Appliance Testing - Megger PAT32 Serie Guide De L'utilisateur

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Appliance Testing

Preliminary Testing Procedure
1. Plug the PAT32 into the 230 V mains
power supply, and switch the supply on. Full
screen details are displayed, and a self check is
carried out. On completion, the 'Home' screen is
displayed.
2. Determine the Class / type of the appliance to
be tested.
Class I – Earthed appliance
Class II – Double insulated appliance
Class III - S.E.L.V appliance
3. Plug the appliance into the appropriate socket
on the instrument front panel and switch the
appliance On.
10
Appliance Testing Procedure
If fault(s) are indicated, cease testing and
rectify. Re-commence testing from the
start of the test sequence.
Tests must follow the given sequence
Circuit Test
1. Press and hold the Circuit Test switch. The
Circuit screen is displayed.
2. Phase to Neutral resistance is displayed
directly in k .
Note:- Readings of approximately 0,01 kΩ can be
expected from appliances incorporating large wound
components such as large transformers and motors.
Heating appliances may give readings of approximately
0,02 kΩ.
3. Release the Test switch.