GE MEDICAL SYSTEMS
D
IRECTION FK091075, REVISION 04 VIVID 3N PRO/EXPERT SERVICE MANUAL
10-26 Section 10-7 - Electrical Safety Tests
10-7-8-1 Data Sheet for ECG Current Leakage
The test passes when all readings measure less than the values shown in the tables below. Record all
data on the Vivid 3N Preventative Maintenance Inspection Certificate (see page 10-31).
Table 10-18 Maximum Allowance Limit for ECG Lead Leakage Test to Ground
AC Power
Source
Maximum
Allowance Limit
GROUND
OPEN
GROUND
CLOSED
Patient Lead-to-Ground Current Leakage Test
and
Patient Lead-to-Lead Current Leakage Test
115V 10uA 10uA
220/240V 500uA 10uA
Table 10-19 Maximum Allowance Limit for ECG Lead Isolation Sink Test
AC Power
Source
Maximum
Allowance Limit
Patient Lead Isolation Current Test
115V 20uA
220/240V 5mA
Table 10-20 Typical Data Sheet for ECG Lead-to-Lead Test
ECG
Power
Tester
Polarity
Switch
Tester
Ground
Switch
Tester Lead Selector
RL
(N)
RA
(R)
LA
(L) LL C
ON NORM CLOSED
ON REVERSE CLOSED
ON NORM OPEN
ON REVERSE OPEN
OFF NORM CLOSED
OFF REVERSE CLOSED
OFF NORM OPEN
OFF REVERSE OPEN
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