Piezoresistive Pressure Transmitters - Series 21Y

  • Compact design for space-critical applications
  • Robust stainless steel housing
  • High long term stability
  • Industrial applications
  • Food industry

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The Series 21Y Piezoresistive Pressure Transmitters are compact, robust, and designed for space-critical applications. These transmitters feature a piezoresistive sensor that is insulated and encapsulated, ensuring high accuracy and reliability. They are fully welded with no internal seals, providing a direct analog signal path with high bandwidth. The transmitters are available in a wide range of pressure ranges, from 0...2.5 bar to 0...1000 bar, and offer high long-term stability. They are compensated over the entire temperature range of -10...80 °C, with an accuracy of ±0.5%FS and a total error band of ±1.5%FS. The transmitters are suitable for various applications including industrial, HVAC, and food industry settings. They are available with different electrical connections, including 2-wire and 3-wire options, and support a range of environmental conditions, including protection ratings of IP67 and IP65. The transmitters are designed for use with various pressure connections, including G1/4 male, G1/8 male, 7/16-20UNF male, and 1/4-18NPT. They are also available with different materials for sealing and oil filling, and can be customized for specific applications.

Use Cases

  • Industrial applications
  • Heat pumps
  • Air-conditioning technology
  • Food industry

Capabilities

  • Compact design for space-critical applications
  • Robust stainless steel housing
  • High long term stability
  • Direct analog signal path with high bandwidth
  • Insulated and encapsulated piezoresistive pressure sensor
  • Fully welded design with no internal seals
KELLER Pressure AG

Keller specializes in pressure sensors for hydrogen applications, crucial for the hydrogen economy. They focus on measurement solutions for hydrogens challenges. Kellers technology supports the transition to cleaner energy.

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