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Gas & Flame Detection

Chillgard® LE Photoacoustic Infrared Refrigerant Monitor

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The Chillgard® 5000 Refrigerant Leak Monitor provides the earliest level of detection of costly refrigerant gas leaks in mechanical equipment rooms. Sampling system with patented photoacoustic infrared (PAIR) technology detects leaks as low as 1 part per million (ppm). Intuitive, touchscreen user interface makes it easy to operate. Predictive maintenance and diagnostics keep you operational.


Meets ASHRAE 15 requirements to provide visual and audible alarms both inside and outside of mechanical equipment rooms and to activate mechanical ventilation.

  • Sensitivity - earliest level of detection down to 1 ppm
  • Reliability - advanced sensor diagnostics and predictive maintenance
  • Versatility - monitors up to 6 refrigerants field selectable through a refrigerant library
  • Stability - minimal drift, not affected by temperature or humidity

Intuitive, multi-lingual user interface provides valuable data at your fingertips:

  • Real-time dashboard view
  • One-touch calibration
  • Event logs
  • Password protected

Digital communications:

  • BACnet®
  • Modbus


EMC: 2014/30/EU
Applied standard: - EN50270 :2015 Type 2, EN 61000-6-4 :2011

LVD: 2014/35/EU
Applied standard: - EN 61010-1:2010

RoHS II: 2011/65/EU
Applied standard: - EN 50581:2013

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