TESA UNIMASTER is an instrument to directly measure large internal or external diameters, up to 1,475 mm for internal diameters.
Established in 1941 and headquartered in Renens, Switzerland, TESA manufactures and markets precision measuring instruments that stand for quality, reliability and longevity.
For more than 75 years, TESA has distinguished itself in the market through its excellent products, its unique expertise in micromechanics and precision machining as well as its proven experience in dimensional metrology.
The TESA brand is the global market leader thanks to its wide range of instruments, including callipers, micrometers, dial gauges, lever-type dial test indicators and inductive probes.
In 2001, TESA became part of Hexagon, a leading global provider of information technologies.