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MQ-8 の電気的特性と機能
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MQ-8のメーカーはHANWEI ELETRONICSです、この部品の機能は「GAS SENSOR」です。 |
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製品の詳細 ( Datasheet PDF )
| 部品番号 MQ-8 |
| 部品説明 GAS SENSOR |
| メーカ HANWEI ELETRONICS |
ロゴ |
このページの下部にプレビューとMQ-8ダウンロード（pdfファイル）リンクがあります。 Total 2 pages |
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HANWEI ELETRONICS CO.,LTD
MQ-8
http://www.hwsensor.com
TECHNICAL DATA
MQ-8 GAS SENSOR
FEATURES
* High sensitivity to Hydrogen (H2)
* Small sensitivity to alcohol, LPG,cooking fumes
* Stable and long life
APPLICATION
They are used in gas leakage detecting equipments in family and industry, are suitable for
detecting of Hydrogen (H2), avoid the noise of alcohol and cooking fumes, LPG,CO.
SPECIFICATIONS
A. Standard work condition
Symbol
Parameter name
Technical condition
Remarks
Vc Circuit voltage
5V±0.1
AC OR DC
VH Heating voltage
PL Load resistance
RH Heater resistance
5V±0.1
10KΩ
31±5%
ACOR DC
Room Tem
PH Heating consumption
B. Environment condition
less than800mW
Symbol
Tao
Parameter name
Using Tem
Technical condition
-10℃-50℃
Remarks
Tas Storage Tem
-20℃-70℃
RH Related humidity
less than 95%Rh
O2
Oxygen concentration
21%(standard condition)Oxygen
minimum value is
concentration can affect sensitivity over 2%
C. Sensitivity characteristic
Symbol
Rs
Parameter name
Sensing Resistance
Technical parameter
10KΩ- 60KΩ
(1000ppm H2)
Ramark 2
Detecting concentration
scope：
100-10000ppm
α
(1000ppm/
Concentration slope rate
≤0.6
Hydrogen (H2)
500ppmH2)
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
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
Bakelite
Copper plating Ni
Configuration A
Fig. 1
Configuration B
Fig.2
A向
TEL: 86-371- 67169070 67169080 FAX: 86-371-67169090
A向
E-mail: sales@hwsensor.com
1 Page
合計 : 2 ページ |
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データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
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