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Blade anvil and spindle for measurement of groove diameter of shafts and keyways
Digital, single-value readout LCD displays in inch and metric units for readability
Ratchet-stop mechanism helps provide uniform pressure for precise, repeatable measurement
Statistical Process Control (SPC) output transmits results to a computer or external device through an interface cable (sold separately)
Rated IP54 for resistance to penetration by dust and splashing liquid
The Mitutoyo 422 series LCD blade micrometer has blade anvil and spindle for measurement of groove diameter of shafts and keyways. It also has a ratchet-stop mechanism, an LCD digital readout that converts between inches and metric with resolution to 0.00005” (0.001mm) for outside diameter (OD) measurement, and Statistical Process Control (SPC) data output to transmit results to a computer or external device. The output jack transmits SPC results to a computer through an interface cable (sold separately). The micrometer’s electronic microprocessor can hold measurements at any position, convert to absolute value, set a temporary zero position, and return to a true zero reading. The electronics housing has an Ingress Protection 54 (IP54) rating, which means that components are resistant to debris and to splashing water from any direction up to a volume of 10 liters per minute. The steel frame has a black, heat-insulated finish, and the thimble and sleeve have a glare-free, satin chrome rust- and glare-resistant finish. The micrometer’s knurled friction thimble and ratchet-stop mechanism provide uniform pressure during adjustment. A spindle lock helps ensure quick spindle locking. The unit comes with an SR44 battery and a fitted plastic case.
Micrometers are precision measuring instruments that use a calibrated screw to measure small distances. These measurements are translated into large rotations of the screw that are then able to be read from a scale or a dial. Micrometers are typically used in manufacturing, machining, and mechanical engineering. There are three types of micrometer: outside, inside, and depth. Outside micrometers may also be called micrometer calipers, and are used to measure the length, width, or outside diameter of an object. Inside micrometers are typically used to measure interior diameter, as in a hole. Depth micrometers measure the height, or depth, of any shape that has a step, groove, or slot.
Mitutoyo manufactures precision measuring tools, metrology equipment, and systems. The company was founded in Tokyo in 1934 and formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, IL.
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