Installation Quality Checks
7-3
5. Electric safety test
Confirm whether the safety tests are required.
The safety tests shall be performed if required by legal regulations or customers.
□ Required by legal regulations
□ Required by customers
□ Not required
A. Protective grounding impedance
Turn off the power of the main unit when performing measurements.
Table 7-5 Installation Quality Check Sheet 5
No Item (method) Standard Result
[working status]
1 From the equipotential
terminal to the bigger
fixing screw of the
transducer hanger.
refer to IEC 60601; less than
0.1 Ω
refer to local regulations; less
than
Ώ
[ ] Ω
2 From the bigger fixing
screw of the transducer
hanger to the grounding
terminal of three-wire
power cable socket.
refer to IEC 60601; less than
0.1 Ω
refer to local regulations; less
than
Ώ
[ ] Ω
B. Ground leakage current
Turn on the power of the main unit when performing measurements.
Table 7-6 Installation Quality Check Sheet 6
No Item (method) Standard Result
[working status]
1 Insert the three-wire
power cable into the
power outlet of the
safety tester.
normal status
0.5mA or less
normal status
[ ] mA
C. Enclosure leakage current
Turn on the power of the main unit when performing measurements.
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