1.Application Used to determine friction coefficients of road surface, airport runway, marking paint, etc., and to determine the friction coefficients of typical road surfaces to provide a basis for various tire compounds. The tester is characterized by convenient debugging, simple operation, less impact on traffic during measuring, more stable data, and usage in both indoor and outdoor circumstances. 2.Technical parameters Weight of pendulum150030g Distance between pendulum to its center of gravity4105mm Static pressure of rubber slide to pavement2263g Pendulum head slide at 5, swing to stop timesnot less than 70 times Normal static pressure of rubber slide to the edge of the rubber slide:510mm Weight14kg