The pressure chamber of the DE40 can be made of brass or stainless steel. There are also several options for the process connection. The differential pressure transmitter DN40 is suitable for measuring over-pressure, under-pressure and differential pressure in basically neutral fluids and gases. It is suitable for all measuring tasks in industrial or sanitary sectors. The differential pressure transmitters of this type series DN40 are equipped with a non-sensitive ceramic pressure measuring cell. The measuring bridge is pressed directly onto the ceramic membrane by means of a thick layer technology. The measuring pressure acts on the membrane which in turn deforms. In turn, the bridge resistors change and a voltage signal that is proportional to the measuring pressure is created. The electronics integrated into the transmitter housing convert this signal into a uniform signal 0...10V or 4...20mA.
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