Mahr Federal (Providence, RI) has introduced the MarCheck measuring and evaluation unit for its high precision Linear 100 universal length measuring instruments. Results are shown in large digits on the display screen and can be output via USB or RS 232 ports. The Linear 100 delivers a direct measuring range of up to 50 mm (2 in.) and an application range of up to 100 mm (4 in.). The measurements are performed systematically using function keys. The Linear 100 features an adjustable 76 × 76 mm measuring table for precise adjustment of part position when measuring ODs, and a 4 to 40 oz adjustable measuring force that remains virtually constant over the measuring range. For ID measurement, the 100 mm × 185 mm worktable allows for precision part positioning for measurement. The integrated measuring system is based on the Abbe principle to eliminate cosine errors.
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