Compact Construction
The approximately 10 mm profile supports integration into space-constrained gas detection equipment.
SMX100 Series Miniature Industrial Intelligent Gas Sensor
The SMX100 Series is a compact intelligent gas sensor platform for detecting CO, H2S, O2 or CH4. It integrates the sensing element, signal-processing circuit, UART digital output and diagnostic functions into a low-profile module for easier integration into industrial gas detection equipment.
BrandWinsen
Sensing PrincipleElectrochemical / Catalytic
Target GasCO, H2S, O2, CH4
Product TypeIntelligent Gas Sensor Module
Compact Intelligent Gas Sensing
Product Overview
The SMX100 Series is designed for gas detection equipment that requires compact dimensions, digital communication and simplified system integration.
The series combines a gas sensing element with signal processing and a high-performance microprocessor. Depending on the model, it uses an electrochemical or catalytic sensing principle to detect carbon monoxide, hydrogen sulfide, oxygen or methane.
Its low-profile construction, UART output and integrated diagnostic functions help reduce external circuit design, assembly work and product development time.
Designed for Easier Integration
Key Features
UART Digital Output
Digital communication simplifies connection to the host controller and reduces analog circuit design work.
Integrated Processing
The sensing element and signal-processing circuit are integrated into one module for easier development.
Diagnostic Functions
Built-in diagnostic and adaptive functions support stable operation and equipment-level management.
Multiple Gas Options
The series includes dedicated versions for CO, H2S, O2 and CH4 detection.
Industrial Integration
Suitable for portable, fixed and embedded gas detection devices used in industrial environments.
Typical Use Cases
Applications
Industrial Safety
Petroleum and Petrochemical
Coal Mines
Warehousing
Utility Tunnels
Robotics and Intelligent Equipment
Series Comparison
Technical Specifications
| Parameter | SME100-CO | SME100-H2S | SME100-O2 | SMC100-CH4 |
|---|---|---|---|---|
| Detected Gas | Carbon Monoxide | Hydrogen Sulfide | Oxygen | Methane |
| Sensing Principle | Electrochemical | Electrochemical | Electrochemical | Catalytic |
| Measuring Range | 0.5–1000 ppm | 0.5–200 ppm | 0.6–25% vol. | 0–100% LEL |
| Resolution | 1 ppm | 0.1 ppm | 0.1% vol. | 1% LEL |
| Response Time | <30 s | <30 s | <15 s | <15 s |
| Output | UART | UART | UART | UART |
| Operating Voltage | 3.0–5.0 V DC | 3.0–5.0 V DC | 3.0–5.0 V DC | 3.0–5.0 V DC |
| Operating Current | <10 mA | <10 mA | <10 mA | <110 mA |
| Operating Temperature | Continuous: -20°C to +40°C; intermittent: -40°C to +60°C | |||
| Operating Humidity | 15–90% RH, non-condensing | |||
| Expected Lifetime | 5 years in air | |||
Confirm the latest datasheet, mechanical dimensions, communication protocol and calibration requirements before final product design.
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