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Pressure Sensors

H2 Pressure Sensor - Low Pressure Sensor LPS

i2s – Intelligente Sensorsysteme Dresden GmbH

  • Designed for hydrogen (H₂) applications such as fuel cell systems
  • Hydrogen compatibility
  • Use of fluid-compatible materials
  • Burst-proof and long service life
  • Available with analog or digital (SENT) output signal

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Description Vendor

The H₂-Low Pressure Sensor LPS is a specialized low-pressure sensor designed for use in hydrogen (H₂) applications, particularly fuel cell systems. It offers variants for pressure ranges up to 6 bar, making it suitable for both stationary and mobile applications. The sensor is built with hydrogen-compatible materials and features a MEMS-Si measuring element with an oil reservoir. It provides analog or digital (SENT) output signals and is available in several design variants. The sensor is burst-proof, has a long service life, and is compatible with hydrogen, air, nitrogen, and coolant media. Its operating principle involves measuring low pressures with high accuracy, ensuring reliable performance in extreme temperature ranges of -40°C to 120°C. The sensors design allows for optimal integration into systems, with a flange connector for direct contact and a 3-pin MLK electrical connection. The products key marketing punchline is its exceptional hydrogen compatibility and durability, making it an ideal choice for industrial and automobile applications in fuel cell systems.

Use Cases

  • Industrial and automobile application on fuel cell systems

Capabilities

  • Measuring low pressures in stationary and mobile applications
  • Use of fluid-compatible materials
  • Analog output voltage as well as SENT output
  • Flange connector for direct contact to the system
i2s – Intelligente Sensorsysteme Dresden GmbH i2s (Intelligente Sensorsysteme Dresden GmbH), part of the Amphenol Corporation and represented worldwide, is a German developer and manufacturer of pressure sensors, temperature sensors, and combination sensors for multiple measured variables, having served customers in the automotive, commercial vehicle, mechanical engineering, and measurement/testing industries for more than 20 years since its founding in 2001. The company's dedicated hydrogen sensor portfolio includes the H2-High Pressure Sensor (HPS), specifically designed for hydrogen applications such as filling stations and high-pressure tanks, available in nominal pressure ranges of 0 to 500 bar and 0 to 900 bar with materials selected to withstand hydrogen environments over long service lives, certified according to H2 norms EC79 and HGV 3.1 with analog or digital (SENT/LIN) output options. i2s's Medium Pressure Sensor (MPS) and Low Pressure Sensor (LPS) are specially developed for use in hydrogen fuel cells and pressure regulators, while its CTS temperature sensor is designed for high-pressure applications with H2 up to 900 bar, and the company's climate-pressure sensors serve air-conditioning systems for stationary power generation by fuel cells relevant to hydrogen propulsion for environmentally friendly commercial vehicles and buses. With more than 50% of its sensors used in vehicles with fuel or electric drives and a modular sensor design enabling individual customized solutions for specific applications, i2s continues developing custom sensor technology addressing the growing pressure and temperature measurement requirements of hydrogen fuel cell, storage, and refueling infrastructure.
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