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MQ-4 : ARDUINO GAS SENSOR
By --
SKU : MQ-4
MQ-4 GAS SENSOR have a good sensitivity to CH4, Natural gas. And also Fast response Stable and long life.
AED 8.00
Add to Inquiry
Description
Features
Good sensitivity to Combustible gas in wide range
High sensitivity to CH
4
, 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 CH
4
)
Preheat time:Over 24 hour
Standard Encapsulation Bakelite, Metal cap
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