Smart support ... ... the calculation of the minimum distance and the minimum sample thickness for tests according to Vickers, Brinell and Rockwell you can find here!

Your everyday tool ... ... for the calculation of hardness valuess, test loads, diagonals, diameters and the HRC indentation depth. Click...

Check out the new Fast-Lane mode!

The Pro-Step stepper motor controler for the use of automatic cross tables with the new hardness testing software Pro-Command.

Modernization: Boost your hardness testing machine with the brand new hardness testing software Pro-Command!

Get a first glimpse into our new hardness testing software Pro-Command for fully automatic tests as well as for single measurements.

Unfortunately we cannot meet at the Control exhibition this year.
Watch our homepage the next days to find news about our products.

Even more efficient, clearer and more user-friendly: Our new hardness testing software will soon be available - with a modern, green user interface.

Having grown up with the hardness testing in the family business, the siblings Johannes and Luise Kessler founded their own company with Pro-K Prüftechnik in August 2019.

Pro-K Prüftechnik shows digital presence: The company's website went online on 29th January 2020. Tip: With our news you always stay up to date.