Standard Melt Pressure Transmitters

  • MPI melt pressure transmitters - standard
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      Stem Only                      Stem + Flex              Stem + Flex + T/C
4-20mA stem only transmitters4-20mA stem and flex transmitters4-20mA stem, flex and thermocouple transmitters

0-10VDC stem only transmitters0-10VDC stem and flex transmitters0-10VDC stem flex and thermocouple transmitters

Standard melt pressure transmitters from MPI are based on the original 50-year-old design. This design utilizes a mercury-filled capillary system that transmits pressure from the main process diaphragm to a secondary diaphragm. A reliable 350ohm Wheatstone Bridge strain gauge, mounted on the second diaphragm, measures deflection caused by changes in pressure and generates an electrical signal proportional to the process pressure. Our melt pressure transmitters utilize amplified signals most often associated with PLC systems.
Quickship Program Mercury Fill Melt Pressure Transmitters
An internal Rcal transistor mounted to the strain gauge enables easy calibration of 80% of full scale.

Request a quote on the melt pressure transmitter you need. Contact MPI for more information.

Full engineering support is available via email or by clicking on the Sales/Support LiveChat button below.

MT - Melt Pressure Transmitters - Standard Fill  (download Brochure)
MPI/Dynisco Cross Compatibility List
MPI/Gefran Cross Compatibility List

Features of Standard Mercury Fill Melt Pressure Transmitters

  • Also fully compatible with Dynisco, Gefran, GP50, and Gentran 
  • Max. operating temperature: - 400°C (750°F)
  • Outputs: 4-20mA, 0-10VDC (optional: 0-5, 1-11, 0.5-9.5VDC etc.)
  • Ranges from 0-300psi to 0-30,000psi
  • Fluid filled system for temperature stability
  • Internal 80% shunt calibration
  • Standard 1/2-20 UNF thread c/w Inconel diaphragm for high wear & corrosion resistance
  • Optional Hastelloy® C-276 diaphragm & threads 
  • Optional coatings: titanium nitride (TiN), titanium aluminum nitride (TiAlN)
  • Optional threads: M18x1.5, M14x1.5, M10x1, etc.
  • Optional IP65 (waterproof)
  • Engineering tech support available by phone or email
  • Large inventory of same day shipping items
  • Quick delivery on custom products