Since the late 1980s, Frank Rinn’s name has been inextricably associated with the RESISTOGRAPH®, the world’s first hand-held measuring unit that precisely detects the inner condition of trees and wood.

We define ourselves as a “Competence Company”. It is our goal to help you solve your professional or research tasks. However, we not only supply technologies and services, we also provide you with hands on assistance.

Our staff consists of a team of experts from many fields of natural and geo sciences.

Here you find numerous publications dealing with tree and wood analysis.