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Measure Carbon Monoxide quickly and easily in working and living environments.


  • 9V Battery (included)
  • Above 200PPM, the beeper sounds continuously
  • Audible alarm
  • Auto power off
  • Automatic calibration
  • Backlit LCD
  • From 35PPM to 200PPM, the beeper sounds periodically
  • Max hold and data hold
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Measurement Range: 0 to 1000 PPM
Measurement Resolution: 1 PPM
Accuracy: 5% or ± 10 PPM
Warm Up Period: < 2 Seconds
Operating Temperature: 32°F to 122°F (0°C to 50°C)
Storage Temperature: -22°F to 140°F (-30°C to 60°C)
Operating Humidity: 0-99% RH (non-condensing)
Auto Power Off: After 15 minutes of inactivity
Typical Sensor Life: 3 years
Sensor Type: Stabilized electrochemical gas-specific (CO)
Identify malfunctioning equipment
Check dangerous CO levels
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software
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Replacement Part:CO71A
Part Description:Carbon Monoxide
Manufacturer :UEI®

Replacement Part:MA-12830A
Part Description:Carbon Monoxide
Manufacturer :MA-Line®

No Accessories Available

How do I access the battery compartment?: Remove the blue boot, then remove the battery cover located on the back.
How do I 'zero out' the meter? : Press & hold the Backlight button for 8 seconds.
Can the sensor be replaced?: No, if the sensor goes bad, the entire unit needs to be replaced.