Isolated Patient Lead (Source) Leakage-Lead To Lead - GE Voluson E Series Service Manual

10.6.7 Isolated Patient Lead (Source) Leakage-Lead to Lead

This test is also known as Patient Auxiliary Current.
Select and test each of the ECG lead positions (except ALL) on the LEAD selector, testing each to the power
and ground condition combinations found in:
•
Table 10-10 on page 10-11
Record the highest leakage current measured.
10.6.7.1 Lead to Lead Leakage Test Record
Table 10-15
shows a typical format for recording the patient lead to lead leakage current.
Measurements should be recorded from each lead combination under each set of test conditions specified
in:
•
Table 10-10 on page 10-11
Record all data and keep the record of the results with other hard copies of maintenance data.
1. Connect the Safety analyzer to an AC wall outlet.
2. Plug the equipment under test into the receptacle on the panel of the meter.
3. Connect the ECG cable to the Voluson E-Series system and the patient leads to the analyzer.
4. Select the "Patient Lead Leakage" function on the meter.
5. Test opening and closing the ground with the Voluson E-Series system on and off.
Note For more information, refer to the safety analyzer's user manual that will be used to perform the test.
Table 10-15 Typical Data Format for recording Patient Lead to Lead Leakage
Unit under Test:
Test Conditions
System Power
off
off
on
on
off closed (reversed polarity)
off open (reversed polarity)
on closed (reversed polarity)
on open (reversed polarity)
Values in italics font are given as examples only.
Note
Voluson E-Series Service Manual
5539550APB Revision 6
, as applicable.
, as applicable.
Grounding/PE Limit μA
closed 10
open 50
closed 10
open 50
10
50
10
50
Date of Test:
Patient Lead or Combination Measured
RA to LA LA to LL
Care and Maintenance
LL to RA (RA+LA+LL) to
GND
10-17