4-10 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Maintenance: Electrical Safety Tests
Packaging Material
Retain original packaging materials for future use in storing or shipping the monitor
and accessories. This recommendation includes corrugated shippers and inserts.
Whenever possible recycle the packaging of accessories and patient applied parts.
Monitor
At the end of its service life, the product described in this manual, as well as its
accessories, must be disposed of in compliance with the guidelines regulating the
disposal of such products. If you have questions concerning disposal of the product,
please contact GE Medical Systems Information Technologies or its representatives.
Electrical Safety Tests
Refer to the “Preventative Maintenance Inspection Report” on page 4-55 for
required tools to perform all electrical safety tests in this section.
IMPORTANT
UNITS OF MEASURE—The specified leakage tester (E278-06) measures
in mV. There is a direct correlation of mV to μA. In other words, on this
text fixture, 1 mV = 1 μA.
220/230/240 VAC POWER CORD—For 220/230/240 VAC testing, use
only P/N 600034 line cord to power the E278-06 test fixture.
Initial Conditions
1. Attach the monitor power cord to the leakage test fixture.
2. Verify that the leakage test fixture’s main AC power cord is attached.
AC Line
1. With the leakage tester connected to power, connect the monitor’s power cord
to the leakage tester and turn monitor power on.
2. Select the leakage tester’s setting to measure the line voltage.
3. Record the resulting reading in Electrical Safety section of the Preventative
Maintenance Report.
Ground Impedance
1. With the leakage tester connected to power, connect the monitor’s power cord
to the leakage tester and turn monitor power on.
2. Select the leakage tester’s setting to measure resistance.
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