In addition to our product offerings, we also provide the following services:

Recalibration of Sharp Edge Tester Model SET-50™
Underwriters Laboratories U.L. Standard 1439 – Test for Sharpness of Edges – recommends your tester be recalibrated at least once a year. It should also be recalibrated if it is heavily used or if it has been accidentally dropped. Should your tester need to be recalibrated, Technical Engineering Service Corporation, manufacturer of the Sharp Edge Tester Model SET-50™, offers recalibration services.

If you are interested in having your tester recalibrated, please e-mail us at We will send you our Recalibration Information Sheet that contains cost, lead time, and where to send your tester back.

Repairs and Replacement Parts
If your tester needs repairs or replacement parts, we will examine your tester and contact you to explain what needs to be done and the cost. We will not perform any work until you, the Customer, authorize the work.

Technical Engineering Service Corporation provides recalibration, repair and replacement part services only to its own products, which are proudly made in the USA.