The Flow Sensor Calibration needs to be performed each time:
• A new sensor is put in place.
• After device startup
• After enabling the flow sensor (manual and automatic)
• After patient range change (note the sensor type must match the
patient range selected)
• After reconnection of a flow sensor resolving a disconnection alarm
We recommend cleaning the Flow Sensor once daily.
If Zero Flow and Tidal Volume measurements are detected in numeric and
graphs after:
• Disconnection
• High Leaks
• Low-level Rain-out
• Over-breathing
flow measurement will be automatically re-started after 6 seconds.
If Flow and Tidal Volume measurements are not regained, consider the
following:
• Checking ET tube position (high leaks at the patient) and blockage
(during or after in-line suction, or after surfactant therapy)
• Flow Sensor Leakage (loose flow insert or leak)
• Flow Sensor Contamination (single-use sensor recommended)
• Rain-out (contact ACUTRONIC Medical Systems sales for
recommended Patient Circuits and Humidifier to prevent Rain-out)
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