for the use of the Sharp Edge Tester in order to provide an objective and uniform test method for determining compliance with an existing safety requirement. Most U.L. standards covering... is the leader in product safety testing equipment for edge sharpness. If you have a new product that you plan to submit to Underwriters Laboratories (UL) for approval, you must use... the two outer layers of the sensing tape on the Tape Cap exposing the black layer of tape. This means that your product does not meet UL s sharp edge testing safety standards. If you do...

About Us Sharp Edge Tester Sharp Edge Tester Home About Us The Original Engineer, Designer and Manufacturer of the Sharp Edge Tester and Tape Cap Kit. In 1973, the founders... of Technical Engineering Service Corporation were called upon by Underwriters Laboratories to design a tool that would test for edge sharpness according to its UL Standard 1439. For over... 40 years, Technical Engineering Service Corporation has been manufacturing the Sharp Edge Tester Model SET-50, continually making enhancements to ensure the tool operates...