Table 3 Properties of gas sensors.
From: Research on odor prediction methods for coal spontaneous combustion based on E-nose technology
Serial number | Sensor model | Detection object | Sensitivity |
|---|---|---|---|
a | C1 | Ethanol, Natural gas | 1-100ppm |
b | C3 | Benzene, Toluene | 0.1-50ppm |
c | C4 | Ketones | 1-200ppm |
d | D1 | Methane, Butane, Propane | 1-5000ppm |
e | D2 | Ammonia | 1-30ppm |
f | D3 | VOC, Alcohol | 10-1000ppm |
g | D4 | Nitrogen dioxide | 0.01-20ppm |
h | D5 | Sulfur dioxide | 0.1-1000ppm |
i | D6 | Hydrogen sulfide | 1-100ppm |
j | Mos-1 | Acetaldehyde | 0.1-500ppm |
