GE RAFT VOLUSON™ P8 / VOLUSON™ P6
DIRECTION 5723243, R
EVISION 6 DRAFT (MAY 23, 2018) BASIC SERVICE MANUAL
10-26 Section 10-8 - Electrical Safety Tests
Neutral : White
Ground : Green or Green-yellow
ii) Others
Hot : Brown
Neutral : Blue
Ground : Green-yellow
Table 10-25 Typical Data Sheet for Type CF Patient Leakage Current Test - ECG
Leads
10-8-8 Type BF Patient Leakage Current Test - Probe
10-8-8-1 Definition
This test measures the current that would flow to ground from any of the probes through a patient who
is being scanned and becomes grounded by touching some other grounded surface.
NOTE: Some leakage current is expected on each probe, depending on its design. Small variations in probe
leakage currents are normal from probe to probe. Other variations will result from differences in line
voltage and test lead placement.
It is abnormal if no leakage current is measured. If no leakage current is detected, check the
configuration of the test equipment.
Tester Neutral Tester Polarity Switch Ground Switch
Measured Earth Leakage
Current
Closed Normal Closed
Closed Normal Open
Closed Reversed Closed
Closed Reversed Open
Open Normal Closed
Open Reversed Closed
!! CAUTION:
Equipment damage possibility. Never switch the Polarity and the status of Neutral when the unit
is powered ON. Be sure to turn the unit power OFF before switching them using the POLARITY
switch and/or the NEUTRAL switch. Otherwise, the unit may be damaged.
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