Operation Manual

GMC-I Messtechnik GmbH 25
I
P
Patient Leakage Current
Sequence
Ð Select the test: ↑↓ keys.
Ð Connect the device under test to the test socket, and the
applied parts to the patient ports. The test probe has to be
connected but without applying electrical contact (potential-
free).
Ð Select mains polarity reversal: L/N / N/L key.
Ð Select applied parts A through K: → key.
Ð Start the test: Press the START⏐STOP key.
Ð Measured values are displayed.
Ð End the test: Press the START⏐STOP key.
Ð Read the measured value and compare it with the table of
permissible limit values.
Examples of Maximum Permissible Limit Values for Patient Leakage
Current in mA
Test Standard
I
P
Type B Type BF Type CF
NCSFCNCSFCNCSFC
EN 60601
DC 0.01 0.05 0.01 0.05 0.01 0.05
AC 0.1 0.5 0.1 0.5 0.01 0.05
IEC 60601 3rd ed.
Total Patient
Leakage Current
DC 0.05 0.1 0.05 0.1 0.05 0.1
AC 0.5 1 0.5 1 0.05 0.1