Hydrogen Pressure Transmitter – Genspec®GS4200H Series

by ESI Technology Ltd

  • Silicon-on-Sapphire pressure sensing technology
  • Hydrogen pressure transmitter with pressure ranges from vacuum to 1,500 bar
  • High accuracy
  • High overpressures
  • ATEX/IECEx option available (includes M1 for mining applications)
  • DNV GL certification available
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Hydrogen Pressure Transmitter – Genspec®GS4200H Series

  • The GENSPEC® GS4200H series of hydrogen compatible pressure transmitters, with state-of-the-art SOS sensor technology, offers a highly accurate and durable sensor capable of withstanding overpressure levels of up to twice the stated pressure range.
  • High accuracy and resistance to overpressure and pressure transients.
  • All welded, special grade titanium sensor for reliable performance in demanding environments.
  • The pressure diaphragm and process connection are machined in titanium alloy and welded together, meaning no o-ring seals or fill liquid. This is especially important for use with hydrogen due to the embrittling nature of the media.
  • Tested to ISO 11114-2:2017 according to EC79/2009 and EU406/2010. Results have provided a pass rating for the compatibility of the specialist titanium alloy with hydrogen.
  • ATEX and DNV GL marine certification is available.
  • The GENSPEC® GS4200H series hydrogen pressure transmitter is available in many different variants:
    • GS4200H
    • GS4201H
    • GS4202H/GSG212H
    • GS4203H/GS4213H

Key features

  • Compatible for use within Hydrogen based environment
  • Silicon-on-Sapphire sensor technology for outstanding performance
  • Tested to ISO 11114-2:2017 according to EC79/2009 and EU406/2010
  • Pressure ranges to 1,500 bar
  • Specialist high strength titanium alloy sensor
  • Excellent Corrosion resistance
  • High resistance to overpressure and pressure transients
  • ATEX/IECEx option available (includes M1 for mining applications)
  • DNV-GL certification available

Technical specifications

  • Output Signal:
    • GS4200H: 4-20 mA (2 wire)
    • GS4201H: 0-10 mV/V (4 wire)
    • GS4202H/GSG212H: 0-5 V (4 or 3 wire)
    • GS4203H/GS4213H: 0-10 V (4 or 3 wire)
  • Supply Voltage:
    • GS4200H: 10-36 VDC
    • GS4201H: 10 VDC
    • GS4202H/GSG212H: 13-30 VDC
    • GS4203H/GS4213H: 13-30 VDC
  • Standard Pressure Ranges (bar): 0 – 1 bar; 0 – 0.5 bar; 0 – 1 bar; 0-2.5 bar; 0-6 bar; 0 – 10 bar; 0-16 bar; 0 – 25 bar; 0 – 100 bar; 0 – 250 bar; 0-400 bar; 0 –600 bar; 0-1,000 bar; 0 – 1,500 bar (other ranges available)
  • Wetted Parts: Titanium alloy
  • Pressure Media: Hydrogen and all fluids compatible with Titanium alloy
  • Pressure Connection: 1/4″BSP male (G1/4) , 1/4″NPT male (Others available on request)

Application areas

  • Hydrogen storage
  • Hydrogen production
  • Marine propulsion
  • Hydrogen fuel cells
  • Hydrogen powered vehicles

Contact us

  • ESI Technology ltd is the home of pressure transmitter and measurement. Interested? Please contact the vendor by filling in the contact form or the request for quote form.
Weight0.2 kg
Max Pressure (in bar)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Max Medium Temperature (in °C)

Min Medium Temperature (in °C)

Compliant with

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Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Technical datasheet

Technical datasheet_Hydrogen Pressure Transmitter - Genspec®

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      ESI Technology Ltd

      ESI Technology Ltd designs and manufactures pressure transducers and transmitters for the hydrogen, aerospace, defence, oil & gas, subsea, medical, automotive, marine, process and general industrial markets. The company was formed in 1984, and has grown since that time into a worldwide supplier of "in house" manufactured pressure transducer and transmitters. The introduction of the outstanding Silicon-on-Sapphire sensing technology, has ensured the company’s position as one of the market leaders in the pressure measurement industry, along with a comprehensive range of pressure transmitters and transducers incorporating this technology, together with the latest digital signal processing. All products are rigorously tested to ISO9001 and Mil-I-45208 procedures and conform to CE requirements. EX, IECEx and DNV GL certification is also available.

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