| Sampling method | Diffusion type |
| Principle of detection | Membrane Type Galvanic Cell Method |
| Detection range | 0.0 to 25.0 vol% |
| Alarm setpoints | L 18.0 vol% LL 18.0vol% H 25.0vol% |
| Type of alarm | Gas alarm / fault alarm |
| Display of alarm | Flashing lamp / buzzer / flashing gas concentration readout / vibration |
| Explosion protected construction | Intrinsic safety |
| Explosion-proof class | IECEx : Ex ia ⅡC T4 Ga ATEX : Ⅱ1G Ex ia ⅡC T4 Ga |
| Ingress proof rating | IP66/68（2m, 1h） |
| Approvals | Japan Ex, ATEX, IECEx, Brazil Ex, JIS |
| CE marking | EMC / ATEX / RoHS |
| 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. 45 g |
| Operating temperature range | -20 to +50 ℃ (no sudden changes) |
| Operating humidity range | 10 to 90 %RH (no condensation) |
| Target gas | O2 |
GW-3(O2)
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･Among world’s smallest and lightest
･One-year sensor warranty
･Newly developed R sensor installed for improved performance.
Description
Additional information
| Target Gas |
O2 |
|---|---|
| Product Type |
Portable |
