Revision:1.0(2023-01-12)
445
□
Regular check Test items: 1, 2, and 3
□
Maintenance without disassembly Test items: 1, 2, and 3
□
Maintenance with disassembly but not
modifying the power part (including the
transformer or patient circuit board)
Test items: 1, 2, 3, 4, and 5
□
Maintenance with disassembly and modifying
the power part (including the transformer or
patient circuit board)
Test items: 1, 2, 3, 4, 5, 6, 7, and 8
Position Engineer
Device Code
Manufacturer Model Serial number
Measurement device/SN Calibration date
Inspection and Test Pass/Fail/
NA
Remarks
1 Power cord plug
2 Device shell and accessories
3 Device labeling
4 Protection
ground
impedance
Ω Limit: 0.2 Ω
5 Earth leakage
current
Normal condition
(NC)
____μA Limit
NC: 500μA
SFC: 1000μA
Single fault
condition (SFC)
____μA
6* Patient leakage
current
Normal condition
(NC)
□BF____μA Limit
BF application
type
NC: 100μA
SFC: 500μA
Single fault
condition (SFC)
□BF____μA
7* Patient leakage current test under the
condition of applied parts plus mains
voltage
□BF____μA Limit
BF application
type
5000μA
8* Patient auxiliary
current
Normal condition
(NC)
□BF____μA Limit
NC: 100μA
SFC: 500μA
Single fault
condition (SFC)
□BF____μA
Diagnostic Ultrasound System
Service Manual
9 Appendix
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