GE Voluson 730 Service Manual page 255

GE M S - K
EDICAL YSTEMS
D 105844, R
IRECTION EVISION
10-7-5-3 Data Sheet for Chassis Source Leakage Current
The test passes when all readings measure less than the value shown in
on the PM Inspection Certificate.
Table 10-14 Typical Data Sheet for Chassis Source Leakage Current
Unit Power
ON
ON
ON
ON
OFF
OFF
OFF
OFF
10-7-6
Isolated Patient Lead (Source) Leakage–Lead to Ground
10-7-6-1 Definition
This test measures the current which would flow to ground from any of the isolated ECG leads. The
meter simulates a patient who is connected to the monitoring equipment and is grounded by touching
some other grounded surface. Measurements should be made with the ground open and closed, with
power line polarity normal and reversed, and with the ultrasound console Off and On. For each
combination the operating controls, such as the lead switch, should be operated to find the worst case
condition.
Equipment damage possibility. Never switch the Polarity when the unit is powered ON. Be sure
CAUTION
to turn the unit power OFF before switching the polarity using the POLARITY switch. Otherwise,
the unit may be damaged.
U
RETZTECHNIK LTRASOUND
1
Tester Neutral
Tester Polarity
Switch
Enter Name of tested peripheral here:
NORM
NORM
REV
REV
NORM
NORM
REV
REV
Chapter 10 Periodic Maintenance
Test 1
or Ground Probe
Switch Connector
OPEN
CLOSED
OPEN
CLOSED
OPEN
CLOSED
OPEN
CLOSED
V ® 730 S
OLUSON
Table 10-11. Record all data
Test 2 Test 3 Optional
Wheel CRT Test 4
M
ERVICE ANUAL
Optional
Test 5
10-17