GASTEC CORPORATION - For all types of gas and vapour

Oxygen and Carbon monoxide detectorGOC-100-2

One unit performs two roles, realizing highly efficient and safe control at the same time.

  • Simultaneous measurement of oxygen and carbon monoxide
  • Low power consumption
  • Small and lightweight, only 80g
  • Incorporates a logging function.
Oxygen and Carbon monoxide detector GOC-100-2


Target gas Oxygen Carbon monoxide
Measurement range 0.0 - 25.0%
(enhanced range : 25.1 - 42.0 %,42.0 % or higher,“Hi” is displayed.)
0 - 300 ppm
(enhanced range : 301 - 999 ppm,999 ppm or higher,“Hi” is displayed.)
Measurement principle Galvanic cell method Controlled potential electrolysis
Sampling method Diffusion
Display LCD digital display (backlit)
Operating Temperature / Humidity range Temperature : -10 - 40 ℃
Relative humidity : 30 - 90 %RH (no condensation)
Power source One size AAA alkaline batteries or nickel-hydrogen rechargeable batteries
Dimensions 80(W) × 18(D) × 50(H)  mm
Weight 80g(including batteries)

*The products may not be sold depending on countries and regions. 


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

Galvanic cell sensor

Controlled potential electrolysis sensor

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