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Mastercool 55745 Black Series Infrared CO2 Leak Detector

Your Price: $442.51
In Stock.
Part Number:MSC55745

Features and Benefits:


  • Flexible probe is easy to use and extremely effective at locating difficult leaks
  • Advanced infrared sensor with a sensor life of 40,000 hours
  • Easily select high, medium and low sensitivity levels
  • Advanced TFT screen provides clear and easy readings using color graphics that show leakage, sensitivity, battery level and sensor fault indicators
  • Peak button indicates the maximum leak detected during measurements
  • Auto-off function will automatically shut down the unit after 10 minutes
  • Compliant to RoHS, SAE-J1627 and EN14624

Mastercool's 55745 handheld CO2 leak detector uses an advanced infrared sensor to effectively pinpoint R744 (CO2). The efficient design and rugged construction provides effortless leak detection all while allowing the technician to easily adjust sensitivity to adapt to different environments. Packaged in a zippered carry case, this kit includes the 55745 infrared CO2 leak detector, charging cable and replacement filters.


  • Sensor life: 40,000 hours
  • Sensitivity: High < 350 ppm at 350 ppm ambient, Low < 3500 ppm at 350 ppm ambient
  • Alarm mode: visual and audible
  • Display: high resolution bright TFT active matrix LCD
  • Automatic shutdown: 10 minutes without operation
  • Reset time: <3 seconds
  • Warm-up time: 30 seconds
  • Response time: <1 second
  • Refrigerants: R744 (CO2)
  • Battery: rechargeable (8 hours of detection)
  • Storage temperature: -20 to 60 degrees C (-4 to 140 degrees F)
  • Operating temperature: -10 to 52 degrees C (14 to 125.6 degrees F)
  • Humidity: maximum 90% RH (non-condensing)
  • Probe length: 14.37"
  • Size: 7.8 x 3 x 1.5"

WARNING: This product can expose you to Silica, crystalline (airborne particles of respirable size) a chemical known to the State of California to cause Cancer. For more information go to

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