Vital Signs Monitor Service Manual Test and Maintenance
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4.3.2 Protective Earth Resistance
NOTE:
The circuit diagram is based on the Fluke 601Pro series safety analyzer.
This measures impendence of Protective Earth (PE) terminal to accessible metal part of Device
under test (DUT) which is protectively earthed. A current of 25A is passed for 5s to 10s through
the protective terminal and each accessible metal part which is protectively earthed.
Allowable value: without mains cable, maximum impendence: 100 mOhm
(IEC 60601-1 and UL60601-1)
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