DMP331 ATEX Certified IS Compound Range Pressure Transmitter

DMP331 with process style field housing option
DMP331 with semi-flush diaphragm option

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Combined negative gauge and positive gauge pressure sensor for measuring pressures above and below atmospheric pressure from ±40mbar up to -1 to 10 bar gauge

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The DMP 331 compound range pressure transducer has a semiconductor strain gauge sensing element with a vent to atmospheric pressure on the reverse side of the silicon diaphragm which provides a gauge pressure reference.  The Silicon element is protected from the process media by sealing it inside an oil filled capsule with a convoluted isolation membrane to facilitate the transfer of pressure to the sensing element.

The 4 to 20mA output signal of the DMP331 IS compound range pressure transmitter has been ATEX approved for use use in hazardous areas where flammable gases could be present.

The DMP-331 intrinsically safe compound pressure transmitter has a variety of configurations with all welded wetted parts, semi-flush diaphragm, process style electronics housing and IP68 buccaneer electrical connector.

 

Technical Summary

Compound Pressure Ranges: from ±40 mb g up to -1 to 10barg (±0.6 psi to -15 to +150 psi)

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: 2 wire 4 to 20mA current loop

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 flush diaphragm (EN837 only) and open pressure port design, plus M20 x 1.5 male

Media Compatibility: Stainless steel and FKM or EPDM O ring seal

Special Features: ATEX IS certification to II 1 G EEx ia IIC T4


Related Products

Other compund range pressure transmitters

Hazardous area pressure transmitters

More intrinsically safe instrumentation


Resources

Explain compound pressure ranges

Guide to pressure sensor terminology

Convert a compound range into other pressure units


Download Product Information

DMP331 data sheet DMP331 data sheet

DMP331 operating manual DMP331 operating manual

Hazardous Area installation manual Hazardous Area installation manual


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Site Last Updated:  06/07/08

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