| Model | MP-9 | ||
| Sensor Type | Flat Surfaced Semiconductor | ||
| Standard Encapsulation | Metal Cap | ||
| Target Gas | CO, CH4 | ||
| Detection range | 50～1000ppm CO,300～10000ppm CH4 | ||
| Standard Circuit Conditions | Loop Voltage | Vc | ≤10V DC |
| Heater Voltage | VH | 5.0V±0.1V AC or DC (High temp.) 1.5V±0.1V AC or DC (Low temp.) | |
| Heating Time | TL | 60S±1S (High temp.) 90S±1S (Low temp.) | |
| Load Resistance | RL | Adjustable | |
| Sensor character under standard test conditions | Heater Resistance | RH | 105Ω±10Ω (room tem.) |
| Heater consumption | PH | ≤240mW | |
| Sensitivity | S | Rs(in air)/Rs(in 100ppm CO)≥3 Rs(in air)/Rs(in 5000ppm CH4)≥3 | |
| Output voltage | Vs | 2.5V ～ 4.3V (in 100ppm CO) 2.0V ～ 4.0V (in 5000ppm CH4) | |
| Concentration Slope | α | ≤0.6(R300ppm/R50ppmCO) ≤0.6(R5000ppm/R1000ppm CH4) | |
| Environment Conditions | Operation Temp. | Tao | -10℃~50℃ |
| Storage Temp. | Tas | -20℃~70℃ | |
| Relative Humidity | RH | Less than 95%RH | |
| O2 concentration | O2 | 21%±1%(can’t be less than 18%) O2 concentration effects sensor’s performance. | |
| Preheat time | Not less than 48 hours | ||
CO Sensor
MP-9 CO/CH₄ Semiconductor Flat Surface Gas Sensor – Dual-Gas Detection Module
₹472.00 Price With Tax
Buy the MP-9 CO/CH₄ semiconductor flat surface gas sensor for reliable carbon monoxide and methane detection. High sensitivity, fast response, and easy integration for safety alarms, air quality monitors, and DIY electronics.
Available to Order lead time minimum 5-7 Weeks , Minimum quantity to order 5 pcs.
15 Days Warranty
This product comes with a 15-day warranty starting from the date of delivery. The warranty covers manufacturing defects only. If a defect is confirmed, the item will be replaced.
Warranty will not apply if:
- The product has been misused, dropped, or damaged.
- It has been exposed to water, fire, chemicals, or static discharge.
- It has been tampered with, soldered, or altered in any way.
MP-9 CO/CH₄ Semiconductor Flat Surface Gas Sensor – Dual Gas Detection Module
The MP-9 CO/CH₄ Semiconductor Flat Surface Gas Sensor is a versatile and high-performance gas detection module designed for accurate measurement of both carbon monoxide (CO) and methane (CH₄) gases. Engineered with advanced semiconductor sensing technology and a flat surface design, this sensor delivers responsive, stable, and dependable detection — making it ideal for home safety systems, industrial monitoring, indoor air quality solutions, and electronics projects.
Carbon monoxide is an odorless, colorless, and potentially lethal gas produced by incomplete combustion of fuels such as gasoline, wood, and natural gas. Methane (CH₄), while non-toxic, is highly flammable and poses explosion risks at elevated concentrations. The MP-9 sensor helps users detect and monitor both gases in real time, adding an extra layer of safety where traditional single-gas sensors may fall short.
Key Features
- Dual-gas detection: Accurate sensing of CO and CH₄ gases
- Semiconductor sensing technology for high sensitivity
- Flat surface design for easy mounting and integration
- Fast response and rapid recovery time
- Stable analog output for signal processing
- Low cost and easy to interface with microcontrollers
- Compact and rugged form factor
Perfect for Multiple Applications
The MP-9 CO/CH₄ sensor is a multipurpose detection solution for a wide range of environments and product types:
- Home safety alarm systems
- Indoor air quality (IAQ) monitors
- Portable CO and methane detectors
- Smart home safety products
- Industrial gas leak detection systems
- HVAC and ventilation safety monitoring
- Arduino, Raspberry Pi & IoT projects
- Educational and DIY electronics kits
How the MP-9 Sensor Works
The MP-9 utilizes semiconductor sensing technology featuring a sensitive tin dioxide (SnO₂) layer. When carbon monoxide or methane molecules interact with the sensor’s surface, the electrical resistance of the sensing element changes proportionally to the gas concentration. This change is converted into a measurable analog voltage output that can be read by microcontrollers, alarm circuits, or signal processors.
Compared with traditional cylindrical or bead-type sensors, the flat surface design of the MP-9 provides a larger sensing area and simplified mounting, making system integration faster and more flexible.
Performance Highlights
Dual Detection: Monitors both CO and CH₄ reliably
Fast Response: Rapid reaction to rising gas levels improves safety response time
High Sensitivity: Detects a wide concentration range of both gases
Stable Output: Consistent signal supports easy calibration and processing
Durable & Cost-Effective: Reliable performance at an affordable price
Why Choose the MP-9 CO/CH₄ Sensor?
The MP-9 CO/CH₄ Semiconductor Flat Surface Gas Sensor is an excellent choice for anyone seeking a dual-gas sensing solution that combines performance, ease of use, and affordability. Whether you are designing a home safety alarm, developing a portable gas detector, or creating an IoT air quality monitoring system, the MP-9 sensor delivers the responsiveness and reliability your project requires.
With real-time gas detection and straightforward integration, the MP-9 helps protect people, property, and environments from the hazards of carbon monoxide and methane — making it ideal for both consumer safety products and professional monitoring systems.
| Weight | 0.200 kg |
|---|---|
| Dimensions | 12 × 6 × 6 cm |
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