• Range: 0 to 999ppm
  • Accuracy
    • 0 to 100ppm: 20%
    • 100 to 500ppm: 15%
  • Resolution: 1ppm
  • Selectable alarm levels: 25, 30, 35, 45, 50, 70, 100 and 200ppm
  • Dual digital display
  • Self-test
  • Auto Power-off
  • CE agency approval


The Amprobe CM100 is a compact carbon monoxide meter for measuring and displaying the presence of carbon monoxide. The CM100 shows current carbon monoxide levels on the dual LCD display and allows users to select the level at which the alarm is triggered. Users can adjust the alarm to sound at one of 8 levels from 25 to 200 ppm. The Amprobe CM100 user manual has a chart of published safety levels for carbon monoxide to help you set the alarm at a safe limit.

Amprobe CM100 carbon monoxide meters have many features including an adjustable CO warning level, dual digital display, backlight for viewing in dim areas, auto power off and a self-test feature.

The Amprobe CM100 carbon monoxide meter ships complete with:

  • Battery
  • Carrying case
  • Manual