ASME B89.1.10M pdf download DIAL INDICATORS FOR LINEAR MEASUREMENTS 8.2.4 Physical Dimensions. Refer to Fig. 1 for standard dimensions of Type A dial indicators. Types B and C (Figs. 2 and 3) are illustrated for general appearance. The individual manufacturer’s standard practice should be consulted. Table 1 shows size group limits for nominal bezel diameters and corresponding minimum position distances...