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DMP331 Suction Pressure Transmitter
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Negative gauge reference pressure sensor for measuring vacuum pressures relative to atmospheric pressure. Suction pressure ranges from -40mbar down to -1 bar gauge. The DMP 331 suction pressure transducer has a silicon piezoresistive sensing element with a vent to atmospheric pressure on the reverse side of the silicon diaphragm which provides a gauge pressure reference. The Silicon chip is protected from the process media by sealing it inside an silicone oil filled capsule with a convoluted isolation diaphragm to allow the transfer of pressure to the semiconductor sensing element. There is an ATEX approved 4 to 20mA output electronics option for the DMP-331 negative gauge pressure transmitter for intrinsically safe use in hazardous zones where flammable gases could be present. The DMP331 suction pressure transducer has a variety of configurations with all welded media exposed parts, semi-flush diaphragm, field housing and IP68 buccaneer water-proof connector.
Technical Summary Pressure Range: -40mb down to -1000mb (-1.5 psi down to -15psi) gauge Accuracy: 0.175% > 0.4 bar, 0.25% <= 0.4 bar as standard with options for 0.125%, 0.1% and 0.05% FS BSL NLHR Output Signal: 0/4 to 20mA current loop or 0-10V voltage Electrical Connections: Field housing with M16 cable entry, DIN43650, binder, buccaneer or M12 sockets plus integral cable glands with ingress protection to IP67 or IP68 Pressure Connectors: G1/4, G1/2, 1/4 or 1/2 inch NPT male thread plus G1/2 open pressure port design, plus M20 x 1.5 male Media Compatibility: Stainless steel 316 Ti pressure port, stainless steel 316L diaphragm with all welded, FKM or EPDM O ring internal seal Special Options: ATEX IS certification to II 1 G EEx ia IIC T4 Related Products Other suction pressure sensors for measuring negative gauge pressure Vaccuum pressure instrumentation for measuring pressure below atmospheric pressure Digital readout for use with sction pressure transmitters Resources Convert suction pressure into different engineering units Download Product Information
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Site Last Updated: 06/07/08
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