Zhengzhou Winsen Electronics Technology Co., Ltd www.winsen-sensor.com 2.7 Usage Conditions 2.7.1For sensor, handmade welding is optimal way. The welding conditions as fol ow: Soldering flux: Rosin soldering flux contains least chlorine homothermal soldering iron Temperature: 250℃ Time:less than 3 seconds If disobey the above using terms, sensors sensitivity wil be reduced. Zhengzhou Winsen Electronics Technology Co., LtdAdd: 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 Tel: 86-371-67169097/67169670 Fax: 86-371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China! Document Outline Flammable Gas Sensor Instructions: The above fig is the basic test circ Resistance of Sensitive materials (Rs)=(Vc/VRL-1)× Power consumption of Sensitive materials (Ps)=Vc2×