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  2. AHI2000H Hydrogen Compatible Premium Pressure Transmitter

AHI2000H Hydrogen Compatible Premium Pressure Transmitter

Hydrogen compatible premium pressure transducer in silicon-on-sapphire technology


Caractéristiques principales

  • Compatible for use within Hydrogen based environments
  • High accuracy and performance
  • Tested to ISO 11114-2:2017 according to EC79/2009 and EU406/2010
  • Silicon-on-Sapphire sensor technology for outstanding performance
  • Pressure ranges to 1,500 bar
  • Specialist titanium alloy sensor for excellent chemical compatibility
  • High thermal stability over wide operating temperature
  • ATEX/IECEx option available (includes M1 for mining applications) for mV version
  • TEDS Version available

About the AHI2000H Hydrogen Compatible Premium Pressure Transmitter

The AHI2000H high precision transducer is designed with state of the art Silicon-on-Sapphire sensor technology, offering levels of accuracy and performance previously unobtainable or prohibitively expensive. With operating ranges up to 1,500 bar the suitability of the material for use with hydrogen is confirmed following compatibility testing based on ISO 11114-2:2017 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. The advanced sensor design consists of a piezoresistive silicon strain gauge circuit, which is epitaxially grown onto the surface of a sapphire diaphragm to form a single crystalline structure. The sapphire sensor element is then molecularly bonded to a Titanium alloy sub-diaphragm. This enables the sensor to endure higher over- pressures and provides superb corrosion resistance. The sensor exhibits virtually no hysteresis and excellent long-term stability.

With outstanding insulation properties, the sapphire substrate allows the sensor to operate over a very wide temperature range without loss of performance. A TEDS (Transducer Electronic Data Sheet) version is available. A TEDS contains the critical information needed by an instrument or measurement system to identify, characterize, interface, and properly use the signal from an analog sensor. IEEE 1451.4 defines the method of encoding TEDS information for a broad range of senor types and applications.

Applications include aerospace, laboratory and test, oil and gas monitoring equipment (down-hole) and subsea. Available in pressure ranges from 0-500 mbar to 0-1,500 bar and with electrical outputs of 10 mV/V, 0-5 dc and 0-10 Vdc. An optional ATEX and IECEx approved version of this product is available for explosion protection for flammable gases (zone 0), dusts (zone 20) and mining areas (group I MI)

Key Features AHI2000H

  • Compatible for use within Hydrogen based environments
  • High accuracy and performance
  • Tested to ISO 11114-2:2017 according to EC79/2009 and EU406/2010
  • Silicon-on-Sapphire sensor technology for outstanding performance
  • Pressure ranges to 1,500 bar
  • Specialist titanium alloy sensor for excellent chemical compatibility
  • High thermal stability over wide operating temperature
  • ATEX/IECEx option available (includes M1 for mining applications) for mV version
  • TEDS Version available

Applications AHI2000H

  • Aerospace
  • Laboratory and Test
  • Oil and Gas Monitoring Equipment (down-hole)
  • Subsea

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Spécifications techniques

Spécifications Valeur
Accuracy 0.1%
Electrical connection HI200x: PTFE insulated flying lead, conductor size 7/0.1 mm. HI201x: MIL-C-26482 6 pin bayonet connector (Accessory not included: mating connector type MS3116F10-6S)
Load driving capability 10 mV/V: n/a; 0-5 V: max. load RL > 5 KΩ; 0-10 V: max. load RL > 10 KΩ
Measurement range 0 - 1 bar to 0 - 1500 bar
Media compatibility Hydrogen and all fluids compatible with Titanium alloy
Operating ambient temperature -40 °C to +85 °C (-40 °F to +185 °F)
Operating media temperature -50 °C to +125 °C (-58 °F to +257 °F)
Output 1mV/V (4 wire) | 0 - 5V (4 or 3 wire) | 0 - 10 V (4 or 3 wire)
Overpressure safety 4x for 0.5 bar range; 2 x for ranges 1 bar to 600 bar; 1.5x for 1,000 bar range; 1.1x for 1,500 bar range
Pressure connection 1/4“ BSP male (G1/4) or 1/4“ NPT male (others options available)
Pressure type gauge
Storage temperature +5 °C to +40 °C (+41 °F to +104°F) Recommended Best Practice
Wetted parts Titanium alloy

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