Portable Gas Monitor

04 series

・Single-component portable gas monitor with long continuous operating time

・Incorporates durable new R sensor with advanced functions

・Three-year sensor warranty

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
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)