Gas Sensor - MQ-2: Difference between revisions
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Measuring voltage: ≤ 24V | Measuring voltage: ≤ 24V | ||
Working conditions of ambient temperature: -20 ℃ ~ +55 ℃ | Working conditions of ambient temperature: -20 ℃ ~ +55 ℃ | ||
Humidity: ≤ 95% RH | |||
Environmental oxygen content: 21% | |||
Storage conditions Temperature: -20 ° C to +70 ° C | Storage conditions Temperature: -20 ° C to +70 ° C | ||
Humidity: ≤ 70% RH | |||
==document== | ==document== | ||
Revision as of 06:28, 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]