Kobold has on offer the type PMP differential pressure sensor that measures the pressure difference before and after the filter chamber. Specifically designed for monitoring filters for air or non-corrosive/aggressive gases, the compact microprocessor controlled unit is housed in a robust plastic casing with an enclosure class of IP65. Two hose connections allow for easy connection to the process before and after the filter.
The measuring range runs from 0 to 50 mbar. The measuring principle used registers even tiny pressure differences with great accuracy. The sensor is extremely safe against overloads up to 750 mbar. One 4 ... 20 mA analog output and two relay outputs are available for the output of signals. The easy to operate electronics offer a large range of settings, which means that the relays, their time delay, the hysteresis and the analog signal are freely programmable. A four-digit LED display provides on the spot direct information.
The Kobold PMP has application in the chemical industry and tank construction and has the following features:
• Small dimensions; easy installation; easily programmable.
• 4-digit LED indication.
• 2 programmable relays
• Output of 4-20 mA.
• Overrange up to 750 mbar.
With the help of PMP differential pressure sensors, the cleaning or replacement of filters can be timeously carried out (depending on the degree of contamination) so that energy losses due to clogged or used filters can easily be avoided, thereby saving on costs.
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