Measuring the smallest pressure differences under high system pressures

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The differential pressure transmitter D239 from SETRA offers excellent linearity of better than 0.1% of the full scale. It is available with measurement ranges between ±60 Pa and 70 kPa. This extremely robust, capacitive sensor features high overload safety and is suitable for system pressures up to 17 bar. The operating temperature range is specified from -18°C to 80°C.

The sensor can be operated with DC voltages in the range of 22 ... 30 V and provides an output signal of either 0 ... 5 V or 4 ... 20 mA. With an overall accuracy of up to 0.073% and a response time of less than 10 ms, it is ideally suited for laboratory and test bench applications as well as for use in wind tunnels. Due to its high overload safety, it has proven itself for years in numerous systems for leak and tightness testing.