MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino Compatible

Features:

• Brand new and high quality.
• Mainly used for CO collection detection in family, factory, underground operation.
• Detection Zone:10 to 1000ppmm.
• Characteristic Gas:100ppmm co.
• Sensitive Resistance:2KΩ to 20KΩ in 100ppm co.
• Sensitivity:≥3%.
• Response Time:≤1s.
• Recovery Time:≤30s.
• Heating Resistance:31Ω±3Ω.
• Heating Current:≤180mA.
• Heating Voltage:5.0V±0.2V /1.5±0.1V.
• Heating Power: about 350mW.
• Conditions:Ambient Temperature:-20℃～+50℃.
• Humidity:≤95%RH.
• Oxygen Content:21% .
• Size: 3.5cm X 2.2cm - 1.4inch x 0.9inch.