Din 52305 ~upd~ Guide

| Component | Specification per DIN 52305 | |-----------|-----------------------------| | Measurement bar | Steel or aluminum, straightness ≤ 0.02 mm over length | | Chord length L | Known ±0.1 mm, fixed between 100–500 mm | | Dial gauge | Resolution 0.01 mm, calibrated | | Support surface | Flat reference plane for gauge zeroing |

While Germany originated the standard (Deutsches Institut für Normung), DIN 52305 has been widely adopted across Europe and internationally as a de facto benchmark for quality in bent glass production, often harmonized with ISO and EN standards. din 52305