Description
MAIYA • MST-F100 • Combustible gas detector (NDIR)
Professional combustible gas detector for industrial safety monitoring. The MST-F100 uses NDIR sensing technology for stable detection of ex gases and supports remote alarm, control, and data transmission. The tool is suitable for oil, chemical, metallurgy, gas distribution, refining, and other hazardous environments.
The detector features an LCD display, self-diagnosis, adjustable alarm thresholds, and easy integration with PLC, DCS, and alarm systems. The detector complies with GB12358-2006 technical requirements for workplace gas detection alarm devices.
Key features and benefits
- NDIR sensing principle for combustible gas detection
- Measuring range: 10, 20, 50, or 100% VOL
- 12-30 V DC power supply
- 3-wire 4-20 mA output
- Optional RS485 or 2-wire 4-20 mA output
- 1 relay output
- Independent sound and light alarm interface
- LCD screen with large-character display
- Adjustable alarm threshold, zero, and span calibration
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 |
Detector Parameters
| Gas | Principle | Range | Low-point alarm | High-point alarm | Resolution |
|---|---|---|---|---|---|
| Combustible gas | NDIR | 0-100%LEL | 5 | 20 | 1/0.1PPM |








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