Semiconductor Gas Sensor - MQ214
High Sensitivity
Fast Response and Recovery
Long Lifespan, Low Power Consumption and Cost
Simple Drive Circuit Required
Product Introduction
- 1. Semiconductor Gas Sensor MQ214 Product Description
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The MQ214 semiconductor gas sensor is suitable for detecting methane, natural gas, liquefied petroleum gas, and hydrogen. It features high sensitivity, fast response and recovery, long lifespan, low power consumption and cost, and requires only a simple drive circuit.
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- 2. Semiconductor Gas Sensor MQ214 Features
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High Sensitivity
Fast Response and Recovery
Long Lifespan, Low Power Consumption and Cost
Simple Drive Circuit Required
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- 3. Semiconductor Gas Sensor MQ214 Main Applications
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Household Combustible Gas Leak Alarms
Industrial Combustible Gas Leak Alarms
Suitable for detecting methane, natural gas, liquefied petroleum gas, and hydrogen
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4. Semiconductor Gas Sensor MQ214 Technical Specifications
| Product Model |
MQ214 |
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| Product Type |
Semiconductor Gas Sensing Element |
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| Standard Package |
Metal Package |
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| Detection Gas |
Methane, Natural Gas, Liquefied Petroleum Gas, Hydrogen |
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| Detection Concentration |
500-10000ppm; LPG and Propane; 1000-20000ppm Methane; 500-10000ppm Hydrogen |
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| Standard Circuit Conditions |
Loop Voltage |
Vc |
6V±0.1V |
| Sampling Resistor |
RH |
50Ω±1Ω (Room Temperature) |
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| Gas Sensing Element Characteristics under Standard Test Conditions |
Heating Power Consumption |
PH |
Approximately 150mW |
| Surface Resistance of Sensitive Body |
Rs |
20Ω-100Ω (in 5000ppm CH4 ) |
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| Sensitivity |
S |
Rs(in air)/Rs(5000ppm methane)≥3 |
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| Concentration Slope |
α | ≤0.6 (R5000ppm/R3000ppm CH4) |
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| Standard Test Conditions |
Temperature, Humidity |
20℃±2℃； 65%±5%RH |
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| Standard Test Circuit |
Vc:5.0V±0.1V； VH: 5.0V±0.1V |
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| Preheating Time |
No less than 24 hours |
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