Brand: Extech
Extech CO50 Desktop Carbon Monoxide (CO) Monitor
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Specification:
- CO Range: 0 to 999ppm
- CO Basic Accuracy: ±2ppm
- CO Max Resolution: 1ppm
- Relative Humidity: 10 to 90%RH
- Model No: CO50
- Brand: Extech
- Warranty: 12 Months
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
CO50 Desktop Carbon Monoxide (CO) Monitor
Measures Carbon Monoxide (CO) concentration, Air Temperature and Humidity with user-settable CO audible alarm (30ppm default). The CO50’s extra loud beeping alarm (>85dB at 3 meters) provides an excellent way to monitor indoor air quality in large spaces.
Common CO Problem Areas:
– Gas stoves/ranges or clothes dryers used to heat homes- Out-of-adjustment burners
– Blocked chimneys
– Gas or kerosene space heaters
– Idling vehicles in garages
– Charcoal grills used indoors
– Gas-powered generators or small-engine equipment such as weed wackers, leaf blowers, lawn mowers operated in enclosed areas
– Furnaces and water heaters with inadequate ventilation
Features
- Simultaneously displays Carbon Monoxide (CO) concentration, Air Temperature, and Relative Humidity readings with date (Year, Month, Day) and time
- Visibly bright LED indicates active monitoring (green) or surpassed CO alarm threshold (red)
- Extra loud audible beeper alarm level meets UL 2013 Standard (>85dB @ 3 meters); default alarm threshold at 30ppm (user adjustable)
- Designed with Electrochemical CO sensor
- Record/Recall Max reading for CO concentration
- CO calibration function in fresh air
- Internal memory for manually storing up to 99 readings with recall function
- Complete with Universal AC adapter (100V-240V) and multiple plug types (US, EU, UK, AUS)



