Winsen MQ-2, Manual

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Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com
Tel: 86-371-67169097/67169670 Fax: 86-371-60932988 Email: sales@winsensor.com
Leading gas sensing solutions supplier in China!
If sensors meet strong concussion, it may lead its lead wire disconnected.
2.7 Usage Conditions
2.7.1For sensor, handmade welding is optimal way. The welding conditions as follow:

Soldering flux: Rosin soldering flux contains least chlorine

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 least chlorine

Speed: 1-2 Meter/ Minute

Warm-up temperature
：
100±20
℃

Welding temperature
：
250±10
℃

One time pass wave crest welding machine
If disobey the above using terms, sensors sensitivity will be reduced.
Zhengzhou Winsen Electronics Technology Co., Ltd
Add:
No.299, Jinsuo Road, National Hi-Tech Zone,
Zhengzhou 450001 China
Tel: +86-371-67169097/67169670
Fax: +86-371-60932988
E-mail: sales@winsensor.com
Website: www.winsen-sensor.com