User Manual Q&AAnswer
Jan 26, 2025 - 09:20 PM
To test the insulation resistance using the HTC INSTRUMENTS 6350-IN Digital Insulation Resistance Tester, follow these steps:
1. Connect the red test lead to the "L" socket of the instrument and the black test lead with the flat crocodile clamp to the "E" socket of the instrument.
2. If necessary, insert another black wire with a small crocodile clamp into the "G" socket. This clamp should be connected to the earth wire to eliminate measurement errors caused by leak current on the surface of the product.
3. Select the test voltage you need by turning the function rotatory selector to the relevant voltage class.
4. Connect the other terminal of the wire to the object under test.
5. Press the "Test/Stop" button. The red LED indicator will turn on, indicating the high voltage generated.
6. The LCD of the instrument will display readings, which represent the insulation resistance of the object under test. If the resistance is greater than the maximum range, the LCD will display "l".
7. When the test is complete, press the "Test/Stop" button to turn off the high voltage. Set the function range selector to the "OFF" position, and the LCD will display nothing.
8. For capacitive loads, make sure to discharge any residual charges in the object under test before removing the test wire.
Please refer to the instruction manual for more detailed information and safety precautions.
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