Siemens Polymobil 10 Maintenance Manual page 36

3 - 4
Measuring circuit
Direct measurement.
Fig. 2 Measuring circuit for the direct measurement of the system
leakage current according to DIN VDE 0751-1:2001-10, Fig. C5
I
for protective class
1 = System
2 = Application part (if present)
3 = Measuring arrangement (integrated in the measuring instrument)
Differential measurement
Fig. 3 Measuring circuit for the measurement of the system leakage current
according to the differential current method
complying with DIN VDE 0751-1:2001-10, Fig. C6
I
for protective class
1 = System
2 = Application part (if present)
3 = Measuring arrangement (integrated in the measuring instrument)
Polymobil 10
.
.
Electrical safety/reports
RXR8-120.101.01
Rev. 05 07.05
Page 4 of 6
CS PS 24
Siemens AG
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