Revision C 250cx Series Maternal/Fetal Monitor 4-11
2036947-001
Maintenance: Electrical Safety Tests
3. Connect the leakage tester’s external lead to the equipotential lug on the rear of
the monitor.
4. Verify and record the results in Electrical Safety section of the Preventative
Maintenance Report.
Chassis Leakage
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 chassis leakage as appropriate.
3. Connect the leakage tester’s external lead to the equipotential lug on the rear of
the monitor.
4. Verify and record the results in Electrical Safety section of the Preventative
Maintenance Report.
Patient-to-Ground Leakage for MECG/FECG
1. With the leakage tester connected to power, connect the monitor’s power cord to
the leakage tester.
2. Connect ECG leads to the leakage tester.
3. Select the leakage tester’s settings to measure Lead-to-Ground leakage current
for all leads as appropriate.
4. Turn on the monitor.
5. Verify and record the results for all conditions listed in Electrical Safety section
of the Preventative Maintenance Report.
Patient-to-Line (ISO) Leakage for MECG/FECG
1. With the leakage tester connected to power, connect the monitor’s power cord to
the leakage tester.
2. Connect ECG leads to the leakage tester.
NOTE: Both MECG and FECG must be tested, which will require Y cable part #
1442AAO and ECG patient lead part # 1554AAO or 1554BAO as
appropriate.
3. Select the leakage tester’s settings to measure Lead-to-Line leakage current for
all leads as appropriate.
4. Turn on the monitor.
5. Apply line voltage by pressing the appropriate leakage tester control.
6. Verify and record the results for all conditions listed in Electrical Safety section
of the Preventative Maintenance Report
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