Patient (Sink) Leakage Current Tests - GE HEALTHCARE CARESCAPE Monitor B650 Technical Manual

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9. Read and record the current leakage indicated on the safety tester.
10. Configure the safety analyzer as follows (SFC):
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11. Read and record the current leakage indicated on the safety tester.
12. Configure the safety analyzer as follows (NC):
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13. Read and record the current leakage indicated on the safety tester.
14. Power off the device under test.
15. Repeat this test for all the connected parameter modules and patient connectors
specified in
Acceptance criteria in Normal Condition (NC):
• All readings shall be less than or equal to 10 μA.
Acceptance criteria in Single Fault Condition (SFC) – earth open or one of the supply conductors
open at a time:
• All readings shall be less than or equal to 50 μA.

8.2.9 Patient (sink) leakage current tests

This procedure measures the leakage current from an applied part connector of the device to
ground. Perform the test in Normal Condition (NC) with normal and reverse polarity.
NOTE: Refer to the instructions delivered with the safety analyzer to perform this test.
Polarity: REVERSED
Neutral: CLOSED
Earth (GND): OPEN
Polarity: REVERSED
Neutral: OPEN
Earth (GND): CLOSED
Polarity: REVERSED
Neutral: CLOSED
Earth (GND): CLOSED
Table 1.
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