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ATEX-approved hygienic pressure sensors for Profibus PA |
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Pressure on the bus The latest feature-packed pressure sensors family from sensor market leader ifm electronic Ltd form the PMP series. Highlights of the PMP series start with their hygienic design, high accuracy and continue on through the connectivity and suitability for hazardous areas. The high degree of accuracy at 0.2% is achieved by electronic temperature compensation and improved temperature decoupling. The flush process connection is via ifm's EHEDG-certified modular hygienic adapter system, allowing integration via common process adapters, ideal for CIP or other applications. Via Profibus PA the PMP series can offer extended diagnostic capabilities beyond just the signal processing. To ensure this, the unit carries out self-tests while in operation. The diagnosis status can be polled cyclically or acyclically via the Profibus master. Food and pharmaceutical processes may give rise to explosive vapours or dust clouds, leading to classification of the working area as a hazardous zone under DSEAR/ATEX. Four units of the PMP range are certified 1G and 1D/2D for precisely these applications. The pressure ranges which ifm's PMP series will monitor is split over four common spans in separate devices. The housings are constructed in food-grade stainless steel, sealed to IP67 / IP69K guranteed if using the mating EVT-series M12 electrical connectors from ifm electronic Ltd. For more information on PA pressure transmitter with ATEX approval click here
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