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Winsen MQ-2, Manual

The Winsen MQ-2 is a high-quality gas sensor designed for detecting flammable gases in the air. For detailed information on how to use and maintain your MQ-2 sensor, please download the free manual from manualshive.com. The manual provides step-by-step instructions for optimal performance and safety.

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Flammable Gas Sensor

（

Model

：

MQ-2

）

Manual

Version: 1.4

Valid from: 2015-03-10

Zhengzhou Winsen Electronics Technology Co., Ltd

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Summary of Contents for MQ-2

Page 1: ...Flammable Gas Sensor Model MQ 2 Manual Version 1 4 Valid from 2015 03 10 Zhengzhou Winsen Electronics Technology Co Ltd...

Page 2: ...ance with the instructions If users disobey the terms or remove disassemble change the components inside of the sensor we shall not be responsible for the loss The specific such as color appearance si...

Page 3: ...e gases Features It has good sensitivity to propane smoke etc in wide range and has advantages such as long lifespan low cost and simple drive circuit etc Main Applications It is widely used in domest...

Page 4: ...in series with sensor Vc supplies the detect voltage to load resistance RL and it should adopts DC power Description of Sensor Characters Fig3 Typical Sensitivity Curve The ordinate is resistance rat...

Page 5: ...t 1 2 High Corrosive gas If the sensors are exposed to high concentration corrosive gas such as H2 S SOX Cl2 HCl etc it will not only result in corrosion of sensors structure also it cause sincere sen...

Page 6: ...ight water condensation will influence sensors performance lightly However if water condensation on sensors surface and keep a certain period sensors sensitive will be decreased 2 2 Used in high gas c...

Page 7: ...hlorine homothermal soldering iron Temperature 250 Time less than 3 seconds 2 7 1If users choose wave soldering the following conditions should be obey Soldering flux Rosin soldering flux contains lea...

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