Safety Testing
FM800Encore Service Manual
19
6.5
Patient Auxiliary Current
This test measures auxiliary current in accordance with IEC60601-1, Class1, Type CF
equipment. Patient auxiliary current is measured between each cable for all possible
connections.
Note
: Keep the patient test cable length as short as possible during the leakage test.
Note
: This test requires the same test cables for each patient connector as described in
‘Patient Leakage Current’ section 6.3.
1) Configure the electrical safety analyser as recommended by the analyser operating
instructions.
2) Connect the monitor’s AC plug to the electrical safety analyser as recommended by the
analyser operating instructions.
3) Turn on FM8x0Encore.
4) Perform the patient auxiliary current test per table below, as recommended by the analyser
operating instructions.
5) Repeat the patient auxiliary current test for each lead combination as listed in the table
below, and measure each patient auxiliary current.
Test Condition
Allowable Leakage
Current (
µ
A)
Normal Condition (NC)
10
SFC Open Supply (SFC OS)
50
SFC Open Earth (SFC OE)
50
Normal Condition RM (NCRM)
10
SFC Open Supply RM (SFC OSRM)
50
SFC Open Earth RM ( SFC OERM)
50
