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Portable Gas Detector for CO / O2


  • Broad lineup featuring seven models
  • Three-year sensor warranty
  • Newly developed R sensor installed for improved performance
CategoryPortable Gas Detector
TypeMilti Gas
Gas typeToxic / Oxygen
Detection gasCO / O2
Principle of detectionElectrochemical type
Detection range0-300ppm / 300-2000ppm (CO)
0-40vol% (O2)
Alarm setpoints1st 25ppm / 2nd 50ppm / 3rd 1200ppm / TWA 25ppm / STEL 200ppm (CO)
L 18.0vol% / LL 18.0vol% / H 25.0vol% (O2)
Sampling methodDiffusion
Display of alarmFlashing light / buzzer / vibration
Explosion protected constructionIntrinsically safe
Explosion-proof classATEX : Ⅱ1G Ex ia ⅡC T4 Ga (AAA alkaline), Ⅱ1G Ex ia ⅡC T3 Ga (Ni-MH)
IECEx : Ex ia ⅡC T4 Ga (AAA alkaline), Ex ia ⅡC T3 Ga (Ni-MH)
IP ratingIP66/67 (currently under testing)
ApprovalsIECEx / ATEX / INMETRO / Japan Ex / CE
Power sourceAAA alkaline or Ni-MH (eneloop) batteries (x2)
Battery lifeApprox. 4600hours (AAA alkaline)
Approx. 3000hours (Ni-MH)
DimensionsApprox. 54 (W) x 67 (H) x 24 (D) mm (excluding projections)
WeightApprox. 93g
Operating temperature range-20℃ to +50℃ (no sudden changes)(Approx. 15-minute temporry use environment: -40℃ to +60℃[no sudden changes])
Operating humidity range10 to 90%RH (no condensation)(Approx. 15-minute temporry use environment: 0 to 95%RH[no condensation])

Applications SafetyIndustrialMarineOil & Gas
Target Gas Carbon monoxide - CO