22-4 Nightingale PPM3 User's Guide April 2019
6. Wait 1 minute and check that the CO2 concentration has not decreased
more than 3 mmHg. If it has decreased more there is a major leakage in
the ISA unit or in the Nomoline. Do not operate the ISA if there is a
major leakage in the unit.
• Connect static pressure sources at 20 and later at 100 mmHg to IBP
sensors P1 and P2. Verify correct pressure is displayed for each (± 2
mmHg).
• Connect a patient simulator with dynamic IBP waveform for radial artery
of 120/80. Verify correct pressure waveform and values are displayed
(± 2 mmHg).
Connect to Safety Analyzer.
WARNING – FOLLOW SAFETY INSTRUCTIONS AS INDICATED IN THE
MANUAL FOR THE ANALYZER.
Verify Patient Lead Leakage (to ground): < 10 uA.
Verify Patient Lead Leakage (inter-lead): < 10 uA.
Verify Patient Lead Leakage (mains applied to leads): < 50 uA.
Verify Leakage to ground (normal): < 500 uA.
Verify Leakage to ground (reversed polarity): < 1000 uA.
Verify Leakage to ground (neutral opened): < 1000 uA.
In order to prevent the Nightingale PPM3 monitor’s risk current from increasing
beyond safe limits, the ECG cable should be cleaned according to the instruction
in the Cleaning chapter of this manual.
To place the PPM3 back in service after maintenance has been performed,
connect the PPM3 to a wall outlet, insuring that cables do not present a tripping
hazard.
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