GX-3R Pro

  • World’s smallest and lightest 5 gas monitor
  • 3-year warranty
  • Compatible with 11 languages
  • Connect with Bluetooth
  • Water and dust resistant, IP66/68
  • Loud alarm buzzer 95dB at 30cm

Sampling method Diffusion type
Principle of detection New Ceramic catalytic Method, Non-Dispersive Infrared Method, Potentiostatic Electrolysis Method
Detection range 0 to 100 %LEL (HC/CH4)
0 to 40 vol% (O2)
0 to 2000 ppm (CO)
0 to 200 ppm (H2S)
0 to 10 vol% / 0 to 10000 ppm (CO2)
0 to 100 ppm (SO2)
Type of alarm Gas alarm / fault alarm
[option] panic alarm / man down alarms
Display of alarm Flashing light / buzzer / vibration
Explosion protected construction Intrinsic safety
Explosion-proof class IECEx : Ex da ia IIC T4 Ga / Ex da ia I Ma
ATEX : II1G Ex da ia IIC T4 Ga / IM1 Ex da ia I Ma
*With combustible gas sensor
Ingress proof rating IP66/68
Approvals Japan Ex, ATEX, IECEx, Brazil Ex, MED, JIS, JG
CE marking EMC / ATEX / RoHS / RE
Power source Lithium ion rechargeable battery unit or
Dry battery unit (AAA alkaline battery×3)
Continuous operation Approx. 40 hours (with long battery mode) *Depends on sensor type
Dimensions Approx. 73 (W) × 65 (H) × 26 (D) mm [Rechargeable battery]
Approx. 73 (W) × 65 (H) × 34 (D) mm [Alkaline battery]
Weight Approx. 120 g [Rechargeable battery]
Approx. 140 g [Alkaline battery]
Operating temperature range -40 ℃ to +60 ℃ (no sudden changes)
Operating humidity range 0 to 95 %RH (no condensation)
Target gas CH4, CO, CO2, H2S, HCN, i-C4H10, NO2, O2, PH3, SO2