DFA Series High, Medium, and Low Wind Speed Mechanical Anemometers
High, Medium, and Low Wind Speed Mechanical Anemometers
DFA Mechanical Anemometer models include DFA-4 High-Speed Anemometer, DFA-2 Medium-Speed Anemometer, and DFA-3 Low-Speed Anemometer. Product performance classification introduction
The DFA Mechanical Anemometer is designed strictly in accordance with the requirements of China's coal industry standard MT380-95 "Coal Mine Anemometer" and is an instrument for measuring average wind speed. It is suitable for wind speed measurement in mines, construction, transportation, textiles, chemical industry, civil air defense engineering, grain processing, and aerodynamics research, among other applications.
DFA Series Mechanical Anemometer Technical Parameters
DFA-4 High-Speed Anemometer
1. Wind speed measurement range: 0.8～25 m/s
2. Starting wind speed: ≤0.6 m/s
3. Anemometer error complies with the table specifications:
Wind speed range (m/s) Nonlinear error value of anemometer (m/s)
0.8～5.0 ≤0.10
5.0～10.0 ≤0.15
>10.0 ≤0.20
4. Dimensions: 90*39*78(mm)
DFA-2 Medium-Speed Anemometer
1. Wind speed measurement range: 0.5～10 m/s
2. Starting wind speed: ≤0.4 m/s
3. Anemometer error complies with the table specifications:
Wind speed range (m/s) Nonlinear error value of anemometer (m/s)
0.4～5.0 ≤0.10
5.0～10.0 ≤0.15
4. Dimensions: 90*39*78(mm)
DFA-3 Low-Speed Anemometer
1. Wind speed measurement range: 0.3～5 m/s
2. Starting wind speed: ≤0.2 m/s
3. Nonlinear error value of anemometer: ≤0.10 m/s
4. Dimensions: 90*39*78(mm)

Zhengzhou Aidi produces Mechanical AnemometersSupplies Coal Drill Cuttings Desorption Instrument, Deep Hole Sampling Device, Pressure Measuring Instrument, Geological Exploration Desorption Instrument, Borehole Flow Meter, Mine Extraction and Outburst Prevention Equipment, True Density Measuring Instrument for Coal, Gas Content Measuring Instrument, Automatic Initial Gas Emission Rate Measuring Instrument, Diffusion Rate Measuring Instrument, Gas Parameter Instrument for Coal Extraction Pipelines, Borehole Coal Powder Circulation Device