Home > Products > Mine Electrical Equipment > MQ-4 Natural Gas Sensor MQ-4 Smoke Detection Sensors
MQ-4 Natural Gas Sensor MQ-4 Smoke Detection Sensors
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Product Details
| Place of Origin | Shandong, China | Brand Name | hw | |
| Model Number | MQ | Usage | Gas Sensor | |
| Theory | Inductance Sensor | Output | Digital Sensor |
Product Description
Specifications
1. Domestic gas leakage detector,2. Industrial CO detector,
3. Portable gas detector.
MQ series gas sensors
1. Features
*Good sensitivity to Combustible gas in wide range
* High sensitivity to Natural gas
* Long life and low cost
* Simple drive circuit
Application:
* Domestic gas leakage detector
* Industrial Combustible gas detector
* Portable gas detector
2. Applications
Sensitive material of MQ-4 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exist, the sensor’s conductivity is more higher along with the gas concentration rising.
The sensor could be used to detect different combustible gas, especially Methane; it is with low cost and suitable for different application.
Product Parameter:
Model No. | MQ-4 | ||
Sensor Type | Semiconductor | ||
Standard Encapsulation | Bakelite (Black Bakelite) | ||
Detection Gas | Natural gas/ Methane | ||
Concentration | 300-10000ppm | ||
Circuit | Loop Voltage | Vc | ≤24V DC |
Heater Voltage | VH | 5.0V±0.2V ACorDC | |
Load Resistance | RL | Adjustable | |
Character | Heater Resistance | RH | 31Ω±3Ω(Room Tem.) |
Heater consumption | PH | ≤900mW | |
Sensing Resistance | Rs | 2KΩ-20KΩ(in 5000ppm CH4 ) | |
Sensitivity | S | Rs(in air)/Rs(5000ppm CH4)≥5 | |
Slope | α | ≤0.6(R5000ppm/R3000ppm CH4) | |
Condition | Tem. Humidity | 20°C±2°C;65%±5%RH | |
Standard test circuit | Vc:5.0V±0.1V; VH: 5.0V±0.1V | ||
Preheat time | Over 48 hours | ||
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Contact Us
- Jining Hengwang Mining Machinery Co., Ltd.
- Contact nameAggy Li Chat Now
- Phone0086-537-2580608
- AddressDadi block, Jining, Shandong
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