Mine Air Gauge - DFA-3 Low-Speed Air Gauge Mine Low-Speed Gauge Mechanical Anemometer
Purpose of DFA-3 Low-Speed Air Gauge
The DFA-3 Low-Speed Air Gauge is an instrument for measuring average wind speed, primarily used for measuring average wind speed in coal mine underground. It is also suitable for wind speed measurement in other scenarios such as construction, textiles, grain storage, and aerodynamic research.
The DFA-3 Low-Speed Air Gauge product complies with the coal industry standard MT380-2007.
Main Features
2.1 Small size, light weight, simple structure, and easy to use.
2.2 All steel components undergo heat treatment and polishing processes, ensuring instrument accuracy and durability.
3. Main Technical Parameters
3.1 Measuring range: 0.3—5 m/s
3.2 Starting wind speed: ≤0.2 m/s
3.3 Nonlinear error value of the air gauge: ≤0.1 m/s
3.4 Weight: 500 g
3.5 Dimensions: 90×78×39

Zhengzhou Aidi produces and supplies coal drill cuttings desorption instruments, deep hole sampling devices, pressure measuring instruments, geological exploration desorption instruments, borehole flow meters, mine extraction and outburst prevention equipment, true density measuring instruments for coal, gas content measuring instruments, automatic initial gas emission rate measuring instruments, diffusion rate measuring instruments, gas parameter instruments for coal extraction pipelines, and borehole coal powder circulation devices