First, use
* This instrument is accurate and durable, and it is used to detect whether the toy has harmful side.
Second, the principle
* This instrument uses a cylindrical rotating speed to allow the PTFE adhesive tape to wrap around its perimeter, and the edge is subjected to 1.35 Lbs force in the middle of the width of the adhesive tape. When maintaining uniform force on the test edge, Allows the shaft to make a complete turn.
*This test instrument meets the following standards: 16CFR 1500.49 ASTM F963 4.7EN71-1998.8.11
*Accessories: 1 sharp edge tester, 1 set of foot switch, 1 power supply charger, 1 operating manual
* Optional accessories: Libian test adhesive paper 1 roll