The dial indicator comes with a choice of flat or lug back for a variety of mounting options.
The choice of black or white dial and a contrasting hand help make measurements easy to read. The indicator has a 0.375" diameter stem, a #4-48 UNF contact point thread mount, and is used to measure surface variations in fractional inches. The company was founded in Tokyo in 1934 and formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, IL.The Mitutoyo dial indicator has a black or white face, a choice of flat or lug, a 0.375" stem diameter, and inch measurements. Mitutoyo manufactures precision measuring tools, metrology equipment, and systems. Some electronic models transfer the data electronically to a computer for recording and potential manipulation. Dial and dial test indicators can be analog, with a mechanical dial, or electronic, with a digital display. Dial test indicators are very similar to dial indicators, except that the axis of measurement is perpendicular to the axis of the indicator. Standard dial indicators measure the displacement along the axis of the indicator. Frequently used in manufacturing, laboratories, and other industrial or mechanical fields, dial indicators are used anywhere a small measurement must be found and recorded or transferred, such as checking the variation in tolerance of a workpiece. The dial magnifies the measurement so that it can more easily be read by the human eye. These precision measuring tools are used to accurately measure small linear distances and object sizes.
Optional features include jeweled bearings for high sensitivity and accuracy, a revolution counter to measure overall change, waterproof, dustproof, shockproof, a white or black face, and reverse reading for depth or bore gage measurement.ĭial indicators are also called dial gauges, dial calipers, and probe indicators. Continuous dials are used for direct readings and usually have a larger measurement range than balanced dials. Balanced dials are used to read the difference from a specific surface reference point. Dial readings with two digits, such as 0-100, indicate that the dial has a continuous dial. This dial indicator meets ANSI standards, Japanese Industrial Standard (JIS) B7503-1997, and American Gage Design (AGD) standards for face and thread size, and bezel and stem diameter.ĭial readings with three digits, such as 0-10-0, signify that the indicator has a balanced dial. It has a stem design that provides a long clamping range, no through screw-holes on the frame for dust- and water resistance, and an involute curved lifting lever that provides smooth movement of spindle and dovetail joint for a tool-less connection. The back on most indicators can be rotated to the vertical position. Lug back dial test indicators usually come with the lug installed horizontally. Lug back dial indicators have a protrusion with a hole to mount the indicator using a lug or nut and bolt. Flat back dial indicators are either clamp-mounted on the stem or plate-mounted on the rear of the indicator. The Mitutoyo dial indicator has a black or white face, a choice of flat or lug, a 0.375" stem diameter, and inch measurements.
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