CareFusion LTV 1200 Service Manual page 48

High Flow Transducer Port Leak Test:
1) Connect the appropriate tube from the test fixture to the High Flow transducer port on
the right side of the ventilator and pinch off other unused tubes.
2) Using the test fixture manometer as the pressure measurement instrument, apply 50 –
55 cm H2O pressure to the ventilator with the syringe.
3) Pinch off the pressure supply tube near the syringe to seal the supply of pressure.
Observe any downward change in pressure on the manometer.
Requirement: The change in pressure in 1 minute shall be ≤ 1.0 cmH
4) Record the data on the Calibration Worksheet
5) Disconnect the tube from the ventilator port. Open the pinch clamp on the pressure
supply tube.
Low Flow Transducer Port Leak Test:
6) Connect the appropriate tube from the test fixture to the Low Flow transducer port on
the right side of the ventilator and pinch off other unused tubes.
7) Using the test fixture manometer as the pressure measurement instrument, apply 50 –
55 cm H2O pressure to the ventilator with the syringe.
8) Pinch off the pressure supply tube near the syringe to seal the supply of pressure.
Observe any downward change in pressure on the manometer.
Requirement: The change in pressure in 1 minute shall be ≤ 1.0 cmH
9) Record the data on the Calibration Worksheet
10) Disconnect the tube from the ventilator port. Open the pinch clamps on the pressure
supply tube.
11) If leakage in excess of the required values is observed, troubleshoot leaks (see Chapter
7 - Troubleshooting). If the leak persists, contact the Technical Support department at
CareFusion using the information at the front of this manual.
p/n 18603-001, Rev. J
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LTV 1200, 1150, and 1100 Ventilator Service Manual
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