Methane Gas Detection Sensor Module for Arduino - MQ4
SKU
MD-01894
Category: Environmental Sensors
Features
- Good sensitivity to Combustible gas in wide range
- High sensitivity to CH4, Natural gas.
- Small sensitivity to alcohol, smoke.
- Fast response Stable and long life
- Simple drive circuit
Specifications
- Sensor Type Semiconductor
- Power requirements: VCC - 5V±0.1
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- Detection Gas: Natural gas/Methane
- Detection Concentration: 200-10000ppm (Natural gas / Methane)
- Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)
- Heater consumption: less than 750mw
- Operating temperature: 14 to 122 °F (-10 to 50°C)
- RH Related humidity less than 95%Rh
- O2 Oxygen concentration is 21% (standard condition) - Oxygen concentration can affect sensitivity
- Load resistance: 20KΩ
- Sensing Resistance Rs: 10KΩ- 60KΩ (1000ppm CH4)
- Preheat time:Over 24 hour
- Standard Encapsulation Bakelite, Metal cap
MQ-4 Sensor Module
|
Pin Name |
Description |
|
VCC |
This pin powers the module, typically the operating voltage is +5V |
|
GND |
Used to connect the module to system ground |
|
Digital Out (DO) |
You can also use this sensor to get digital output from this pin, by setting a threshold value using the potentiometer |
|
Analog Out (AO) |
This pin outputs 0-5V analog voltage based on the intensity of the gas |
| Part Number | MQ-4 |
|---|---|
| Weight (KG) | 0.050000 |
| Packing Unit | 1 Piece |
| Product Availability | In Stock |
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