Pressure Sensor Monitors Medical Ventilation

Sensirion is launching the SDP2108-R sensor for measuring air flows in medical ventilation applications. The company said that a differential pressure sensor in the SDPx108 range combines high speed and high accuracy with an extended measuring range of 0 to 3,500Pa. The SDP2108-R is based on the SDP1108-R, which covers a smaller measuring range of 0 to 500Pa and has similar mechanical, electrical and physical characteristics. The SDP2108-R differential pressure sensor is fully calibrated and temperature compensated.

It also features a response time of 8ms and provides an analogue output signal with a range of 0-4V. The root square output enables very accurate measurements at small differential pressure levels, while at the same time allowing the sensor to cover a wide dynamic measuring range. The SDP2108-R features extremely high precision, according to Sensirion. The sensor utilises the principle of thermal flow measurement to achieve sensitivity and accuracy even with extremely small differential pressures.

The SDP2108-R exhibits very high stability and freedom from zero point drift. With an extended measuring range of 0 to 3,500Pa and a response time of 8ms, the SDP2108 has been developed specifically for medical technology. In particular, it is useful for patient ventilation applications. The SDP2108-R is also suitable for time-critical applications in process automation and HVAC control systems.

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