Datasheet > MQ-136

MQ-136

更新时间： 2024-11-26 01:24:11

品牌	Logo	应用领域
汉威 - HANWEI		/
页数	文件大小	规格书
2页	148K
描述
GAS SENSOR

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中文翻译

获取价格

数据手册

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MQ-136 数据手册

HANWEI ELECTRONICS CO.,LTD

MQ-136

http://www.hwsensor.com

TECHNICAL DATA

MQ-136 GAS SENSOR

FEATURES

Fast response and High sensitivity

Stable and long life

APPLICATION

Simple drive circuit

They are used in air quality control equipments for buildings/offices, are suitable for detecting of H S.

SPECIFICATIONS

A. Standard work condition

Symbol

V_H

R_L

Parameter name

Circuit voltage

Heating voltage

Load resistance

Heater resistance

Technical condition

5V± 0.1

can adjust

31Ω±5%

Remarks

AC OR DC

ACOR DC

R_H

Room Tem

P_H

Heating consumption

less than 800mw

B. Environment condition

Parameter name

Symbol

Tao

Technical condition

-10℃-45℃

Remarks

Using Tem

Tas

Storage Tem

-20℃-70℃

R_H

O₂

Related humidity

Oxygen concentration

less than 95%Rh

21%(standard condition)Oxygen

concentration can affect sensitivity

minimum value is

over 2%

C. Sensitivity characteristic

Symbol

Parameter name

Technical parameter

Ramark 2

Detecting concentration

scope：

Sensing

Resistance

30KΩ-200KΩ

(10ppm H₂S )

1-100ppm H₂S

Concentration

Slope rate

(20/5)

H₂S

≤ 0.65

Standard

Detecting

Condition

Temp: 20℃±2℃

Humidity: 65%± 5% Vh: 5V± 0.1

Vc:5V± 0.1

Preheat time

Over 24 hour

D. Structure and configuration, basic measuring circuit

Parts

Gas sensing

layer

Materials

SnO₂

Electrode

Electrode line

Heater coil

Tubular ceramic

Anti-explosion

network

Clamp ring

Resin base

Tube Pin

Ni-Cr alloy

Al₂O₃

Stainless steel gauze

(SUS316 100-mesh)

Copper plating Ni

Bakelite

Copper plating Ni

Fig. 1

Fig.2

Configuration A

Configuration B

A向

Structure and configuration of MQ-136 gas sensor is shown as Fig. 1 (Configuration A or B), sensor composed

by micro AL2O3 ceramic tube, Tin Dioxide (SnO2) sensitive layer, measuring electrode and heater are fixed into a

crust made by plastic and stainless steel net. The heater provides necessary work conditions for work of

TEL: 86-371-5333098 5333099

FAX: 86-371-5333090

E-mail: sensor@371.net

中文翻译

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