Why are Dymedix Airflow Sensors better than thermocouples or thermistors?
A. Dymedix patented pyro/piezoelectric sensors are made of Polyvinylidene Fluoride (PVDF) film. PVDF film is a flexible, lightweight, tough, specially treated plastic film that generates a voltage when exposed to temperature changes (pyroelectricity) during breathing and sound vibration (piezoelectricity) during snoring. These signals can occur both separately and simultaneously and have: · Linear response to both temperature and pressure · Accurate detection of both oral and nasal airflow · Improved signal-to-noise ratio · No thermal lag compared to thermistor or thermocouple technology. · The ability to detect subtle flow limitations associated with Respiratory Effort Related Arousals (RERA).
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