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Philips 862478 User Manual

Page 90

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Patient Safety Tests

4-40

Testing the Monitor

What to record on this service record:

S(1): P or S(1): F

Figure 4-1 Safety Test Diagram - Protective Earth

Test or Inspection to Perform

Measures impedance of Protective Earth (PE) terminal to all exposed metal parts of IUT,
which are for safety reasons connected to the Protective Earth (PE). Max. 100 mOhm. Test
current 25 Amps applied for 5 to 10 seconds. We recommend to flex the main cable during
the test in order to identify potential bad contact or damage of the earth wire. Safety test
according to EN60601-1 (Clause 18).
Report largest value.

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