HD402… Series – Low Pressure Transmitters
HD402… Series – Low Pressure Transmitters
HD402… Series – Low Pressure Transmitters
HD402… Series – Low Pressure Transmitters
HD402… Series – Low Pressure Transmitters
HD402… Series – Low Pressure Transmitters
HD402… Series – Low Pressure Transmitters
HD402… Series – Low Pressure Transmitters
Delta OHM

HD402… Series – Low Pressure Transmitters

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The presence of very pure air, i.e. with a very low content of microparticles of suspended dust, is in some fields mandatory. In the industrial and scientific research and microelectronics industry in general, in the field of bottling and food and moreover in the pharmaceutical field, cleanrooms are used to always ensure a controlled atmosphere.

Especially in these applications, a highly precise and reliable instruments are indispensable for the measurement of differential pressure.

The series of small and compact transmitters HD402xT… is suitable for measuring relative pressure with respect to atmosphere or differential pressure in the range from as low as 0-50 Pa to 0-200 kPa .


The series of pressure ON/OFF relay switches HD402TR…L is suitable for controlling the relative pressure with respect to atmosphere or differential pressure in the range from ±250 Pa to ±200 kPa.
If the set threshold value is exceeded, the relay switch output is activated, the front alarm LED lights up and an audible alarm sounds.

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