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Red y Smart Pressure Controller


Red-y smart pressure controllers from Voegtlin of Switzerland combine reliable thermal mass flow technology with electronic pressure control. They automatically control a predefined process pressure and at the same time measure and/or limit the flow rate. They are available in a standard economic version (flow accuracy ±1% of full scale, turndown ratio 1 : 50) or a hi-performance version (flow accuracy ±0.3% of full scale and ±0.5% of reading, turndown ratio 1 : 100) and are specified for forward or backward pressure control. All devices are calibrated with real gas, which guarantees high accuracy and reproducibility.


Red y Compact 2 Series Red y Compact 2 Series
Vogtlin Instruments - Gas Flow Measurement and Control Vogtlin Instruments - Gas Flow Measurement and Control


  • High accuracy flow measurement and pressure control with wide dynamic range
  • Short response time: 50ms
  • Combines three functions:
    • pressure control
    • pressure control with flow measurement/limitation
    • flow control with pressure measurement
  • Controllers to be specified for forward or backward pressure control
  • Pressure control with external transmitters, gas mixer functions and customer specific solutions available on request
  • Materials: aluminium or stainless steel
  • Compact design, simple installation
  • Supplied with 'get red-y' software on CD for gas flow measuring and controlling (view flow rate & temperature, change set points, select measured gas, graphical display of measured data, adjust control parameters, monitor operating state) (click here to download a copy free of charge)
  • High quality meter, produced and calibrated at Voegtlin's operations in Switzerland
  • 3 years warranty (excluding battery)


  • Pressure control of a pressure vessel containing a stable gas mixture for laser gas or welding
  • Overpressure control of a sterile chamber. The flow rate is used as a leakage indicator.

Available to order

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