GE Voluson P6 Service Manual page 540

GE H DRAFT
EALTHCARE
DIRECTION 5459672-100, R
Tester Neutral
10-8-12 Total Patient leakage current : Type CF probe to ground(Only for Europe)
10-8-12-1 Definition
This test measures the current that would flow to ground from all ECG leads through a patient who is
being scanned and becomes grounded by touching some other grounded surface.
Equipment damage possibility. Never switch the Polarity and the status of Neutral when the unit
CAUTION
is powered ON. Be sure to turn the unit power OFF before switching them using the POLARITY
!! CAUTION: switch and/or the NEUTRAL switch. Otherwise, the unit may be damaged.
10-8-12-2 Generic Procedure for measurement
Put all ECG leads into saline water and measure leakage current with the ground open and closed, with
power line polarity normal and reversed, and with neutral open and closed. For each combination, ECG
leads must be active simultaneously. Please, refer to "Type CF Patient Leakage Current Test - ECG
Leads" part for detail.
Table 10-30 Typical Data Sheet for Total Patient Leakage Current - Type CF probes to ground
Tester Neutral
6 DRAFT (J
EVISION
Tester Polarity Switch
Closed Reversed
Tester Polarity Switch
Closed Normal
Closed Normal
Closed Reversed
Closed Reversed
Open Normal
Open Reversed
Chapter 10 - Care & Maintenance
17, 2013)
ANUARY
Ground Switch
Closed
Ground Switch
Closed
Open
Closed
Open
Closed
Closed
V ® P8 / V
OLUSON OLUSON
P S
ROPRIETARY ERVICE
Measured Leakage
Current
Measured Leakage Current
® P6
M
ANUAL
10-29