1652C/1653B/1654B
Users Manual
Operating the Tester
Using the Rotary Switch
Use the rotary switch (Figure 1 and Table 4) to select the type of test you want
to perform.
1
10
Number
6
2
3
9
Figure 1. Rotary Switch
Table 4. Rotary Switch
Symbol
V
Volts.
Insulation resistance.
Continuity.
Loop impedance — No trip mode.
Loop impedance — Hi current trip mode.
RCD tripping time.
RCD tripping level.
Earth resistance.
Phase rotation.
N/A
Rotary switch.
4
NO TRIP
TRIP
7
8
Measurement Function
5
6
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