The MC105 Methane Gas Sensor Module is a high-sensitivity catalytic-type gas sensor designed to detect methane (CH₄), propane (C₃H₈), LPG, and carbon monoxide with exceptional accuracy. It utilizes a catalytic combustion principle where the sensing element reacts to combustible gases and changes its resistance, producing a proportional voltage output corresponding to gas concentration. A built-in compensating element stabilizes performance against temperature and humidity variations, ensuring reliable readings across diverse environments. The MC105 offers a fast response time (≤10 seconds), a wide detection range of up to 100% LEL, and a compact, durable plastic-encapsulated housing. This makes it ideal for gas leak alarms, industrial safety monitoring, and environmental applications requiring quick and accurate gas detection. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
Wide Gas Detection Capability: Detects methane, propane, LPG, CO, and other combustible gases.
Catalytic Combustion Principle: Provides precise and stable detection performance.
Fast Response & Recovery: Reacts within ≤10 seconds and recovers within ≤30 seconds.
Compensating Element: Corrects temperature and humidity effects for consistent readings.
Durable Design: Plastic-encapsulated for long service life in industrial environments.
High Linearity: Maintains ≤5% linearity for accurate measurement.
Versatile Applications: Suitable for safety monitoring, gas alarms, and air quality systems.
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Applications:
Industrial Gas Leak Detection: Ensures safety in factories, refineries, and chemical plants.
Residential Gas Alarms: Detects gas leaks in kitchens, boiler rooms, and commercial setups.
Environmental Safety Systems: Monitors air quality and combustible gas concentrations.
Gas Concentration Measurement: Used in LEL monitoring and gas analyzers.
Smart Home and IoT Projects: Enables integration with microcontroller-based gas alert systems.
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| General Specifications |
| Model | MC105 |
| Sensor Type | Catalytic Gas Sensor |
| Target Gases | Methane (CH₄), Propane (C₃H₈), LPG, CO |
| Encapsulation | Plastic |
| Operating Voltage | 2.5V ± 0.1V |
| Operating Current | 150mA ± 10mA |
| Sensitivity | 1% CH₄ @ 25–50mV, 1% C₃H₈ @ 30–70mV |
| Linearity | ≤5% |
| Measuring Range | 0–100% LEL |
| Response Time (90%) | ≤10s |
| Recovery Time (90%) | ≤30s |
| Operating Temperature | -40°C to +70°C |
| Operating Humidity | <95% RH |
| Storage Temperature | -20°C to +70°C |
| Shipment Weight | 0.02 kg |
| Shipment Dimensions | 3 × 3 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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Documentation:
How to Use the MC105 Gas Sensor Module
- Power the Sensor – Connect 2.5V DC power supply to the sensor module.
- Read Output Voltage – Monitor the analog voltage output to determine gas concentration levels.
- Calibrate the Sensor – Ensure the sensor is exposed to clean air before calibration for accurate readings.
- Integrate with Microcontrollers – Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers for real-time data monitoring.
- Implement Safety Measures – Use the sensor for gas leak detection & alarm systems in industrial and residential settings.
Package Includes:
1 x MC105 Methane Gas Sensor Module
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