GE Corometrics 170 Series Service Manual page 214

Patient-to-Line Leakage for US2
9-12
Maintenance: Preventative Maintenance Inspection
1. Connect an ultrasound test body to the monitor's front panel
2. Configure a leakage tester to perform a line leakage test.
3. Turn ON the monitor using the monitor's
4. Verify the following:
<50 µA
(132–253 VAC, or at the line voltage at your facility +10%)
5. Record the patient-to-line leakage for the following conditions:
Table 9-5. Patient-to-Line Leakage Conditions for US2
Neutral
__________ Closed
__________ Closed
__________ Open
__________ Open
170 Series Monitor
2000947-004
button.
On/Standby
Ground
__________ Closed __________ Normal
__________ Closed __________ Reversed
__________ Closed __________ Normal
__________ Closed __________ Reversed
input.
US2
Power (Polarity)
Revision C