Welch Allyn 53 Service Manual page 33

Functional Verification
Warning The patient isolation test involves exposure to extremely high
voltages, and is therefore extremely hazardous.
Always follow the tester manufacturer's operation instructions exactly. Failure
to perform this test properly can result in serious injury or death.
This test must be performed by qualified service personnel only.
Run this test only on an insulated table top, and away from other people and
equipment.
To create test cables for the patient isolation test, see
Patient Isolation Test - Procedure
1. Set up the test parameters on the AC Withstand Voltage Tester as follows:
Refer to the tester manufacturer's operation manual for complete details on
setup and use.
Parameter
Voltage
Maximum Limit
Minimum Limit
Ramp Up
Dwell
Delay
Ramp Down
Arc Sense
Frequency
Continuity
Connect
To create test cables for this procedure, see
2. Connect the hi-pot DC input test cable between the HV output jack on the tester and the
DC input connector of the monitor.
Vital Signs Monitor Series 300
Specification
1500 Vac
2.50 mA
0.038 mA
5.0 S
5.0 S
0
0
0
local line (50 Hz or 60 Hz)
Off
Off
Functional Verification Procedure
page
page 34.
33
34.
Service Manual