Difference between revisions of "Gas Sensor - MQ-2"

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(Specification)
(Specification)
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[[File:MQ-2 0.jpg|200px]]
 
[[File:MQ-2 0.jpg|200px]]
  
Detection range: 300 to 10000ppmm
+
Detection range: 300 to 10000ppmm<br>
The characteristics gas: 1000ppmm, isobutane
+
The characteristics gas: 1000ppmm, isobutane<br>
Sensitivity: R in air / Rin, typical gas ≥ 5
+
Sensitivity: R in air / Rin, typical gas ≥ 5<br>
Sensing Resistance: 1KΩ 50ppm toluene to 20KΩ in.
+
Sensing Resistance: 1KΩ 50ppm toluene to 20KΩ in.<br>
Response time: ≤ 10s
+
Response time: ≤ 10s<br>
Recovery time: ≤ 30s
+
Recovery time: ≤ 30s<br>
Heat resistance: 31Ω ± 3Ω
+
Heat resistance: 31Ω ± 3Ω<br>
Heating current: ≤ 180mA
+
Heating current: ≤ 180mA<br>
Heating voltage: 5.0V ± 0.2V
+
Heating voltage: 5.0V ± 0.2V<br>
Heating power: ≤ 900mW
+
Heating power: ≤ 900mW<br>
Measuring voltage: ≤ 24V
+
Measuring voltage: ≤ 24V<br>
Working conditions of ambient temperature: -20 ℃ ~ +55 ℃
+
Working conditions of ambient temperature: -20 ℃ ~ +55 ℃<br>
Humidity: ≤ 95% RH
+
Humidity: ≤ 95% RH<br>
Environmental oxygen content: 21%
+
Environmental oxygen content: 21%<br>
Storage conditions Temperature: -20 ° C to +70 ° C
+
Storage conditions Temperature: -20 ° C to +70 ° C<br>
Humidity: ≤ 70% RH
+
Humidity: ≤ 70% RH<br>
  
 
==document==
 
==document==

Revision as of 06:28, 10 May 2012

Introduction

MQ-2 1.jpg

Arduino MQ-2 gas sensor module are used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.

Features: Wide detecting scope
Fast response and High sensitivity
Stable and long life
Simple drive circui

Specification

MQ-2 0.jpg

Detection range: 300 to 10000ppmm
The characteristics gas: 1000ppmm, isobutane
Sensitivity: R in air / Rin, typical gas ≥ 5
Sensing Resistance: 1KΩ 50ppm toluene to 20KΩ in.
Response time: ≤ 10s
Recovery time: ≤ 30s
Heat resistance: 31Ω ± 3Ω
Heating current: ≤ 180mA
Heating voltage: 5.0V ± 0.2V
Heating power: ≤ 900mW
Measuring voltage: ≤ 24V
Working conditions of ambient temperature: -20 ℃ ~ +55 ℃
Humidity: ≤ 95% RH
Environmental oxygen content: 21%
Storage conditions Temperature: -20 ° C to +70 ° C
Humidity: ≤ 70% RH

document

[MQ-2 datasheet]

Usage

MO-2 2.jpg

How to buy it

Click here to buy [Gas Sensor - MQ-2]