Gas Detectors

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Manufacturer: Riken Keiki

CO / O2 portable gas detector


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  • Broad lineup featuring seven models
  • Three-year sensor warranty
  • Newly developed R sensor installed for improved performance
Category Portable Gas Detector
Type Milti Gas
Gas type Toxic / Oxygen
Detection gas CO / O2
Principle of detection Electrochemical type
Detection range 0-300ppm / 300-2000ppm (CO)
0-40vol% (O2)
Alarm setpoints 1st 25ppm / 2nd 50ppm / 3rd 1200ppm / TWA 25ppm / STEL 200ppm (CO)
L 18.0vol% / LL 18.0vol% / H 25.0vol% (O2)
Sampling method Diffusion
Display of alarm Flashing light / buzzer / vibration
Explosion protected construction Intrinsically safe
Explosion-proof class ATEX : 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 rating IP66/67 (currently under testing)
Approvals IECEx / ATEX / INMETRO / Japan Ex / CE
Power source AAA alkaline or Ni-MH (eneloop) batteries (x2)
Battery life Approx. 4600hours (AAA alkaline)
Approx. 3000hours (Ni-MH)
Dimensions Approx. 54 (W) x 67 (H) x 24 (D) mm (excluding projections)
Weight Approx. 93g
Operating temperature range -20℃ to +50℃ (no sudden changes)(Approx. 15-minute temporry use environment: -40℃ to +60℃[no sudden changes])
Operating humidity range 10 to 90%RH (no condensation)(Approx. 15-minute temporry use environment: 0 to 95%RH[no condensation])



Via Magenta, 77/16A
20017 Rho (MI) - Italy
Phone +39 02 3340 0846
VAT: IT04126380155
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Via Magenta, 77/16A
Rho 20017, Italy
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+39 02 3340 0846

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