Setra 224 Ultra High Purity Pressure Sensor

Part Number: Setra 224 Categories: , ,

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Designed for demanding special gas monitoring applications, the Setra Model 224 Ultra High Purity Pressure Transmitter meets this type of application’s requirements without compromising structural integrity, purity, and performance.
The Model 224 Pressure Transmitter features a small streamlined sensor chamber that is easy to purge. The sensor has excellent mechanical stability and thermal stability, especially without temperature transients caused by airflow. The sensing element is isolated from the pressure port, virtually eliminating the torque effect.
The excellent mechanical and thermal stability of the Type 224 Pressure Transmitter is primarily due to the use of Setra’s patented variable capacitance technology. The overall design of the sensor is straightforward, the liquid parts are made of VIM/VAR 316L stainless steel, and the surface is passivated and polished to 5 Ra (maximum 7 Ra) to ensure the surface is flat; the insulated electrode plate is fixed at the center of the sensor diaphragm and can be combined with the sensor body. Variable capacitance. As the pressure increases or decreases, the capacitance value also changes accordingly. The sensor detects the change in capacitance and converts it to a linear analog signal via Setra’s unique integrated circuit.

The Model 224 transmitter can withstand temperatures up to 85 ° C and can be calibrated at high temperatures. Each sensor was subjected to a helium leak test at the 1×10-9 ATM.CC/sec level using a mass spectrometer.


  • High purity gas delivery system
  • Semiconductor process tools
  • Pharmaceutical and biotechnological processes
  • Gas Cabinet
  • 316 L VIM/VAR stainless steel
  • Low leakage rate
  • VCR connector
  • A small chamber that is easy to purge
  • 200PSI/250PSI/3000PSI
  • Surface finish 7 Ra
  • Very insensitive to temperature transients in fluids
  • Suitable for potentially hazardous areas
  • Meet CE and RoHS standards
  • Superior Stability Avoids Downtime
  • EMI/RFI Immunity Prevents False Shutdown
  • Sturdy Design Allows Trouble-Free Installations
  • Minimal Torque Effect
  • High Burst Pressure Ratings
  • Virtually Insensitive to Thermal Transients in Flow Stream

Data Sheet: Setra Model 224 Datasheet
User Manual: Setra Model 224 Manual

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