・Alarm lamp easy to see from 3 directions.
・Sound pressure of alarm buzzer not less than 95 dB.

Sampling method Suction type
Principle of detection New Ceramic catalytic Method, Thermal Conductivity Method, Potentiostatic Electrolysis Method, Membrane Type Galvanic Cell Method
Detection range 0 to 100 %LEL (HC) / 0 to 100 vol% (CH4)
0 to 30 ppm (H2S)
0 to 500 ppm (0 to 150 ppm) (CO)
0 to 40 vol%(0 to 25 vol%) (O2)
Type of alarm Gas alarm / fault alarm
Display of alarm Blinking lamp / buzzer continuous modulated sound / gas concentration display blinking / vibration
Explosion protected construction Intrinsic safety
Explosion-proof class IECEx : Ex ia IIC/IIB T4 Ga
ATEX : Ⅱ1G Ex ia IIC/IIB T4 Ga
Ingress proof rating IP67
Approvals Japan Ex, ATEX, IECEx, Brazil Ex
CE marking EMC / ATEX / RoHS
Power source Dry battery unit (AA alkaline batteries 3 pcs.)
Lithium-ion battery unit
Continuous operation Approx. 15 hours [dry battery unit]
Approx. 10 hours [Lithium-ion battery unit]
Dimensions Approx. 71 (W) × 173 (H) × 43 (D) mm (excluding projections)
Weight Approx. 360 g
Operating temperature range -20 ℃ to +50 ℃ (no sudden changes)
Operating humidity range 0 to 95 %RH (no condensation)
Target gas CH4, CO, H2S, i-C4H10, O2