Datasheet > MQ-131

MQ-131

更新时间： 2024-11-28 01:25:11

品牌	Logo	应用领域
汉威 - HANWEI		/
页数	文件大小	规格书
2页	83K
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-131 数据手册

HANWEI ELECTRONICS CO.,LTD

MQ-131

http://www.hwsensor.com

TECHNICAL DATA

MQ-131 GAS SENSOR

FEATURES

Fast response and High sensitivity

Stable and long life

Simple drive circuit

Wide detecting range

APPLICATION

They are used in air quality control equipments for

buildings/offices, are suitable for detecting Of O₃.

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

6V± 0.1

Variable

31Ω±5%

Remarks

AC OR DC

R_H

Room Tem

P_H

Heating consumption

Less than 1100mw

B. Environment condition

Parameter name

Symbol

Tao

Technical condition

-10℃-50℃

Remarks

Using Tem

Tas

Storage Tem

-20℃-70℃

R_H

Related humidity

Less than 95%RH

C. Sensitivity characteristic

Symbol

Parameter name

Technical parameter

Remark 2

Detecting concentration

scope：

Sensing

Resistance

100KΩ-200KΩ

(50ppb O₃)

10ppb-2ppm O₃

Concentration

Slope rate

α O₃

(100ppb/50ppb)

≤ 0.65

Standard

Temp: 20℃±2℃

Vc:5V± 0.1

Detecting

Condition

Preheat time

Humidity: 65%± 5% Vh: 6V± 0.1

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

A向

TEL: 86-371-5333098 5333099 FAX: 86-371-5333090

E-mail: sensor@371.net

中文翻译

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