Testing aid to measure great lengths.
Patent registered by Ludwig Nano Präzision GmbH
31800 Height rod
Measurements (L×W×H): 6000×40×X mm
Weight: 10kg
Resulotion: 1µm bzw. 10µm
Measuring force: 12N
Depth gauge in the ring: ~75mm extendable to >200mm
Range lenght: up to 6m