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Gas Reference Library
Understanding the Difference in Sensor Types (TBA)
   

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R -22

R -134a
Models TR1000-822 and CT1000-822
R-134a

Applications

  • monitoring for dangerous/costly leaks in refrigeration equipment rooms

 

Key Features

  • solid state sensor
  • low cost
  • TR1000: non linear output only suitable for on/off control
  • CT1000: low and high relay activation
  • rugged enclosure
  • some cross sensitivity to other gases
  • up to 10 years life
  • CSA certified
  • Now also available with LonWorks® communication capability as a LonMark® Certified product.

 

Options

  • the CT1000 utilizes the same solid state sensor to provide 2 5A relays for fan and alarm activation

R-134a Gas Measurement & Control

 

Model TR1000-822 (R-134a)

Transmitter

  • Temp Range: -4 to 122°F (-20 to 50°C)
  • Output: 4-20 mA (non linear) user must specify high and low control/alarm points
  • Power: 12-30 VDC
  • Measures: 0-3,000 ppm
  • Calibration: 1 year recommended

Datasheet Manual

 

Model CT1000-822 (R-134a)

Controller

  • Temp Range: -4 to 122°F (-20 to 50°C)
  • Integrated high and low concentration relays (5A). User must specify high and low control/alarm points.
  • Power: 24 VAC, 115 VAC, 220 VAC
  • User adjustable delay for on-time (up to 30 minutes)
  • Measures: 0-3,000 ppm
  • Calibration: 1 year recommended

Datasheet Manual
 
Published: February 16, 2004 Last Updated: June 5, 2008