GAS SENSOR
HANWEI ELECTRONICS CO.,LTD
TECHNICAL DATA
MQ-136
http://www.hwsensor.com
MQ-136 GAS SENSOR
FEATURES
Fast response a...
Description
HANWEI ELECTRONICS CO.,LTD
TECHNICAL DATA
MQ-136
http://www.hwsensor.com
MQ-136 GAS SENSOR
FEATURES
Fast response and High sensitivity
Stable and long life
Simple drive circuit
APPLICATION
They are used in air quality control equipments for buildings/offices, are suitable for detecting of H2S.
SPECIFICATIONS
A. Standard work condition
Symbol
Parameter name
Vc Circuit voltage
VH Heating voltage
RL Load resistance
RH Heater resistance
PH Heating consumption
B. Environment condition
Symbol
Parameter name
Tao Using Tem
Tas Storage Tem
RH Related humidity O2 Oxygen concentration
C. Sensitivity characteristic
Symbol
Parameter name
Rs Sensing Resistance
Technical condition 5V±0.1 5V±0.1 can adjust 31 5% less than 800mw
Technical condition -10 -45 -20 -70 less than 95%Rh 21%(standard condition)Oxygen concentration can affect sensitivity
Technical parameter 30K -200K
(10ppm H2S )
Concent rat ion
(20/5)
Slope rate
0.65
H2S Standard Detecting Condition
Temp: 20 2
Vc:5V±0.1
Humidity: 65%±5% Vh: 5V±0.1
Preheat time
Over 24 hour
D. Structure and configuration, basic measuring circuit
Remarks AC OR DC ACOR DC
Room Tem
Remarks
minimum value is over 2%
Ramark 2 Detecting concentration scope 1-100ppm H2S
Parts 1 Gas sensing
layer 2 Electrode 3 Electrode line 4 Heater coil
5 Tubular ceramic 6 Anti-explosion
network 7 Clamp ring
8 Resin base 9 Tube Pin
Materials SnO2
Au Pt Ni-Cr alloy Al2O3 Stainless steel gauze (SUS316 100-mesh) Copper plating Ni Bakel...
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