USG-400
ISSUE1 6-5 Safety check
(4) Place the probe tip of SONICBEAT instrument in water.
(5) Turn on the power switch of USG-400, and then measure the leak current when the
SONICBEAT is activating at level 3( either handswitch can be used)
1-5 Leakage current criteria
Criteria
No Mode
Normal condition Single fault condition
1 Ground leakage current 500μA 1000μA
2 Enclosure leakage current 100μA
500μA(others)
300μA(UL Deviation)
3 Patient leakage current 10μA 50μA
USG-400
Leakage current measuring
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