Specification
Sampling method | Diffusion type/Single 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, China Ex |
CE marking | EMC / ATEX / RoHS |
Power source | AAA alkaline or Ni-MH (eneloop) batteries (x2) |
Continuous operation | Approx. 6200 hours (AAA alkaline) Approx. 4200 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) |