Relative or differential pressure transmitters

Relative or differential pressure transmitters

Relative or differential pressure transmitters are generally used for monitoring clean rooms, filter control, flow measurements (use with Pitot tube), packaging machines or in the field of ventilation control (HVAC).

Delta OHM offers a wide range of pressure transmitters: the HD408T series is suitable for measuring relative pressure or differential pressure with respect to the atmosphere with analogue output; they are used in all applications where it is necessary to monitor air and non-corrosive gases with pressure ranges between 10 mbar and 2000 mbar.

The HD402 series consists of pressure transmitters and ON/OFF relay pressure switches for measurements in the range from 50 Pa to 200 kPa, while the HD404 series can measure pressures from 50 to 1000 Pa. Both series use a high-accuracy, temperature-compensated piezoresistive silicon sensor with excellent linearity, repeatability and long-term stability.

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