MQ-6 MOS Flammable Gas Sensor for Methane CH4 LPG Detection
|Characteristics:||Good sensitivity to flammable gas(Especially C3H8)|
|Notes:||Height with pins|
Sensitive material of MQ-6 gas sensor is SnO2, which with lower conductivity in clean air. When the target flammable gas exist, the sensor’s conductivity gets higher along with the gas concentration rising. Users can convert the change of conductivity to correspond output signal of gas concentration through a simple circuit.
MQ-6 gas sensor has high sensitivity to butane, propane, methane and can detect methane and propane at the same time. It also can detect kinds of flammable gases, especially LPG(Propane). It is a kind of low–cost sensor for many applications.
It is widely used in domestic gas leakage alarm, industrial flammable gas alarm and portable gas detector.
It has good sensitivity to flammable gas (Especially Propane) in wide range, and has advantages such as long lifespan, low cost and simple drive circuit &etc.
|Standard Encapsulation||Bakelite, Metal cap|
|Target Gas||LPG, CH4|
|Standard Circuit Conditions||Loop Voltage||Vc||5.0V±0.1V DC|
|Heater Voltage||VH||5.0V±0.1V AC or DC|
|Sensor character under standard test conditions||Heater Resistance||RH||30Ω±3Ω (RoomTemp.)|
|Sensitivity||S||Rs(in air)/Rs( in 2000ppm C3H8)≥5|
|Output Voltage||Vs||2.5V～4.0V (in 2000ppm C3H8)|
|Concentration Slope||α||≤0.6(R3000ppm/R1000ppm C3H8)|
|Standard test conditions||Tem. Humidity||20℃±2℃；55%±5%RH|
|Standard test circuit||Vc:5.0V±0.1V VH:5.0V±0.1V|
|Preheat time||Not less than 48 hours|
|O2content||21%（No less than 18%） O2 concentration effects initial value, sensitivity and repeatability.|
|Life span||10 years|
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
Customized technical design and function, LOGO and package are available without extra charge (including molding fee) for mass volume.
The sensors don't have sleeping mode. It can be set in program if needed.
All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.
The sensor has been fully tested (not calibrated) before leaving the factory. However, after transportation and storage, the environment conditions change, and the surface of the sensor absorbs moisture, mixed gas, pollution matters, etc. It is recommended that customers perform aging and calibration after sensors become stable according to the program and use occasions of the whole device.
15﹪-90﹪RH without condensation,greater or less than this range or long-term high temperature and high humidity will affect the life of the sensor.
Our sensors are certified with UL, CE, 3C, ROHS, anti-explosion, fire prevention, and coal mining safety according to different applications. And we provide assistance for new certification.
Many factors can cause the sensor to fail such as broken wires in transportation, poisoning, falling off of the sensitive material, damage to the heating wire (device), etc. Please find specific cause in each category with Winsen’s aftersales.
Winsen provides professional consultation and service before and after sales. We will recommend the best fitting sensor for your demand. If you have any problem, don’t hesitate to email us to email@example.com
Due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. But we will reply to your inquiry in 24 business hours.
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