Standard Pressure Transmitter – PMP-S122-H

by Prignitz Mikrosystemtechnik

  • Very rugged standard pressure transmitters for hydrogen applications
  • Designed to prevent embrittlement and permeation of the metal surface
  • Pressure ranges: from 4 bar to 1,000 bar
  • Measuring cell is free from welded seams
  • Vacuum-tight and elastomer-free
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Standard Pressure Transmitter – PMP-S122-H

  • Very rugged standard pressure transmitter SPT (approved for H2) is based on a new type of two-chip technology (P2P Technology – Prignitz Microsystemtechnik patented development), which enables the highest demands on robustness and performance such as stability, vibration/shock resistance.
  • The piezoresistive stainless-steel measuring cell has especially been adapted to the chemical and physical properties of Hydrogen.

Patented P2P technology

  • For high pressures and harsh environments, steel diaphragms have proven themselves in pressure sensor technology.
  • The most reliable measuring principles on steel diaphragms use so-called thin film technologies or alternatively strain gage technologies. The latter are characterized by significantly higher raw signals compared to thin film technology.
  • Prignitz Mikrosystemtechnik uses both measurement methods. With the P2P technology Prignitz Mikrosystemtechnik has developed a unique, patented Technology that belongs to the strain gauge technologies.
  • The decisive and innovative difference to the competition is the use of two full bridges, which are interconnected in such a way that undesirable external force influences on the sensor signal (e.g. torques during installation) are largely compensated.
  • A monolithic steel body without any welding is used for this purpose.
  • Only one part made of solid 316L stainless steel comes into contact with the medium. As a result, this technology can also be used for hydrogen applications.
  • Advantages of P2P technology:
    • Pressure ranges from 4 bar to 1.000 bar
    • Accuracy: 0,5% or better
    • Made entirely of 316L stainless steel, no internal welding, no internal seals
    • T-Range: -40°C … +125°C
    • Customized solutions
    • Very high robustness against external forces


Product key features

  • The entire sensor consists of a single piece, which is designed to prevent embrittlement and permeation of the metal surface by ionized hydrogen.
  • Standard pressure transmitter PMP 122 H is also absolutely vacuum-tight and elastomer-free.
  • Leaks caused by material fatigue on internal seals are thus eliminated from the outset.
  • It has no disturbing pressure transfer fluid and no large pressurized surfaces.
  • The membrane has a very robust design.
  • Measuring cell is free from welded seams
  • Pressure ranges: from 4 bar to 1,000 bar
  • Mechanical connections:
    • 9/16-18 UNF 6M; 1/2″-14 NPT;
    • 1/4″-18 NPT;
    • G1/4″B Mano EN 837;
    • G1/2″B Mano EN 837;
    • 7/16-20 UNF
  • Electrical connections: EN 175301-803-A, Packard Metri-Pack, M12x1 (S763), Packard Metri-Pack, Cable
  • Wetted parts: stainless steel 1.4404 (316L)
  • Response time: < 1ms
  • Accuracy: ≤ 0.5 % FS limit-point settings ( ≤ 0.35% FS BFSL) at 25 °C
  • Optionally certificate:
    • EX protection (ATEX, IECEx, CSA);
    • Up to 600 bar, EC 79/2009 Hydrogen approval


  • Energy technology
  • Fuel cells
  • Automotive industry
  • Gas technology
  • HVAC

Contact us

  • PRIGNITZ Mikrosystemtechnik provides high quality pressure transmitters for the hydrogen industry. Interested? Please contact PRIGNITZ Mikrosystemtechnik by filling in the contact vendor form.
Weight.120 kg
Max Pressure (in bar)

Min Pressure (in bar)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Max Input Voltage (in V)

Min Input Voltage (in V)

Compliant with

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Technical Datasheet

Product Datasheet- PMP S122 H

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      Prignitz Mikrosystemtechnik

      Prignitz Mikrosystemtechnik develops, manufactures, and sells pressure sensors, temperature transmitters, and level probes with very high added value “from chip to calibrated transmitter”. We have a sales and service network covering more than 40 countries.
      Our manufacturing processes and products are fully compliant with standard requirements according to DIN EN 9100 based on EN ISO 9001:2015. We are also certified by ATEХ and CSA. The approval according to EC79/2009 officially seals the suitability of our sensors for measuring hydrogen pressure with nominal pressures between vacuum and 1.000 bar.
      Based on our R&D, we offer our customers from a variety of industries the best possible customized solutions that fully meet their needs.

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