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| Brand Name: | ONETEST |
| Model Number: | G40 |
| MOQ: | 1 Piece |
| Price: | USD 150-350 / Piece |
| Delivery Time: | 7-15 working days |
| Payment Terms: | T/T |
The ONETEST-G40 is a professional 4-in-1 gas detector designed for continuous monitoring of combustible gas, oxygen (O2), hydrogen sulfide (H2S), and carbon monoxide (CO) concentrations in hazardous environments. Equipped with high-quality imported sensors and advanced microcomputer control technology, it delivers exceptional sensitivity and outstanding repeatability.
Widely deployed in petroleum, chemical, environmental protection, metallurgy, oil refining, gas distribution, biochemical and pharmaceutical, agriculture, fire protection, and archaeology sectors for personnel safety and equipment protection.
| Gas Type | Range | Low Alarm | High Alarm | Resolution |
|---|---|---|---|---|
| Combustible (EX) | 0-100%LEL | 20%LEL | 50%LEL | 1%LEL |
| Oxygen (O2) | 0-30%VOL | 19.5%VOL | 23.5%VOL | 0.1%VOL |
| Hydrogen Sulfide (H2S) | 0-100PPM | 10PPM | 35PPM | 1PPM |
| Carbon Monoxide (CO) | 0-1000PPM | 150PPM | 300PPM | 1PPM |
| Item | Specification |
|---|---|
| Detection Principle | Catalytic Combustion, Electrochemical, Infrared, PID |
| Display Error | ≤ ±5% F.S. |
| Response Time | ≤ 30 s |
| Display | Dot-Matrix LCD |
| Detection Method | Diffusion Type |
| Alarm Method | Real Human-Voice, Vibration, Light Alarm |
| Housing Material | ABS Engineering Plastic |
| Operating Temperature | -10℃ ~ +55℃ |
| Operating Humidity | 10~95% RH (Non-Condensing) |
| Operating Voltage | DC 3.7V |
| Operating Pressure | 86~106 KPa |
| Weight | 205 g |
| Dimensions | 140 mm * 73 mm * 32 mm |
| Applicable Standards | GB 15322.1-2019, GB 12358-2006, GB/T 3836.1-2021, GB/T 3836.4-2021, JJF 1368-2012, JJF 1363-2019, JJF 1421-2013 |
Note: Standard 4-in-1 gas combination shown above. Custom gas combinations available upon request — contact us for ozone (O3), chlorine (Cl2), ammonia (NH3), and other gas sensor configurations.
