>>>Manual: Click here to open<<<
Specification:
Detection range: 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
Size: 3.5 x 2.2cm (1.4 x 0.9inch)
Standard operating conditions:
Ambient Temperature: -20°C to +50°C
Humidity: ≤ 95%RH
Oxygen Content: 21%
Note:
Mainly used for CO, gas detection in family, factory or underground operation.
Package included:
1 x MQ-7 CO gas sensor module
Model | Gas Detection | Item ID |
MQ2 | flammable gas/smoke | 1144079 |
MQ3 | alcohol steam | 1414301 |
MQ4 | Natural gas/Methane | 1377624 |
MQ5 | Liquefied gas/Methane/Coal gas /LPG | 1378464 |
MQ6 | Liquefied gas/Isobutane/Propane/LPG | 1378477 |
MQ7 | Carbon monoxide | 915474 |
MQ8 | hydrogen | 1378425 |
MQ9 | Carbon monoxide flammable gas | 1378463 |
MQ131 | Ozone Concentration | 1183257 |
MQ135 | Ammonia/sulfide/benzene vapor | 1378465 |
A set of MQ | 1005800 |