GW-3(HS)

  • Among world’s smallest and lightest
  • One-year sensor warranty
  • Newly developed R sensor installed for improved performance.

Sampling method Diffusion type
Principle of detection Potentiostatic Electrolysis Method
Detection range 0.0 to 100.0 ppm
Alarm setpoints 1st 5.0 ppm 2nd 30.0 ppm 3rd 100.0 ppm TWA 1.0 ppm
STEL 5.0 ppm OVER 200.0ppm
Type of alarm Gas alarm / fault alarm
Display of alarm Flashing lamp / buzzer / flashing gas concentration readout / vibration
Explosion protected construction Intrinsic safety
Ingress proof rating IP66/68(2m, 1h)
Approvals Japan Ex, ATEX, IECEx, Brazil Ex, JIS
Power source CR2450 coin type lithium ion battery
Continuous operation Approx. 4000 hours
Dimensions Approx. 63(W)×42(H)×22(D) mm (excluding projections)
Weight Approx. 45g
Operating temperature range -20 to +60℃ (no sudden changes)
Operating humidity range 0 to 95%RH (no condensation)
Target gas H2S