THE type PMP differential pressure sensors from Kobold Instruments have been specially designed for monitoring filters for air or other gases. The compact microprocessor controlled units are housed in a robust plastic casing with an enclosure class of IP 65.

Two hose connections allow easy connection to the process before and after the filter. The measuring range runs from 0 to 50 mbar.

The measuring process used registers even tiny pressure differences with great accuracy. Meanwhile the sensor is extremely safe against overloads up to 750 mbar.

One 4 ... 20 mA analogue output and two relay outputs are available for the output of signals. The easy to operate electronics offer all necessary settings.

Thus the relays, their time delay, the hysteresis as well as the analogue signal are freely programmable. A four-digit LED display provides direct information on the spot.

With the aid of the type PMP differential pressure sensors the cleaning or replacement of filters can be carried out dependent on the degree of contamination and precisely at the right time. Energy losses due to clogged or used filters can be very easily and inexpensively avoided.

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