GFA-III/GFA-II/GFA-IV Coal Mine Mechanical Anemometer Application It is small, light in weight, easy to operate and convenient to use. It can be widely used to measure the average wind speed in all kinds of environment.
Main specification Item | Specification |
CFJ5 GFA-III | CFJ10 GFA-II | CFJ25 GFA-IV |
Measuring range (m/s) | 0.3-5 | 0.5-10 | 0.8-25 |
Starting air-velocity (m/s) | 0.2 | 0.4 | 0.6 |
Tolerance (m/s) | 0.15 | 0.15 | 0.25 |
Dimensions | Ф70×39 mm |
Weight | 0.3kg |