GASTEC CORPORATION - For all types of gas and vapour

Carbon monoxide detectorCM-7B

Comes with controlled potential electrolysis sensor.

Carbon monoxide detector employs a highly sensitive controlled potential electrolysis method used for electrochemical analysis. It is able to accurately detect even the faintest amount of carbon monoxide.

  • Slim / Compact and lightweight, only 110g
  • Simple auto zero calibration procedure
  • Explosion proof
  • Low power consumption
Carbon monoxide detector CM-7B
*The products may not be sold depending on countries and regions. 


Measurement range 0 - 300ppm (enhanced range: 301 - 999ppm)
Measurement method Controlled potential electrolysis method
Sampling method Diffusion
Indicating accuracy +/- 10% of full scale at time of calibration
Display Digital LCD
Explosion proof Certified by Japan Ministry of Health, Labour and Welfare
(Class Ex ia ⅡC T3 Ga / Certification No.TC22574)
Operating Temperature / Humidity range Temperature : -10 - 40 ℃
Relative humidity : 30 - 90 %RH
Power source One AAA alkaline battery provides about 3500 hours of operation
(when no alarm signal is emitted)
Dimensions 48(W) x 37(D) x 105(H) mm
Weight 110g


Calibration is necessary for ensuring accurate measurement.

Available in lengths of 5m, 10m, 20m, 30m.

This is a system for supplying calibration gas to the diffusion type sensor.

Product inquiries

Please use the relevant link below to make an inquiry.