![]() Table of tolerances according to DIN 874. Table of tolerances according to DIN 866. Tolerance of parallelism of the measuring surfaces at a measuring force of 10 N The most internationally widely used caliper standard ( DIN 862 Vernier calipers requirements, testing) gives the following requirements (all in mm) for caliper measurement accuracy: Accuracy of calipers according DIN 862 Nominal Legnth ġ = Permitted ±deviation at arbitrary point in relation to nominal dimension.Ģ = Permitted length variation (depending on flatness and parallelism error). 00, 0, 1 and 2 and the calibration Grade K. The permissible deviations and tolerances are stated for four grades of accuracy, i.e. ![]() Table of tolerances for gauge blocks according to DIN 861, corresponds with ISO 3650 and SS 3348.ĭIN 861 specifies the most important dimensional and quality characteristics of gauge blocks with a rectangular cross-section and a nominal length ln ranging from 0,5 to 1000 mm.
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