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RI-85 Portable Infrared CO2 Gas Monitor

The portable infrared CO2 gas monitor RI-85 sensor provides fast and accurate detection of CO2 levels from 0 to 10,000 ppm. An internal pump is utilised by the device for continual sampling, and the unit operates for 12 hours from one set of batteries. Microprocessor controlled, the RI-85 provides average readings over a selected time period and can also display the peak value detected.

With its internal sample draw pump and digital LCD readout with backlighting, the portable infrared CO2 gas monitor RI-85 model is particularly ideal for indoor air quality CO2 breathing levels in plants or factories and leak checking for CO2 fire extinguishing equipment. It also provides a reassuring check after the use of a CO2 fire extinguisher. There’s both a visual and an audible alarm with this model.

The portable infrared CO2 gas monitor RI-85 has numerous industry applications and offers the best instrument features. Weighing just 500 grams this device has been designed to be compact and lightweight for the user. The LCD digital display with backlighting is another feature of this device ensuring the ultimate visibility of the screen for the user. The internal sample drawing pump ensures it can safely detect for CO2 continuously at the press of a button, making the device an ideal tool for a wide range of industry applications. With a battery life of up to 12 hours on just one set of batteries, this device is perfect for those on the go who don’t have time to spare.


  • Microprocessor controlled
  • Instantaneous, Peak and Average values provided
  • Compact and lightweight (approx 500g)
  • Audible and visual alarms
  • Internal sample drawing pump
  • LCD digital display with backlighting
  • Recorder output signal (0-1V linear)


  • Indoor air quality CO2 level testing
  • Safe CO2 breathing levels in plants or factories
  • Leak checking on CO2 fire extinguishing equipment
  • Check before entering after CO2 extinguisher use
  • Exhaust gas leak from combustion appliances in homes or plants

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