Description
MaiYa • MST-F100 • Hydrogen sulfide sensor (electrochemical)
The MaiYa MST-F100 hydrogen sulfide sensor is a professional-grade electrochemical gas detection transmitter, designed for high reliability in industrial environments. Utilizing advanced integrated circuit technology, the sensor offers exceptional performance, stability, and self-diagnosis capabilities. This sensor is ideal for applications in petroleum, chemical, metallurgy, and other industries requiring stringent safety monitoring. Equipped with a user-friendly LCD display and optional infrared remote control, the MST-F100 allows for easy operation and configuration. It complies with industry standards, including GB12358-2006 and JJG695-2003, ensuring reliable detection of hydrogen sulfide gas within a measuring range of 0-100 ppm. Key features and benefits:
Key features and benefits
- 12-30 V DC power supply
- 1 relay output
- 3-wire 4-20 mA signal output; RS485 or 2-wire 4-20 mA optional
- Independent sound and light alarm output
- Large character LCD display for clear readings
- Function buttons for easy settings adjustment
- Adjustable alarm thresholds with zeroing and span calibration
Included accessories
- Mounting hardware
- User manual
Specifications and configuration
| Power supply voltage | DC 12V ~ 30V, 500mA, power ripple is less than 20mV |
|---|---|
| Output error | <1% (4 ~ 20mA part) |
| Relay capacity | DC30V 1A |
| Environmental range | (-40 ~ 70) ° C (flammable) (-20 ~ 55) ° C (adjusted according to specific business needs. To achieve this value, temperature compensation is required.) (10 ~ 95) % RH without condensation |
| Atmospheric pressure | 90 ~ 110Kpa |
| Dimension | 193mm × 139mm × 92mm (L × W × H) |
| Shell material | Die-cast aluminum, explosion-proof, and anti-corrosion |
| Weight | 1.5 Kg (net weight of the instrument) |
| Explosion-proof mark | Ex d IIC T6 G |
Sensor Parameter
| Gas | Principle | Range | Low-point alarm | High-point alarm | Resolution |
|---|---|---|---|---|---|
| Hydrogen sulfide (H2S) | electrochemical | 0-100PPM | 10 | 20 | 1/0.1PPM |








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