Difference between revisions of "Gas Sensor - MQ-2"
(→Specification) |
(→Specification) |
||
| Line 14: | Line 14: | ||
[[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
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]
