Read the measurement result on the display
If the voltage exceeds 300V, In this instance, immediately
disconnect the measurement instrument from UUT.
The tester only used in 10% -15% (50Hz).
Measuring and testing the differentials
Selection of the differential type and measurement type:
Before testing an RDD, you must select the characteristics
on the display (sensitivity, delayed or not) together with
the type of test that you are required to perform (trip time
or current).
You make the selections by pressing the buttons under
each columns. The characteristics are selected one after
the other and are outlined by a rectangle
Comment: The selection can be made with the appliance
unconnected (switch on the appliance in this case) or
connected to the socket (the appliance then switches on
automatically).
1 –Selecting the RDD sensibility:
Use the second navigation button to select the appropriate
sensitivity I
△
n (assigned current for differential trip):
