press the RECALL button to recall the stored measurement "Settings" function: Upward adjustment button data and the last saved data will be displayed by default. Short press the UP/DOWN button to scroll through other data.
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Page 9: Operating Instructions
Note: Do not insert the green or black test lead into the LINE terminal. This cannot enable measurement and may pose an electric shock. 8.2 Basic Measurement Operation 8.2.1 Starting up Press the POWER button to turn on the tester and the initialization interface with “UNI-T” logo will be displayed, as shown in Picture 4. Picture 5... - Page 10 UT516B User Manual UT516B User Manual 8.2.2 Measurement without Guard Terminal For most tests, only two test leads are used. Connect the red test probe and black alligator with the measured object as shown in Picture 6. Picture 7 Picture 6 8.2.3 Measurement Using Guard Terminal...
- Page 11 UT516B User Manual UT516B User Manual Note: Once the insulation measurement is started, the TEST button lights up red and the LCD displays the 8.2.4 Use of Guard Terminal in Ultra-High Resistance Test " " symbol. When the tester is powered by batteries instead of the power adapter, testing for high resistance above 100GΩ...
- Page 12 UT516B User Manual UT516B User Manual Note: Do not remove the test leads during discharge, otherwise the measured object will not be fully discharged and an electric shock will be posed. If the test leads are disconnected during discharge, reconnect the test leads to the measured object and continue the discharge.
- Page 13 UT516B User Manual UT516B User Manual 8.2.5 Voltage Measurement (Check of Power Failure) It takes longer time to test capacitive loads, and the display readings may gradually increase or become unstable. Press the DCV/ACV button to switch to voltage measurement, and connect the test leads as shown in When the TEST button is pressed right after the completion of a test, the next test may not be performed Picture 13.
- Page 14 UT516B User Manual UT516B User Manual 8.2.6 Test Settings Danger 1) Measurement Voltage Setting Do not measure in circuits with voltage above AC 750V or DC 1000V to avoid electric shock. When testing high-current devices (such as power cords), test in the secondary circuit of a circuit breaker to The step value and settable voltage range at each measuring range are as follows.
- Page 15 UT516B User Manual UT516B User Manual 3) Timing Measurement If the measured value is greater than the set value, it will be deemed a pass, and "PASS" will be displayed on Short press the TIMING button to turn on timing measurement and the LCD will display timing measurement, the screen, as shown in Picture 19.
- Page 16 UT516B User Manual UT516B User Manual When the measurement time reaches the set time of polarization index (PI), the tester will automatically 5) Automatic Measurement of Dielectric Absorption Ratio (DAR) and Polarization Index (PI) calculate and display the PI value.
- Page 17 UT516B User Manual UT516B User Manual 9. Specifications 9.1.2 Output Voltage 9.1 Electrical Specifications Rated Error limit: ± (a% of reading + b digits), 1 year guarantee period 500V 1000V 2500V 5000V 10000V 12000V voltage Ambient temperature: 23 °C±5 °C...
- Page 18 UT516B User Manual UT516B User Manual 9.2 Environmental Specifications Operating Altitude: 2000m 9.1.4 Current Measurement Operating temperature and humidity: -10°C~50°C, ≤85%RH (no condensation when operating with the Measuring range Effective test range of insulation resistance: 0.00nA~5.00mA power adapter); 0°C~40°C, ≤85%RH (no condensation when operating with batteries) Storage temperature and humidity: -20°C~60°C, ≤75%RH (no condensation)
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Page 19: Communication Function (Including Software)
“USB” symbol will appear in the upper left corner of the LCD. The data of the tester is available for USB communication now. Note: The power adapter is specially designed for UT516B. It cannot be replaced by other power adapters Run the PC software and click on the "Connect" option. Then the PC is available for USB communication as this may damage the tester or cause inaccurate measurement. -
Page 20: Test Probe Metal Parts And Replacement
UT516B User Manual UT516B User Manual 13. Maintenance 12. Test Probe Metal Parts and Replacement Standard metal tips for the metal part: Hook and straight types 13.1 General maintenance Hook type: Used in the hanging test and installed on the test probe when purchased Wipe the tester housing with a soft cloth or sponge wetted with clear water. - Page 21 UT516B User Manual UT516B User Manual The contents of this manual are subject to change without notice.