Revision B 120 Series Maternal/Fetal Monitor 9-23
2015590-001
General Maintenance: Maternal Blood Pressure Tests
Patient-to-Line Leakage for US
1. Connect an US test body to the monitor’s front panel US input. The US test
body should be an ultrasound transducer wrapped in aluminum foil.
2. Set the fixture’s
Leakage switch to Line.
3. Turn ON the monitor using the monitor’s power switch.
4. Verify the following:
F < 50 µA (100, 120, 220, 230, or 240 VAC monitors)
5. Record the patient-to-ground leakage for the following conditions:
Table 9-12. Patient-to-Line Leakage Conditions for US
Neutral Ground Power (Polarity)
Closed Closed Normal
Closed Closed Reversed
Open Closed Normal
Open Closed Reversed
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