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      Zhengzhou Winsen Electronics Technology Co., Ltd                         

www.winsen-sensor.com

                                    

 

 

Tel: 86-371-67169097/67169670    Fax: 86-371-60932988                                Email

[email protected]

 

 

 

 

 

 

MEMS Combustible Gas Sensor 

Model No.

GM-402B

 

 
 

Manual 

 

 

 

 

Version: 1.1 

Valid from: 2017-05-10 

 

 

 

Zhengzhou Winsen Electronics Technology Co., Ltd 

 

Содержание GM-402B

Страница 1: ...y Co Ltd www winsen sensor com Tel 86 371 67169097 67169670 Fax 86 371 60932988 Email sales winsensor com MEMS Combustible Gas Sensor Model No GM 402B Manual Version 1 1 Valid from 2017 05 10 Zhengzho...

Страница 2: ...suse please read the manual carefully and operate it correctly in accordance with the instructions If users disobey the terms or remove disassemble change the components inside of the sensor we shall...

Страница 3: ...tible gases Small sizes and low power consumption Fast response and resume Simple drive circuit Long lifespan Application Gas leak detection for mobile phones computers and other consumer electronics...

Страница 4: ...B test circuit Instructions The above fig is the basic test circuit of GM 402B The sensor requires two voltage inputs heater voltage VH and circuit voltage VC VH is used to supply specific working tem...

Страница 5: ...4 Typical temperature humidity characteristics Rs means resistance of sensor in 5000ppm methane CH4 under different temp and humidity Rso means resistance of the sensor in 5000ppm methane under 20 55...

Страница 6: ...ases preheating time the relationship between input and output is not linear hysteretic and non repetitive For absolute concentration measurement they need regular calibration one point calibration mu...

Страница 7: ...sensors surface and keep a certain period sensors sensitive will be decreased 2 2 Used in high gas concentration No matter the sensor is electrified or not if it is placed in high gas concentration f...

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