Leading the world in rotary measurement since 1940
Leading the world in rotary measurement since 1940
+44 (0) 1225 426206

About RPI

About RPI

Rotary Precision Instruments (RPI) is the world’s leading specialist developer and manufacturer of precision positioning devices for high accuracy rotary and angular inspection systems.

​Over 75 years of engineering heritage underpins our rotary innovation and reputation as a leading supplier of measurement systems for Gas Turbine measurement and assembly, Calibration Laboratories, Coordinate Measurement and for wider inspection and measurement applications where high precision angular accuracy and axis geometry is demanded.​

At RPI, we are focussed on supplying enabling technologies to high value manufacturers and suppliers of large volume and heavy load components. One of our technology’s many applications is turbines for the aerospace and power generation industries in the global developed and emerging manufacturing economies.

RPI has extensive global experience and are experts in the supply of challenging and niche measuring solutions. Established in the 1940’s, RPI is based in the city of Bath, South West England, an area with a very strong Engineering pedigree.

The acquisition in 2011 by Huber Diffraktionstechnik GmbH based in Rimsting Germany has expanded and complimented RPI’s product portfolio and customer base in the areas of research and industrial measurement. Incorporating Huber, EIMELDINGEN, AIRMATIC, HORSTMANN and OMT precision rotary devices.