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).
Features:
- Field-replaceable CO sensor
– Easy to install
– Lasts approximately two years
– 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
What's In The Box:
- Carbon Monoxide Detector – SCM4
- 9V Battery (installed)
- Operator’s Manual
Specifications:
- Sensor Type: Electrochemical (specific to CO)
- Sensor Calibration: Factory calibrated @ 17ppm CO and 200ppm CO
- Range: 0 to 1000 ppm; 0 to 2000 ppm (less than 5 minute exposure time)
- Initial Accuracy: @ 73°F±9°F, <75% R.H.
0-15ppm ±5% reading ±1 ppm after zeroing
16-35ppm ±5% reading ±2 ppm after zeroing
36-1000ppm ±5% reading ±5ppm after zeroing
- Long Term Drift: less than 5% per year (depending on use)
- CO Air Sample Temperature Range: 32 to 105°F
- Operating Environment: 32 to 122°F (0 to 50°C); 15 to 90% R.H., non-condensing
- Storage Environment: 32 to 68°F (0 to 20°C) at <80% R.H. with battery removed from meter
- Battery: 9V
- Battery Life: 150 hours typical alkaline
- Auto Power Off: After 15 minutes
