mq7

Specifications of Gas Sensor:

• 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.