CO Sensor CH4 Sensor - MQ-D9

  • CO Sensor CH4 Sensor
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MQ-D9 is a semiconductor sensor for co and CH4 which is mainly used as sensor element for detect natural gas, methane, liquefied gas, butane, propane, hydrogen, manufactured gas and carbon monoxide on leak detection ,monitoring, alarm and intelligent gas leak alarm system .

  • Model Number: MQ-D9
Quantity:
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Product Specification

CO Sensor CH4 Sensor MQ-D9

 

Specification:

MQ-D9 is a semiconductor sensor for co and CH4 which is mainly used as sensor element for detect natural gas, methane, liquefied gas, butane, propane, hydrogen, manufactured gas and carbon monoxide on leak detection ,monitoring, alarm and intelligent gas leak alarm system . It uses advanced flat production process, from the heater and micro- Al2O3 forming a metal oxide semiconductor material constituting the ceramic substrate , with the electrode wire leads, encapsulated in a metal tube housing, cap . When detecting the presence of gas, the gas concentration in air is higher, the higher the conductivity sensor; Using a simple circuit that can change the conductivity of the gas is converted to an output signal corresponding to the concentration.

 

Character:                                          

1. High sensitivity to carbon monoxide gas and methane gas

2. Low power consumption                        

3. Fast response and resume

4. Good stability and long life                        

5. Simple drive circuit

6. Small size

 

Application:

1. Domestic gas leakage detector

2. Industrial gas detector

3. Portable gas detector

 

Technical Parameter:

Gas: carbon monoxide and combustible gas Sensor
Detection range: Methane gas: 300 to 10000ppm

Carbon monoxide gas: 10 to 1000ppm

Characteristic gas: Methane gas: 5000ppm

 Carbon monoxide gas: 100ppm

Sensitivity: R in air / R in typical gas ≥ 5
Load Resistance: 1~50Ω adjustable
Response time: ≤ 30s
Recovery time: ≤ 60s
Heating current: <=80mA
Heating voltage: 5V
Measuring voltage: 5~50V
Operating Conditions Ambient temperature: -20~+55℃
                         Humidity: ≤ 95% RH
                         Environmental oxygen content: 21%
Storage conditions Temperature: -20~+70℃ 

                           Humidity: ≤ 70% RH

 

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