GE HEALTHCARE CARESCAPE Monitor B450, Technical Manual

Page: 117 / 236

Installation checkout
109
2062973-003
−
Polarity: REVERSED
− Neutral: CLOSED
−
Earth (GND): OPEN
9. Read and record the current leakage indicated on the safety tester.
10. Configure the safety analyzer as follows (SFC):
− Polarity: REVERSED
−
Neutral: OPEN
− Earth (GND): CLOSED
11. Read and record the current leakage indicated on the safety tester.
12. Configure the safety analyzer as follows (NC):
−
Polarity: REVERSED
− Neutral: CLOSED
−
Earth (GND): CLOSED
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 Table 1 .
Acceptance criteria in Normal Condition (NC):
•
All readings shall be less than or equal to 10
μ
A.
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 μ A.
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.