Mine wind tunnel (open wind tunnel) Model: QRH29-KFS-I library: M379112 
 Mine wind tunnel (open jet wind tunnel) QRH29-KY FAN INEQUALITIES SYSTEM-I for more information >>> 
 midwest-group 
 Chinese and Western Group 
 Production standards: MT380-2007 "for use in mines wind speed table" MT448-1995 coal ultrasonic vortex wind speed sensor technology conditions ", 02-1996 Verification Regulation of (coal) mine using wind speed measuring instrument verification devices, Verification Regulation of (coal) 01-1996 mining the anemometer test procedures 

 Usage: open wind tunnel mining quickly and accurately provide the wind speed of 0.2-30M / S-the standard, mainly for wind table, wind speed sensors, as well as other gas flow meter calibration, meteorology, metrology, coal mines, industrial departments test specialized legal measuring instruments for wind speed meter. The wind tunnel with two rectifier, small size, high stability, smooth, open and wide range of applications. Wind tunnel using a small volume multi-leaf fan, high-performance frequency control, easy to use, low noise, fast action clamping agencies can quickly replace the orifice, and adjustable table, install the meter speed adjustment is simple, high efficiency wind tunnel comes with bracket, landing can use, easy to install. 

 Product Features: 

 A variable frequency control, you can achieve 0.2-30M / S continuously variable transmission. 

 2 to adapt to the different wind speed throttling device to determine the wind speed, and in situ differential pressure value is displayed. 

 Can determine the mechanical wind table. 

 4, can determine the Electronic winds table. 

 (5) the determination of wind speed sensors. 

 General performance is good, in full compliance with the MT380-2007 "for use in mines anemometer, MT448-1995" for use in mines ultrasonic vortex-type wind speed sensor technology conditions. 

 Beautiful appearance, good looks, rugged, simple and convenient operation. 

 8, remote installation, a total of four combinations, small footprint, combined with sealed condition of 

 Main technical indicators: 

 A wind speed measuring range: 0.2-30M / S 

 The diameter of the applicable wind table: Ф90MM (table diameter of the provisions of the measured wind is not more than 60% of the nozzle diameter) 

 3 airflow uniformity: Ф130MM 

 4 uniform airflow: less than 1.5% 

 Airflow stability: less than 0.5% 

 Dimensions: length * width * height 7300 * 1600 * 650 (MM) 

 7 device power supply: AC380V 50Hz 

 Detection types: wind table, wind speed sensor