Portable multi-gas detector · Gas detectors
Gas-Max
A rugged portable multi gas detector with a compact and affordable design meant to withstand harsh environments.

Key features
Gas-Max at a glance
- AlarmsLight, Sound, Vibration
- Ultra-ruggedIP67
- Sensor rangeO2, H2S, CO, NO2, SO2, ClO2, CL2, HF, O3, NH3, H2, PH3, HCN, Methane
- Humidity10%-95% RH (no condensation)
- Battery1300 mAh (Rechargeable)
A rugged portable multi gas detector with a compact and affordable design meant to withstand harsh environments. Developed with User-Centered Design Process to make the device interface and handling highly intuitive. The bright color LCD display with loud alarms and vibrations is helpful in a noisy environment. The rugged anti-static exterior provides accurate reading even when exposed to temperatures ranging from -20°C to +60°C and humidity ~95% RH.
The small and lightweight package can host up to 4 gas sensors. The standard 4 gas combination includes CO, H2S, Methane, and O2. The other gases supported being NO2, SO2, CL2, NH3, and many more.
It is designed and tested to meet global IS standards, ensuring safe operations in hazardous environments.
Technical detail
Specifications
| Sampling Method | Natural Diffusion |
|---|---|
| Display | TFT Color LCD Screen |
| Sensor type | Electrochemical, Catalytic combustion |
| IP Protection | IP67 |
| Warranty | 2 Years |
| Battery | 1300 mAh, last up to 8 to 10 hrs in normal conditions |
| Response time | T90 < 30S |
| Sensor Range | Methane (0-100%LEL) O2 (0-30%VOL) H2S (0-100 ppm) CO (0-500 ppm) NO2 (0-20 ppm) SO2 (0-20 ppm) CL2 (0-50/200 ppm) NH3 (0-500 ppm) H2 (0-1000 ppm) PH3 (0-10 ppm) ClO2 (0-50 ppm) HCN (0-50 ppm) O3 (0-100 ppm) HF (0-10ppm) |
| Humidity range | 10%-95% RH (no condensation) |
| Data Logging | Yes, Up to last 1000 Events Note: Required software and communication cable (Optional Accessory) |
| Size | 123.88x65x50.7 mm (L*W*H) |
|---|---|
| Alarm Methods | Sound, Light, and Vibration |
| Weight | 182 gms |
| Charger | USB powered DC 5V |
| Alarm Sound Intensity | 65dB@25cms |
| Gas | Range | Resolution | Default Alarms (Low/High) |
|---|---|
| Hydrocarbon Gas | 0-100% LEL | 1% LEL | 20/50 % LEL |
| Oxygen | 0-30% V/V | 0.1 % V/V | 19.5% /23 % V/V |
| Hydrogen Sulphide | 0-100 PPM | 1 PPM | 10/20 PPM |
| Carbon Monoxide | 0-500 PPM | 1 PPM | 24/160 PPM |
| Nitrogen Dioxide | 0-20 PPM | 0.1 PPM | 5/10 PPM |
| Sulphur Dioxide | 0-20 PPM | 0.1 PPM | 5/10 PPM |
| Chlorine | 0-50 & 0-200 PPM | 1 PPM | 5/10 PPM |
| Ammonia | 0-500 PPM | 1 PPM | 50/150 PPM |
| Hydrogen | 0-1000 PPM | 1 PPM | 50/150 PPM |
| Phosphine | 0-10 PPM | 0.1 PPM | 5/8 PPM |
| Chloride Oxide | 0-50 PPM | 1 PPM | 5/10 PPM |
| Hydrogen Cyanide | 0-50 PPM | 1 PPM | 5/10 PPM |
| Ozone | 0-100 PPM | 1 PPM | 10/20 PPM |
| Hydrogen Fluoride | 0-10 PPM | 0.1 PPM | 2/5 PPM |
Accessories
- Software and communication cable for data logging (optional)






