产品属性
Introduction to MQ-5 sensor:
The gas sensitive material used in the MQ-5 gas sensor is tin dioxide (SnO2), which has low conductivity in clean air. When there is combustible gas in the environment of the sensor, the conductivity of the sensor increases with the increase of combustible gas concentration in the air. A simple circuit can be used to convert the change in conductivity into an output signal corresponding to the concentration of the gas. The MQ-5 gas sensor has high sensitivity to butane, propane and methane, and can give both methane and propane well. The sensor can detect a variety of combustible gases, especially natural gas, and is a low-cost sensor suitable for a variety of applications.
Suitable for household or industrial monitoring devices for LPG, natural gas and gas. Excellent resistance to ethanol and smoke interference.
Module features:
1. High quality double panel design with power supply indication and TTL signal output indication;
2. DO switching signal (TTL) output and AO analog signal output;
3. TTL output effective signal is low level. (When the output is low, the signal light is on and can be directly connected to the single chip microcomputer or relay module)
4, the analog output voltage, the higher the concentration of the voltage is higher.
5. Good sensitivity for detection of gas and natural gas.
6. Four screw holes for easy positioning;
7. Overall dimensions: 32(L)*20(W)*22(H)
8, with a long service life and reliable stability
9. Quick response and recovery features
Electrical performance:
Input voltage: DC5V power consumption (current) : 150mA
DO output: TTL digital quantities 0 and 1 (0.1 and 5V)
AO output: 0.1-0.3V (relatively pollution-free), the highest concentration voltage is about 4V
Special reminder: after the sensor is energized, it takes about 20 seconds to preheat, and the measured data will be stable. The sensor heating is a normal phenomenon, because there is an electric heating wire inside, if it is hot, it will be abnormal.
Test procedure:
Functions: This version of the test program
Using chip: AT89S52
Crystals: 11.0592 MHZ
Baud rate: 9,600
Compile environment: Keil
Arvin
United States
SD
Length of registration:2 years
AhmedFikery
China
Shanghai
Length of registration:4 years
C2178 Grigory Shalvaryan
China
东莞
Length of registration:2 years
M.H.M FAZIL
China
东阳市
Length of registration:4 years
黄小姐
China
东莞市常平镇
Length of registration:8 years
Aram Parsamyan
China
Shi jia Zhuang ( 石家庄 )
Length of registration:11 years
Ashot Stepanyan
China
东莞 (Dongguan)
Length of registration:9 years
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Mq-5 LPG Sensor Module Natural Gas City Gas sensor module/gas sensor
Mq-5 LPG Sensor Module Natural Gas City Gas sensor module/gas sensor has several brands around the world that may have alternate names for Mq-5 LPG Sensor Module Natural Gas City Gas sensor module/gas sensor due to regional differences or acquisition. Mq-5 LPG Sensor Module Natural Gas City Gas sensor module/gas sensor may also be known as the following names: