UL 1439D Sharp Edge Tester
Sharp Edge Tester meets the standard requirement of UL1439D, and it
is used for testing whether the sharp edge of the electrical
products, such as computers, daily household appliances and
electronic equipments, is hazardous to user in touchable places. It
is used for safety testing.
Standard NO. of American UL-1439
Volume: 184×35×52 mm
Weight: 132 g
Accessory: TC-3 TAPE KIT(21 pcs)
1.Put the pressure testing cap on the tester
2.Put the pressure testing cap closes to the tested edge and move
the cap along the tested edge for 2 inches with a 0.68kg force,
then return to the starting point. The whole distance will be 4
3.After the movement, check the pressure testing cap. If the
outermost 2 layers(the simulative skin) have been scratched off,
the edge is considered as the sharp edge.
This tester is designed for the standard of UL. The UL company sets
up an objective standard to decide whether an edge meets the safety
requirement. Most of the UL standards to the consumption
products,such as edges, protruded parts, corners, cutouts, coiled
rims and handles ,need to smooth out to avoid getting hurt.