Dr. D. Wehrhahn Meßsysteme für Qualitätssicherung e.K.

Dr. D. Wehrhahn Meßsysteme für Qualitätssicherung e.K. is a German manufacturer of laser, ultrasonic, and tactile measurement systems for quality assurance based in Hannover, Lower Saxony. Founded in 1994, the company delivers non-contact and tactile inline measurement systems, distance sensors, and custom software solutions across diverse industrial sectors worldwide. Product offerings include OPTImess and OPTIscan 2D laser measuring systems, CatPro contact wire wear measuring devices, OVHWizard overhead wire position gauges, and PUR foam qualification systems. The business serves demanding industries including railway and tram infrastructure, steel production, tire and rubber manufacturing, and automotive engineering. Solutions range from single standard or custom-built sensors to complete measuring plants integrated directly into automated production lines. In addition to hardware manufacturing, Dr. D. Wehrhahn provides custom mechanical design, tailored evaluation software development, and system integration services. Certified according to DIN ISO 9001 standards, the company supports international clients with high-precision thickness measurement, wheel diameter checking, and profile monitoring equipment.