5pcs MQ-4B Sensor Gas Sensor CO CO2 Smoke Methane Sensor Detecting MQ Sensor DIY for Safety Detection System
- Stock: In Stock
- Model: EB0043503
- SKU: EB0043503
- The gas sensing material used in the MQ-4B methane sensor is tin dioxide (SnO2) with lower conductivity in clean . When there is a flammable gas in the environment where the sensor is located, the conductivity of the sensor increases as the concentration of flammable gas in the increases. The change in conductivity can be converted to an output signal corresponding to the gas concentration using a simple circuit.
Basic Circuit:
Package Included:
5 x MQ-4B Sensor Gas Sensor CO CO2 Smoke Methane Sensor
Shipping Time
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Shipping Rates
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
Shipping Method | Shipping Rates | Shipping Times |
Flat Shipping (Promotion) | $10 | About 5-30 Working Days to Worldwide (Only include Monday to Saturday ) |
Standard Express(0.5KG starting price listed) | Based On Weights | About 5-15 Working Days to Worldwide (Only include Monday to Saturday ) |
Priority Express (0.5KG starting price listed) | Based On Weights | About 3-7 Working Days to Worldwide (Only include Monday to Saturday ) |
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