CO-04

Portable Gas Monitor 04 series

Target gases				CO
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
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. 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 temporary use environment: -20℃ to +50℃[no sudden changes])
Operating humidity range				0 to 95%RH (no condensation) / (Approx. 15-minute temporary use environment: 10 to 90%RH[no condensation])
Operating pressure range				80 to 120 kPa (80 to 110 kPa for explosion-proof range)