Automatic Wool Fineness Tester, using Airflow method to test the Wool Fineness with the widest measurement range from 12 ~ 50um , test results are directly displayed on the LCD screen, and can also be connected with the computer via USB port, with LAB test software offered, to analysis and print out the perfect test report. The simple and fast test operation is widely used in wool research, wool purchase inspection, wool production and trading, etc.