MI 2142 AlphaPAT Measurements
22
Use and cursor keys to select the parameter you want to edit. Use and cursor
keys to adjust the selected parameter.
Press START key to perform measurement.
Examples of earth bond resistance measurement results
The measurement can be aborted by pressing START key at any time.
Actual result is shown on the display during measurement. After measurement time
period has elapsed the last measured value is displayed, and PASS or FAIL indication
appears on the display.
Press START key to repeat the test or press ESC key to return to the
Single test
menu
.
Note:
Consider any displayed warning before starting measurement!
6.2 Insulation
resistance
This test ensures that the resistances between mains terminals and protective
conductor of the appliance mains supply plug or each metal part of the appliance
housing are satisfactory and of sufficiently high value.
Test measurement parameters can be selected according to requirements.
6.2.1 Insulation resistance on class I appliances
For class I appliances insulation resistance is measured between short-circuited mains
terminals (L and N are shorted together in instrument) and protective conductor terminal
of the appliance mains supply plug.
CLASS
APPLIANCE
UNDER
TEST
I
Measurement of insulation resistance of class I appliance
