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TnP-500 User Manual Wavecom
TnP-500 Testing Menu – Main Menu A
Class 1 - Earthed Appliance Test - Menu A - F1
The Class 1 Test completes the following sequences as part of its procedure:
• Integrated Supply Mains Test - Refer to Integrated Test section
• Integrated NCNT Test - Refer to Integrated Test section
• Earth Bond Test (@ 200mA): 200mA test current, pass level less than 1Ω
• Insulation Test (@ 250V or 500V): pass level greater than 1MΩ
Note: 250V insulation testing applies to Class 1 appliances if selected (refer to Technical Information for details to change
test voltage).
In some situations, if the DUT is labelled with “Surge Protection Fitted” or if it contains MOV’s (Metal Oxide
Varistors), conduct a 250V-insulation test. If unsure refer to the AS/NZS 3760:2022 Standard. Should it still fail,
remove it from service. (Refer to the Technical Information section to change test voltage).
Note: Ensure that the device is isolated from any ground loop.
Procedure:
1. Complete a Visual Inspection (see page 22). If the device passed the Visual Inspection, continue with the
following instructions.
2. Plug device into appliance test socket.
3. Plug the IEC Clamp Cable into the IEC socket of the TnP-500
4. Connect earth clip to any exposed metal on the device. If this is not possible, you can use a metal mesh
braid to establish an earth connection (sold separately)
5. Navigate to Main Menu A, then Press the F1 key to begin the test
6. The test will be conducted
7. Once complete, read and record results appropriately
If the result was a PASS - Tag with PASS tag showing “next test due” date and return the device to service.
If the result was a FAIL - Tag the DUT with a DANGER tag and remove the device from service.
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