| Sampling method | Diffusion type |
| Principle of detection | Potentiostatic Electrolysis Method |
| Detection range | 0 to 500 ppm（Display range 0 to 300 ppm / 300 to 2000 ppm） |
| Alarm setpoints | 1st 25 ppm 2nd 50 ppm 3rd 1200 ppm TWA 25 ppm STEL 200 ppm OVER 2000 ppm |
| Type of alarm | Gas alarm / fault alarm |
| Display of alarm | Flashing lamp / intermittent buzzer sounding / gas concentration display blinking / vibration |
| Explosion protected construction | Intrinsic safety |
| Explosion-proof class | IECEx : Ex ia ⅡC T4 Ga (AAA alkaline), Ex ia ⅡC T3 Ga (Ni-MH) ATEX : Ⅱ1G Ex ia ⅡC T4 Ga (AAA alkaline), Ⅱ1G Ex ia ⅡC T3 Ga (Ni-MH) |
| Ingress proof rating | IP66/67 (currently under testing) |
| Approvals | Japan Ex, ATEX, IECEx, Brazil Ex |
| CE marking | EMC / ATEX / RoHS |
| Power source | AAA alkaline or Ni-MH (eneloop) batteries (x2) |
| Continuous operation | Approx. 9000 hours (AAA alkaline) Approx. 6000 hours (Ni-MH) |
| Dimensions | Approx. 54 (W) x 67 (H) x 24 (D) mm (excluding projections) |
| Weight | Approx. 93g |
| Operating temperature range | -40℃ to +60℃ (no sudden changes) (Approx. 15-minute temporry use environment: -20℃ to +50℃[no sudden changes]) |
| Operating humidity range | 0 to 95%RH (no condensation) (Approx. 15-minute temporry use environment: 10 to 90%RH[no condensation]) |
| Operating pressure range | 80 to 120 kPa (80 to 110 kPa for explosion-proof range) |
| Target gas | CO |
CO-04
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・Single-component portable gas monitor with long continuous operating time
・Incorporates durable new R sensor with advanced functions
・Three-year sensor warranty
Description
