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SCM4 - Carbon Monoxide Detector

Fast Enough for Walk Around Tests

The SCM4 Carbon Monoxide (CO) Detector has a very fast reaction time, and measures CO in parts per million (ppm). Its electrochemical sensor is fast enough for walk-around tests. Features and benefits include: Field-replaceable CO sensor; Advanced three-pin sensor measures 0 to 1000 ppm CO; Calibrate / Zero SCM4 to ambient quickly with the ZERO button; Audio and visual alarms w/mute; Bright-blue, backlit dual-display with MAX and real-time measurements displayed; Magnetic hanger for hands-free operation; Auto Power-Off (APO).

The SCM4 Carbon Monoxide Detector (CO Detector) offers several features and benefits to field technicians: 

  •  Field-replaceable CO sensor
       - Easy to install
       - Lasts approximately two years [useage pending]
       - Comes pre-calibrated
  •  Fast electrochemical sensor helps you find CO sources like cracked heat exchangers or breached flue stacks
  •  Calibrate to ambient quickly with ZERO button
  •  Audio and visual alarms (with MUTE function)
  •  Alarm rate increases as carbon monoxide concentration increases
  •  MAX hold to help you zero in on the source
  •  Bright-blue backlit dual-display to test in dark crawl spaces
  •  Magnetic hanger for hands free testing
  •  Auto Power Off (APO) to save battery life (easy to disable)
  •  Battery check with % of battery life left displayed

Use for internal gas heaters whether ducted or room standing - ideal for Home or Office


  • Carbon Monoxide Detector - SCM4
  • 9V Battery (installed)
  • Operator’s Manual
SCM4 - Carbon Monoxide Detector

Brand Fieldpiece
Shipping Weight 1.0000kg
Shipping Width 0.200m
Shipping Height 0.300m
Shipping Length 0.150m
Shipping Cubic 0.009000m3
Unit Of Measure ea

2-Years on Meter from date of purchase

NOTE: We do not warrant Sensors due to nature of use

Average Customer Rating For SCM4: Carbon Monoxide (CO) Meter:
Rating: 3

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