Hydrogen Compatible Pressure Transmitter

  • Suitable for Hydrogen based environment
  • Tested to ISO 1114-2:2017 
  • In accordance with EC 79/2009 AND EU 406/2010
  • Silicon-on-Sapphire sensor technology for outstanding performance
  • Pressure ranges from vacuum to 1,500 bar
  • Specialist high strength titanium alloy sensor
  • ATEX/IECEx option available (includes M1 for mining applications)
  • DNV GL approved for Marine applications


The GS4200H HYDROGEN pressure transmitter is designed using special titanium alloy measurement cell and wetted parts. Suitability of the material is confirmed following hydrogen compatibility testing based on ISO 1114-2:2017 according to the European Regulations EC 79/2009 and EU 406/2010.The unique Silicon-on-Sapphire sensor technology provides outstanding performance and gives excellent stability over a wide temperature range.

Standard accuracy is ±0.25% with an over pressure limit of twice the rated pressure range, this together with easy access for re-calibration affirm the excellent design. All models are supplied with integral 1/4" BSP or alternative pressure connections. Optional higher accuracy, outputs and electrical connections are available. The all titanium alloy wetted parts offer unbeatable corrosion resistance.

Available options include ATEX and IECEx approved version for explosion protection for flammable gases (zone 0), dusts (zone 20) and mining areas (group I M1) and/or Marine version complying with DNV GL rules for classification of ships, high speed & light craft and DNV GL offshore standards 

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