Revision B3-16
Maintenance: Domestic Electrical Safety Tests
MAC 5000 resting ECG analysis system
2000657-002
Test #3
Patient-cable-leakage-to-ground
Test #4
Patient-cable-leakage-into-patient Leads-from 120 VAC
During this test, line voltage is applied to the patient cable connectors.
To prevent erroneous readings, do not allow the leadwires to contact
conductive materials such as metal handles, and do not place the
leadwires on the floor.
Meter
connectors
V
Gnd
1K
Rvs
Tester
Polarity
Norm
UUT
power
cord
Unit
under
test
(UUT)
Tester
power
cord
Line
Neutral
Gnd
Patient
cable connectors
Patient cable
Line
Neutral
“To be tested” power connector on back of
tester (may not be labeled on some testers).
M13052-03E
Meter
connectors
V
Gnd
1K
Rvs
Tester
Polarity
Norm
UUT
power
cord
Unit
under
test
(UUT)
Tester
power
cord
Line
Neutral
Gnd
Patient
cable connectors
Patient cable
Line
Neutral
“To be tested” power connector on back of
tester (may not be labeled on some testers).
M13052-04E
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