Chillgard® 5000 Refrigerant Monitor

Greatest stability and reliability with intuitive user interface

Helps with compliance to ASHRAE 15, EN 378 and ISO 5149 standards

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The earliest level of detection for costly refrigerant gas leaks with patented Photoacoustic Infrared (PAIR) technology.


Not affected by temperature and humidity swings, minimizing drift


1 ppm minimum detection level with our patented PAIR technology. 10 ppm minimum for ammonia


Select up to 6 refrigerants to monitor out of our field selectable refrigerant library


Worry-free operation with advanced sensor diagnostics and predictive maintenance

Enhanced gas detection capabilities with PAIR

  • Detects 38 different refrigerants and now available for Ammonia
  • Measures direct infrared light absorption for a specific gas
  • Longevity with use of robust components and design
  • Less maintenance and cost on consumable parts compared to traditional electrochemical or NDIR technology

New face in refrigerant leak detection

  • Improved user experience with 7 in. color touch interface
  • Clear visual indication when an alarm, fault or event occurs
  • Easy-to-access event log and diagnostic log to quickly troubleshoot

Always look ahead

  • Predictive maintenance on the sensor, pump and flow system
  • Trend performance through simple, easy-to-follow charts
  • Worry-free operation with advanced sensor diagnostics
  • Real-time alerts through the device and BACnet or Modbus

The Chillgard 5000 Leak Detector provides continuous, real-time monitoring down to 1 ppm.

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Get more information

General Bulletin

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Ammonia Bulletin

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Remote Display Data Sheet

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Equipment Room Application Note

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Ready to experience the best in refrigerant detection?

Talk to our HVAC experts to discuss your application.