Gefran WFx: Explosionproof Melt Pressure Transducer, 2-wire 4-20mA
Gefran WFx: Melt Pressure Transducer, Ex-proof, 4-20mA
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Gefran WFx Explosionproof Oil-filled Melt Pressure Transmitters
2-wire, 4-20mA Output

  • Factory Mutual approved Explosion proof for Class I, Division 1, Groups A, B, C, D, and Dust-Ignition proof for Class II, Division 1, Groups E, F, G
  • Other approvals: CE, NEMA 4/IP65
  • High-level output 2-wire, 4-20 mA
  • Accuracy: <±0.25% FSO (H); <±0.5% FSO (M)
  • Internally generated 80% calibration signal (R-Cal)
  • 1/2-20 UNF thread standard, M18x1.5 also available
  • Fluid-filled system for temperature stability
  • 17-7 PH corrugated diaphragm with TiN (Titanium Nitride) coating standard
  • Oil-fill is FDA approved — meets requirements CFR172.3620 and 172.878
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The entire amplifier/sensor assembly of an WF Series Melt Pressure Transmitter is packaged in a stainless steel welded enclosure with a conduit cable fitting.

This metal enclosure is completely sealed from the atmosphere, and is approved to meet hazardous area requirements The WF converts applied pressure at the point of measurement to a proportional voltage output signal.

An amplifier converts the strain gage signal to a 4-20 mA output. The small capillary tube filled with a special medium isolates the amplifier from potential thermal damage.

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