Aktuelles, Fachberatung Kalibrierung einer Libelle in einer optischen Libelle Veröffentlicht von nivel 31. Juli 2022 An 26. Januar 2021 All measuring equipment should be periodically checked and calibrated. In today’s episode, we would like to present the calibration of a vial in an optical level. You can calibrate by yourself or visit our regional offices.Watch the movie (with english subtitles)