GE Vivid in, Service Manual

Page: 731 / 740

GE H
EALTHCARE
D
IRECTION
FQ091013, R
EVISION
1 V
IVID
I
N AND
V
IVID Q
N S
ERVICE
M
ANUAL
Chapter 10 - Care and Maintenance 10-29
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 i n/ Vivid q N System Inspection Certificate (see page 10-34 ).
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 RA LA 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