HANWEI ELECTRONICS CO.,LTD MQ-136 http://www.hwsensor.com
TEL: 86-371-5333098 5333099 FAX: 86-371-5333090 E-mail: sensor@371.net
T E C H N I C A L D A T A
M Q-1 3 6 GAS SEN SOR
FEAT U RES
Fast response and High sensitivity
Stable and long life Simple drive circuit
APPLI CAT I ON
They are used in air quality control equipments for buildings/offices, are suitable for detecting of H2S.
SPECI FI CAT I ON S
A. Standard work condition
Symbol Parameter name Technical condition Remarks Vc Circuit voltage 5V± 0.1 AC OR DC VH Heating voltage 5V± 0.1 ACOR DC
RL Load resistance can adjust
HANWEI ELECTRONICS CO.,LTD MQ-136 http://www.hwsensor.com
TEL: 86-371-65333098 65333099 FAX: 86-371-65333090 E-mail: sensor@371.net
sensitive components. The enveloped MQ-136 have 6 pin ,4 of them are used to fetch signals, and other 2 are used for providing heating current.
Electric parameter measurement circuit is show n as Fig.2
E. Sensitivity characteristic curve
Fig.3 sensitivity characteristics of the MQ-136
SEN SI T V I T Y ADJ U ST M EN T
