MQ7 GAS SENSOR CARBON MONOXIDE IN PAKISTAN

220.0

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    • Its operating voltages are DC 5V.
    • Its IC driver is LM 393.
    • Its size is 11 x 33 x 20 mm.
    • Its range is 10 to 1000 ppm.
    • Its characteristic gas is 100 ppm CO.
    • Its sensitive resistance is 2 to 20, 10k at 100 ppm CO.
    • Its sensitivity range is >= 30%.
    • Its return time is <= 30s.
    • Its heating resistance is 31 ohm
    • Its heating current is <= 180mA.
    • Its reaction time is <= 1s.
    • Its heating voltages are 5V 2V / 1.5 to 1V
    • Its heating power is approximately is 350mW.
    • Its ambient temperature is -20 degree to +50 degree.
    • Its humidity is <= 95%.
    • Its oxygen content is 21%.
    • If it has a higher concentration it will higher the voltage.
    • It can detect Carbon Monoxide with better sensitivity.
    • It has 4 screw holes for easy positioning
    • This product dimensions are 32 x 20 x 22 mm.
    • It is with long service life and reliable stability.
    • It gives rapid response and recovery characteristics.