B-19BMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.MicrometerThe origin of Mitutoyo’s trustworthy brand of small tool instruments DIMENSIONSUnit: mmOutside MicrometersSERIES 406 —Non-Rotating Spindle Type• Non-rotating spindle.• Measuring face of the spindle is carbide tipped.• Spindle ø6.35 mm• Equipped with Ratchet Stop for constant measuring force.Digimatic models up to 75 mm measuring range Digimatic models over 75 mm measuring range406-250-30MetricOrder No.Range (mm)Resolution (mm)Accuracy* (µm)Flatness (µm)Parallelism (µm)406-250-300 - 250.001±30.33406-251-3025 - 50406-252-3050 - 75406-253-3075 - 100±44* Excluding quantizing error of ±1 countNote: For functional details of series 406, refer to page B-8. Please note that these models are not water-proof. Inch/MetricOrder No.Range (in)ResolutionAccuracy* (in)Flatness (in)Parallelism (in)406-350-300 - 10.00005 in/0.001 mm±0.000150.0000120.00012406-351-301 - 2406-352-302 - 3406-353-303 - 4±0.00020.00016* Excluding quantizing error of ±1 countTechnical DataBattery: SR44 (1 pc.), 938882, for initial operational checks (standard accessory)Battery life: Approx. 2.4 years under normal useLength standard: Electromagnetic rotary sensor Standard accessories: Reference bar, 1 pc.(except for measuring range 0-25 mm (0-1 in) models)Spanner (301336), 1 pc.Optional Accessories Connecting cables 1 m: 05CZA662 2 m: 05CZA663 USB Input Tool Direct USB-ITN-B (2 m): 06AFM380B U-WAVE-T dedicated connection cable 160 mm: 02AZD790B For foot switch: 02AZE140B Refer to page A-25 for details.c16.525LMinimummeasuring( length )a72.4ø1810.872.459bø14ø18712b10.8acL25ø 6.35（Spindle）ø 6.3 (Measuring face)ø 6.3 (Anvil)(Minimum measuring length)ø 6.3(Anvil)ø 6.3 (Measuring face)ø 6.35（Spindle）Range (mm)Labc 0 - 2507322.825 - 50259.84750 - 755011.26075 - 1007514.6572.3Wireless Data Output U-WAVE-TM264-622 (IP67 type)264-623 (Buzzer type)Connecting unit for U-WAVE-TM02AZF310 (IP67/buzzer type common specication)Refer to page A-15 for details.Products equipped with the measurement data output function can be connected to the measurement data network system MeasurLink (refer to page A-5 for details).