Flatness measuring device

Construction Rigide square-cut section. The 4 longitudinal measuring faces incl. their edges are plane, parallel and rectangular finely ground and lapped. The straight edge will be delivered in a storage box in very stabile design. Accuracy Tolerances for flatness, parallelism and rectangularity; please take a look at the table below. Material inoxydable, hardened steel Calibration certificate A test certificate is part of scope of delivery. Measuring results are rectraceable to National standards. On request: Factory calibration certificate or calibration certificate according to DAkkS. Square straight edges in other dimenions and of other materials, e.g. ceramics - Al2O3 - according to requirements.