RS Components (RS) has announced availability of the SPD800 series of CMOS technology digital and analog differential pressure sensors from Sensirion. Targeting high-volume applications, the sensors have been designed to measure the pressure of air and non-aggressive gases and deliver accurate and stable results, even at very low differential pressures.
The new sensor products are based on Sensirion’s CMOSens technology, which integrates a sensor element and all the necessary signal conditioning electronics – including analog and digital signal processing – on a single CMOS chip. The technology is well proven and is perfectly suited for cost-sensitive volume production.
The SDP800 series sensor element, which uses flow-through technology to measure differential pressure, together with the on-chip signal processing and digital calibration, delivers high accuracy with no offset drift, right down to the lower end of the measurement range. These new sensors largely overcome the limitations in offset drift and accuracy of traditional static or dynamic differential pressure sensors commonly used in HVAC applications. In conjunction with cost advantages, this makes them an attractive alternative for measuring differential pressure and airflow volumes in modern HVAC systems.
As well as offering high reliability, long-term stability and an excellent signal to noise ratio, the sensors also feature a two-wire digital interface for easy connection to microcontrollers. In addition, the Sensirion EK-P5 evaluation kit enables easy sensor evaluation via PC test software, connected via USB cable.
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