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16. Must not bead the battery terminals.
17. Must not decompound the battery in any way.
18. Must not place the battery in microwave oven or pressure vessels.
19. Must not combine the battery with primary battery (such as dry battery) or battery with different capacity,
models and types.
20. Do not use the battery if it is smelling, hot, straining, discolored or with other abnormal phenomena and
remove it from the current consumer or electricity charger immediately and stop using it any longer.
21. Do deal carefully with the discarded battery according to local related waste handling regulations.
4.8 Instrument test and calibration
1. Check the leakage current of the device annually referring to the following data.
Test Items
Standard
Requirements
Continuous
leakage
current
under normal temperature (uA)
Leakage current to
Shell
Normal
≤
100
Single Malfunction
≤
500
Leakage current
to Patient
Normal
≤
100
Single Malfunction
≤
500
Dielectric endurance under normal temperature (V)
A- a
2
4000V/1min
No flashover
No breakdown
2. Test the software of obstetrics, area, and circumference measurement; please refer to Appendix D for detailed data.