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MQ-9B MQ-9 Semiconductor - type Gas Sensor For Domestic Gas Leakage Alarm

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MQ-9B MQ-9 Semiconductor - type Gas Sensor For Domestic Gas Leakage Alarm

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Model Number : MQ-9B

Place of Origin : CN

MOQ : 1

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 5000pcs

Delivery Time : 3-5work days

Packaging Details : Paper box

Brand Name : IRS4

Price : Negotiable

Model : MQ-9B

Sensor Type : Semiconductor

Standard Encapsulation : Plastic cap

Target Gas : Carbon Monoxide, Methane

Detection range : 10～500ppm CO,300～10000ppm CH4

Load Resistance : Adjustable

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MQ-9B MQ-9 Semiconductor - type Gas Sensor For Domestic Gas Leakage Alarm

Profile :

Sensitive material of MQ-9B gas sensor is SnO2, which with lower conductivity in clean air. It detects carbon monoxide (1.5V) by method of cycle high and low temperature. At high temperature (5.0V), it can detect CO as well as clean the other gases adsorbed at low temperature. The sensor’s conductivity gets higher along with the CO and CH4 gas concentration rising. Users can convert the change of conductivity to correspond output signal of gas concentration through a simple circuit.

Features:

It has good sensitivity to carbon monoxide and methane in wide range, and has advantages such as long lifespan, low cost and simple drive circuit &etc.

Main Applications:

It is widely used in domestic CO gas leakage alarm, industrial CO gas alarm and portable CO gas detector.

Vc (Circuit Voltage) 5V ± 0.1V (AC or DC)
VH(H) (Heating Voltage - High) 5V ± 0.1V (AC or DC)
VH(L) (Heating Voltage - Low) 1.4V ± 0.1V (AC or DC)
RL (Load Resistance) Adjustable
RH (Heating Resistance) 33Ω ± 5% (at room temperature)
TH(H) (Heating Time - High) 60 ± 1 seconds
TH(L) (Heating Time - Low) 90 ± 1 seconds
Ps (Heating Consumption) Less than 340mW
Tao (Using Temperature) -20°C - 50°C
Tas (Storage Temperature) -20°C - 70°C
Rh (Relative Humidity) Less than 95%RH
O2 (Oxygen Concentration) 21% (standard condition), minimum value is over 2%
Rs (Surface Resistance of Sensitive Body) 2 - 20kΩ (in 100ppm CO)
Detecting Range 10 - 1000ppm (Carbon Monoxide); 100 - 10000ppm (Combustible Gases)
Standard Working Conditions

Temperature: -20°C ± 2°C; Relative Humidity: 65% ± 5%;

Vc: 5.0V ± 0.1V; VH(H): 5.0V ± 0.1V; VH(L): 1.4V ± 0.1V
Preheat Time No less than 48 hours

MQ-9B MQ-9 Semiconductor - type Gas Sensor For Domestic Gas Leakage Alarm


Product Tags:

Carbon Monoxide MOS Sensor

      

Plastic Cap Encapsulation MOS Sensor

      

MQ-9B MOS Sensor

      
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