Newport HT50 - Pressure Control; Exhalation Valve Sealing; Manual Inflation; High Paw Alarm

SECTION 5
SERHT50NA A0808 5-9
PRESSURE CONTROL
1. Set ventilator to Standard Test Settings.
2. Press the Pressure Control button, then adjust the Pressure
Control setting to 15 cmH
2
O/mbar. Set t
I
to 3.0 seconds.
3. Verify both the Message Display Window and the calibrated
pressure gauge indicate 15 ±2 cmH
2
O/mbar.
4. Set Pressure Control to 30 cmH
2
O/mbar. Verify the Message
Display Window and the calibrated pressure gauge indicate 30
±3 cmH
2
O/mbar.
5. Remove T-connector, leaving the Rp50 inline.
EXHALATION VALVE SEALING
1. Set the HT50 to Standard Test Settings. Set the ƒ to 5.
2. Change the Volume Control setting so that the Paw meter
reaches 70 ±5 cmH
2
O/mbar during inspiration.
3. Verify there is no gas leakage from the exhalation valve during
inspiration.
MANUAL INFLATION
1. Set ventilator to the Standard Test Settings. Set ƒ to 1. Press
and release the Manual Inflation button.
2. Verify that a manual inflation occurs each time the Manual
Inflation button is pressed. Verify inflation is terminated when
the button is released. Set ƒ to 15.
HIGH ▲Paw ALARM
1. Set High ▲Paw alarm to 20 cmH
2
O/mbar. Verify that (1) an
audible and visual High ▲Paw alarm occurs, (2) inspiration is
ter
minated, and (3) maximum pressure displayed on the Paw
meter is 20 ±4 cmH
2
O/mbar.
2. Set the High ▲Paw back to 99 cmH
2
O/mbar and press the
Silence/Reset button to clear the visual alarm.