GW-3 Series
Personal gas detection in the shape of a wristwatch with this wearable portable gas monitor. Weighing just 45g, it is among the world's smallest and lightest single-gas monitors. Don't let its compact size fool you - it packs the performance, durability and explosion- and water-proof design needed to keep you safe in any work environment.
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GW-3 Series
Personal gas detection in the shape of a wristwatch with this wearable portable gas monitor. Weighing just 45g, it is among the world's smallest and lightest single-gas monitors. Don't let its compact size fool you - it packs the performance, durability and explosion- and water-proof design needed to keep you safe in any work environment.
Feature01
Among the world's smallest, lightest gas monitors
The ultra-compact design of the GW-3 Series gives you the flexibility to wear it however you like. Wear it on your wrist as a watch, or attach it to an armband to wear it on your arm, or clip it to your hard hat. Clip it to your shirt collar near your breathing zone for even better protection. Weighing just 45 grams, it won't get in the way of your work, so you can focus on getting the job done.
Feature02
Portable gas monitors built to endure the toughest conditions
Small yet highly durable.
IP66 and 68 rating
Drop test height: 2m
Explosion proofing: ATEX/IECEX certified
Feature03
High-Performance Monitoring in a Compact Form
Can be used at a wide range of temperatures: temporarily for up to about 15 minutes in an environment of -20℃ to +60℃, or continuously in an environment of -20℃ to +50℃. Our new carbon monoxide sensor provides protection practically free from hydrogen interference.
Three-step alarm
Quick & easy calibration
Data logger
Simultaneous display of gas concentration & time
Three-step alarm
Quick & easy calibration
Data logger
Simultaneous display of gas concentration & time
| Product Name | GW-3(OX) | GW-3(HS) | GW-3(CO) | GW-3(C-) | GW-3(CX) |
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| Product Subtitle | Portable Gas Monitor | Portable Gas Monitor | Portable Gas Monitor | Portable Gas Monitor | Portable Gas Monitor |
| Product Type | Portable Gas Detector | Portable Gas Detector | Portable Gas Detector | Portable Gas Detector | Portable Gas Detector |
| Industries | Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel | Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel | Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel | Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel | Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel |
| Use Purpose | Safety management | Safety management | Safety management | Safety management | Safety management |
| Single/Multi | Single | Single | Single | Single | Multi |
| Certification | Japanese Certification, IECEx, ATEX, China Ex (China), JIS | Japanese Certification, IECEx, ATEX, China Ex (China), JIS | Japanese Certification, IECEx, ATEX, China Ex (China), JIS | Japanese Certification, IECEx, ATEX, China Ex (China), JIS | Japanese Certification, IECEx, ATEX, China Ex (China), JIS |
| Detectable Gas | O2 | H2S | CO | CO with H2 elimination | CO & O2 dual |
| Detection Range | 0.0 to 25.0 vol% | 0.0 to 100.0 ppm | 0 to 500 ppm | 0 to 500 ppm(0 to 2000 ppm） | 0 to 500 ppm (0 to 2000 ppm) (CO) 0.0 to 25.0vol％ (0.0 to 40.0 vol％) (O2） |
| Principle of Detection |
Potentiostatic Electrolysis Method | Potentiostatic Electrolysis Method | Potentiostatic Electrolysis Method | Potentiostatic Electrolysis Method | Potentiostatic Electrolysis Method |
| Sampling Method | Diffusion | Diffusion | Diffusion | Diffusion | Diffusion |
| Ingress Proof Rating |
IP66/68 (2m, 1h) | IP66/68（2m, 1h） | IP66/68（2m, 1h） | IP66/68（2m, 1h） | IP66/68（2m, 1h） |
| Dimensions | Approx. 63 (W) x 42 (H) x 22 (D) mm (excluding projections) | Approx. 63(W)×42(H)×22(D) mm (excluding projections) | Approx. 63(W)×42(H)×22(D) mm (excluding projections) | Approx. 63(W)×42(H)×22(D) mm (excluding projections) | Approx. 63(W)×42(H)×22(D) mm (excluding projections) |
| Weight | Approx. 45g | Approx. 45g | Approx. 45g | Approx. 45g | Approx. 45g |
| Remarks | - | - | - | - | - |
| Power Source | CR2450 coin type lithium ion battery | CR2450 coin type lithium ion battery | CR2450 coin type lithium ion battery | CR2450 coin type lithium ion battery | CR2450 coin type lithium ion battery |
| Continuous Operation |
Approx. 2000 hours | Approx. 4000 hours | Approx. 4000 hours | Approx. 2500 hours | Approx. 2000 hours |
| Operating Temperature Range |
-20 ℃ to +60 ℃ (no sudden changes) | -20 to +60℃ (no sudden changes) | -20 to +60℃ (no sudden changes) | -20 to +60℃ (no sudden changes) | -20 to +60℃ (no sudden changes) |
| Operating Humidity Range |
0 to 90 %RH (no condensation) | 0 to 95%RH (no condensation) | 0 to 95%RH (no condensation) | 0 to 95%RH (no condensation) | 0 to 95%RH (no condensation) |
| Applicable Instruments |
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