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The Mitutoyo 293 series Quickmike Coolant Proof LCD micrometer has a digital single-value LCD readout that displays in inch and metric units with resolution to 0.00005” (0.001mm) for outside diameter (OD) measurement. A ratchet thimble mechanism helps provide uniform pressure for precise, repeatable measurement. It also has a non-rotating spindle that helps provide steady positioning during measurement, and a Quickmike spindle that feeds at a rate of 0.4” (10mm) per revolution for productivity. It uses the Mitutoyo ABSOLUTE electrostatic capacitance linear encoder to help prevent overspeed errors and help ensure repeatable, precise measurement.
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. An output jack transmits Statistical Process Control (SPC) data results to a computer or external device through an interface cable (sold separately). The micrometer 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 spindle and anvil have flat measuring faces and are carbide-tipped for wear resistance. The micrometer includes, and is powered by, a single SR44 silver oxide battery, and comes with a plastic case for storage.
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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