Description
MaiYa • MST101 • Portable gas detector for: NH₃
The MaiYa MST101 Single gas detector for NH3 is a professional-grade portable gas detection and alarm device designed for industrial applications. Its compact size and lightweight construction make it easy to carry, while the OLED display ensures visibility even in bright sunlight. The device features a robust rubber-coated plastic shell for enhanced waterproof performance and is made from anti-static materials to meet explosion-proof standards.
This gas detector continuously monitors ammonia concentrations in ambient air, providing sensitive and reliable detection for industries such as iron and steel metallurgy, petrochemicals, and emergency rescue. Ideal for professionals, it enhances safety in hazardous environments.
Key features and benefits
- Continuous detection of NH3 concentrations (0-100 ppm)
- Compact and lightweight design for portability
- OLED display for clear visibility in sunlight
- Waterproof rubber-coated plastic shell
- Explosion-proof compliance with anti-static materials
- Suitable for various industrial applications
Included accessories
- User manual
- Calibration certificate
- Carrying case
Specifications and configuration
| Sensor | Electrochemical, NDIR |
|---|---|
| Sampling Type | Diffussion |
| Carried Standard | GB12358-2006 |
| Work temp | -20℃ to 55℃ |
| Humidity | 0-95%, noncondensing |
| Screen | OLED Display |
| Display Content | Gas symbol, gas unit, real-time value, battery, calibration information, temperature, time |
| Alarm Signal | 95dB/ 10cm buzzer, red and yellow LEDs flash, built-in vibration |
| Alarm Mode | High Conc./ Low Conc./ TWA/ STEL/ Overrange/Low Battery/ Fall alarms |
| Alarm Set Point | Alarm threshold can be set freely |
| Calibration method | Zero/ span gas calibration |
| Typical Working Time | When the battery is fully charged >20 days. Charging time <4hours |
| Battery Parameter | Rechargeable lithium-ion explosion-proof battery, 3.7V-500mAh |
| Charging temp. | 0-40℃ |
| Shell Material | ABS, anti- static TPE |
| Size | 93mmx52mmx30mm (Contains no clip) |
| Weight | 98g |
| Safety Certifications | EX ib IIC T4 Gb II 1G Ex ia IIC T4 Ga 2014/30/EU (Electromagnetic Compatibility) |
Sensor Parameter
| Gas | Principle | Range | Resolution | Accuracy |
|---|---|---|---|---|
| NH3 | Electrochemical | 0~100PPM | 1PPM | ±10% |











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