HT-H2 Pressure Sensor

by Hydrotechnik UK Limited

  • Hydrogen compatible pressure sensor and transmitter for various applications
  • H2 Pressure sensor for working ranges from 0 to 1000 bar
  • Unique one part design with no welds to prevent embrittlement by ionized hydrogen
  • Measuring cell is free from a transfer fluid
  • EC79 & ATEX zone 1 approval options available
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HT- H2 pressure sensor

  • The piezoresistive stainless steel measuring cell has especially been adapted to suit the chemical and physical properties of hydrogen.
  • The entire sensing element is made from of a single piece without welds, which is designed to prevent embrittlement of the metal surface by ionized hydrogen.
  • Completely vacuum tight and elastomer free.
  • Leaks caused by material fatigue on internal seals are thus eliminated from the outset.
  • Has no disturbance due to pressure transfer fluid and no large pressurized surfaces.
  • The link into the connection pins are made by wedge wedge bonding and is therefore completely stable even at low temperatures, or when subject to shocks or vibrations.
  • The measuring bridge evaluates the pressure via a mixed signal ASIC. The HT-H2 can also be used for other critical media.


  • Working pressure ranges from 0 to 1000 bar
  • Wide range of threads inc. ¼” & ½” NPT, 9/16-18UNF, 3/8-24 UNF 2A, G1/4 & G1/2
  • Outputs, 4-20mA, 0.5-4.5V rat., 0-5V & 0-10V
  • SS316L wetted parts
  • Medium-contacting parts of stainless steel 1.4404/316L
  • Response time < 1ms
  • Approval options: ATEX & EC79
  • Standard elec. conn. options: Packard Metri-pack, AMP Superseal, Deutsch 3P & 4P, M12x1, DIN Form A


  • Hydrogen storage
  • Hydrogen refueling
  • Hydrogen production
  • Hydrogen fuel cells

Use cases

  • Monitoring the cylinder pressure in vehicle storage tanks
  • Monitoring the delivery pressure in refueling systems

Contact us

  • Interested? Please contact the vendor by filling in the contact vendor form.
Weight0.12 kg
Max Pressure (in bar)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Max Input Voltage (in V)

Compliant with

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Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Technical Datasheet

H2 Pressure Sensor Datasheet-Hydrotechnik

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      Hydrotechnik UK Limited

      Hydrotechnik UK Ltd is one of the UK’s leading test and measurement equipment distributors and manufacturers, servicing industries from construction equipment to Formula One since 1990. We provide analogue and digital test equipment for pressure, temperature, flow, oil condition, force, vibration, displacement and much more for system monitoring, production control and machine development.

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