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

Revision as of 06:27, 10 May 2012

Introduction

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

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

How to buy it

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