MEASURING INSTRUMENTS CATALOG No.E2019
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B-13BMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.Ratchet stop typeFriction thimble type MicrometerThe origin of Mitutoyo’s trustworthy brand of small tool instrumentsOutside MicrometersSERIES 102•Heat-insulated frame.•Cut-away frame (behind anvil) for measuring in hard-to-reach places.•A ratchet stop or a friction thimble for a constant measuring force. •Measuring faces: Carbide. DIMENSIONSUnit: mmRatchet stop102-301An inspection certicate is supplied as standard. Refer to page U-11 for details.Metric Micrometer setOrder No.Range (mm)Models included102-911-400 - 100(Four micrometers per set)• 102-301 102-302 102-303 102-304• 3 micrometer standards(Minimum measuring length)(Anvil)(Spindle)(Measuring face)ø6.35ø1866.9baø6.3ø6.32c25L15Common specications:Measuring force: 5-10 NStandard accessories: Reference bar, 1 pc.(except for measuring range 0-25 mm models)Spanner (301336), 1 pc.(for measuring range 0-25 mm/25-50 mm models)Spanner (200877), 1 pc.(for measuring range 50-75 mm/75-100 mm models)SPECIFICATIONSMetricOrder No.Range (mm)Graduation (mm)Maximum permissible error JMPE* (µm)Flatness (µm)Parallelism (µm)Constant-force device 102-301 0 - 250.01±20.62Ratchet stop102-30225 - 50* Maximum permissible error of the indication measured by contacting the full measuring face with the object to be measured. JMPE is a term specied by JIS B 7502: 2016 which has been prepared based on ISO 3611: 2010 with some modications of the technical contents. The measurement method has not been changed from JIS B 7502: 1994. For details refer to B-74. MetricOrder No.Range (mm)Graduation (mm)Accuracy (µm)Flatness (µm)Parallelism (µm)Constant-force device 102-311 0 - 250.001±10.31Ratchet stop102-313friction thimble102-31225 - 50Ratchet stop102-30350 - 750.01±20.62102-30475 - 100±33Range (mm)Labc0 - 2505262.525 - 50257.83250 - 755010.64575 - 100751158

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