Quality and certificates

ZORN INSTRUMENTS stands for top quality "Made in Germany". Numerous awards, several prizes and a wide range of certificates corroborate the high standards that the business sets itself! We have an in-house calibration stand approved by the German Federal Highway Research Institute (BASt) according to TP BF – StB Part B 8.4 that makes it possible to calibrate Light Weight Deflectometers in-house at ZORN INSTRUMENTS.


Approved calibration according to German Technical Test Specification for Soil and Rock in Road Construction TP BF-StB Light Weight Deflectometer

Approved calibration according to German Technical Test Specification for Soil and Rock in Road Construction TP BF-StB Light and Medium Weight Deflectometer

Certified according to
ISO 9001_2015 TÜV 2019 EN


and many more....

Here you come back to the Light Weight Deflectometer.