Making safety measurable
How the Gebrüder Heyl analysis technology shaped the TÜV At the end of the 19th century, steam boilers were ubiquitous and extremely dangerous to use. Serious accidents occurred time and again: boilers exploded, burst and claimed many lives. In response, boiler...
Tomorrow’s employees = support & challenge
On 21th January 2026, we welcomed three of our Germany Scholarship recipients to our company, two students from the University of Hildesheim and one student from HAWK University of Applied Sciences and Arts. After getting to know our managing director Tilman Heyl and...
Christmas party and start of the new year
From 23 December 2025 to 5 January 2026, we had our traditional company holidays. But before our Heyl crew went on Christmas holiday, we celebrated the festive season with a raffle, a turkey and other treats and gifts. There were also bratwurst sausages and drinks for...
The new Testomat® Pro CL series
The Testomat® Pro CL series is used for reliable monitoring of chlorination systems in a wide range of applications. These include industrial process water, swimming pool water treatment, drinking water treatment and dialysis water monitoring. The process photometer...