C-3CMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.• Three-point internal micrometer with large LCD readout. (Character height 7.4 mm)• Titanium-coated measuring pins provide excellent durability and impact resistance.• Only one SR44 battery is required and battery life is approx. 1.2 years under normal use.• ABSolute and INCremental measurement modes allow highly efcient operation.• The IP65 protection rating allows the instrument to be used in the presence of splashing coolant. • Measurements can be made close to the bottom of a blind hole.• Deep holes can be measured by attaching an Extension Rod (optional).• A function lock prevents accidental change of reference point. • Measurement data output enables operation with Statistical Process Control (SPC) and measurement control systems. Refer to page A-3.• An interface input tool is available for transferring measurement data, under keyboard control, directly to commercial spreadsheet software. Refer to page A-5. • Interchangeable-Head Sets (interchangeable measuring heads type) covering an extended measuring range using multiple heads and Non-interchangeable-Head Sets are available.• For details of Setting Rings, refer to page C-47.HoltestFor easy and accurate measurement of inside diametersDigimatic Holtest SERIES 468 —Three-point Internal MicrometersTechnical Data• Battery: SR44 (1 pc), 938882, for initial operational checks (standard accessory)• Battery life: Approx. 1.2 years under normal use• Scale type: Electromagnetic induction-type rotary encoderFunctionsZero-settingOrigin restorationData hold2-point Preset Function lock (see illustration of lock symbol below)inch/mm readout (inch/mm models)Automatic power ON/OFFError alarm Data output Optional AccessoriesRefer to page A-25 for details.• USB Input Tool Direct (2 m): 06AFM380B• Connecting cables for U-WAVE-T For standard (160 mm): 02AZD790B For foot switch: 02AZE140B 468-168468-161L3L4L5IP Codes Level 6:Dustproof.No ingress of dust allowed. Level 5:Protected against water jets.Water projected in jets against the enclosure from any direction shall have no harmful effects.Range (mm)L3(mm)L4(mm)L5(mm)6 - 122 or below—2.512 - 200.3 or below5.63.520 - 308.35.230 - 5013.010.0 50 - 10017.014.0100 - 30012.4 or below21.013.8DIMENSIONSUnit: mmL2L1RangeL2*L16-8, 8-10, 10-12 mm59175 - 17712-16, 16-20 mm84197.5 - 201.520-25, 25-30 mm93206.9 - 211.930-40, 40-50 mm103.8214.7 - 224.750-63, 62-75, 75-88, 87-100 mm105.4219.6 - 232.6100-125, 125-150, 150-175, 175-200, 200-225, 225-250, 250-275, 275-300 mm151.4286.3 - 311.3* L2 is maximum depth of measurement possible.Note: External view differs depending on measurement range.468-174An inspection certicate is supplied as standard. Refer to page U-11 for details.These marks indicate that a product has successfully passed IP65-level testing, which is carried out by the independent German certication organization TÜV Rheinland.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).