A centesimal dial comparator is defined as a comparison measurement instrument in which the movements of a rod are amplified and transmitted to an index that rotates in front of a graduated circular dial. Functional, dimensional characteristics and nomenclature of the component parts: of the component parts (probe rod, probe, sleeve, index, dial, ring nut, graduation, totalizer, ear, transparent protective screen, reference indices, button, diameter of the ring nut, protrusion of the probe, useful stroke). Accuracy classes and quality characteristics. Verification methods (fidelity, precision, measurement strength).
UNI 4180-1970 history
1970UNI 4180-1970 Measuring instruments. Dial gauges reading in 0,01 mm.