Breath Sensor MQ316


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  • Breath-Sensor-MQ316.png

Summary:

The gas-sensitive material used in the MQ316 odor sensor is a semiconductor material with low conductivity in clean air. When there is a gas to be measured in the environment where the sensor is located, the conductivity of the sensor increases as the concentration of the gas to be measured increases. Use a simple circuit to convert the change in conductivity into an output signal corresponding to the gas concentration .

Feature:

This product has high sensitivity to ethanol, hydrogen sulfide, and methyl mercaptan in a wide concentration range, and has the advantages of long life, low cost, simple driving circuit, etc.

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APPLICATION

Other Detector

Formaldehyde detector is an instrument for detecting formaldehyde. Generally, semiconductor sensors and electrochemical sensors are used to realize the rapid semi-quantification of formaldehyde in indoor air on the spot, which is characterized by simple structure, small size, intuitive,easy to carry and use.

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PARAMETER

Specification Product Size

Technical Data Sheet

Model No. MQ316
Sensor Type Semiconductor
Standard Encapsulation Metal
Target Gas Ethanol, hydrogen sulfide, methyl mercaptan
Detection range 5~ 200ppm ethanol
Standard Circuit Conditions Loop Voltage VC 3.0V±0.1V  DC
Heater Voltage VH 0.9V±0.1V AC or DC
Load Resistance RL Adjustable
Sensor character under standard test conditions Heater Resistance RH 4.0Ω±0.5Ω(room temp.)
Heater consumption PH ≤150mW
Sensitivity S Rs(in air)/Rs(10ppm alcohol)≥2
Output Voltage  Vs 1.0~3.0V (in 10ppm C2H5OH)
Concentration Slope α ≤0.6(R50ppm/R10ppm C2H5OH )
Standard test conditions Tem.  Humidity 20℃±2℃;50%±10%RH
Standard test circuit VC: 3.0V±0.1V;
VH: 0.9V±0.1V
Preheat time Not less than 48 hours

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We have 17 sensor series, 200+ categories, and 300+ detection objects for gas detection. Such as CO, CO2, VOC, PM2.5, CH4, LPG and so on. In particular, we also have MEMS sensors. According to your industry application, gas principle, power consumption, accuracy, and range requirements, and we can select a specific model for you. You can also use the product filter below to choose a suitable product, or choose online serivce.

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Winsen is a factory with over 30,000 square meters area and 500+ production machines which is focusing on sensors development&manufacturing. It has strong R&D strength with more than 100 R&D personnel.

How long is the delivery time?

1-7 days after received payment

What is your warranty term?

The warranty period is one year from the date of shipment. If the appearance of the product is not damaged, it can be returned after confirmation. For damage not caused by Winsen, the customer shall bear all maintenance costs.

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