GT-7588-B3
Volleyball Impact Tester

This machine is designed to determine the resista nce to im pact of s oft volleyball . The soft volleyball is checked for surface damage after testing.

　　With other measuring instruments, you can meas ure such da ta as change in circumference, circumference variation, ball mass, etc.

　　The soft volleyball is thrown out to impact the concrete slab on a plane at a given speed by a ball serving machine. it will be conside redqualified if the rebounded volleyball is not damaged after successfully has passed a ring measured 2 m long and 1m in diameter for apredetermined number of tests.