Company profile

WYLER AG, headquartered in Winterthur, Switzerland, can look back on a tradition in the field of inclination measurement that dates back more than 80 years. Thanks to the application of cutting-edge technologies and consistent development of new products, WYLER AG is among the world’s leading producers of precision inclination measuring devices and systems. From traditional precision spirit levels to complex electronic measuring systems, WYLER products are used successfully around the world.

As far back as ancient times angle measurement was used in the construction of buildings, for the drawing up of simple city plans, and of course for maritime navigation. The tools were very imprecise, and only through the development of new materials and processing techniques was it possible to develop new and more precise angle measurement tools. For example, such improvements led to the development of the sextant, based on the plans of English physicist and astronomer Isaac Newton, in 1727, and the first theodolite, built by the physicist Dollond in 1760. Both tools can be regarded as milestones in the history of angle measurement.


The measurement of angles and inclinations is indispensible in modern technology. Inclination measurement, a special area of angle measurement, is used in various forms, particularly for quality assurance purposes. A clinometer can be used to measure not only an inclination, but also the straightness of a line, e.g. a guideway or a surface profile, as well as for the long-term inclination monitoring of structures.   


Due to increasing requirements surrounding precision, resolution, reliability, and recording, the classic spirit level that had well-served engineers in the past during the construction of buildings, bridges, and machines is being increasingly replaced with electronic inclination measurement systems and corresponding analysis software. 


The latest development is a move toward inclination sensors that are integrated together with sensors for other metrics. Their measurement data can be transmitted via cable connections or  wireless standards such as Bluetooth, WLAN, etc. and read by an appropriate evaluation unit. Many of our customers are increasingly using our measuring devices and sensors as part of a high-level digital network. The measurement data is forwarded to an information system where it is processed, e.g. for monitoring a structure, for managing a process, or for statistical purposes, for example within a quality assurance system.