Calculation-Type Digital Indicator Calculation-Type Digital Indicator

Bulletin No 1582-543Calculation-TypeDigital IndicatorAbsolute digital indicator withautomatic calculation

Absolute Digimatic IndicatoQuick Measurement –No Need to Convert!A conventional Digimatic indicator simply displays spindledisplacement, but the Calculation-Type Digimatic indicatorincorporates an internal calculation function in place ofspindle displacement.With fixtures, measurements suchas feeler, inside diameter and radius of curvature caneasily be measured without the hassle of conversiontables or equivalents.The result:A dramatic improvement in measuring accuracy.Application Measurement ExampleOutside diameterFixture examplesRadius of curvatureGroove widthInside diameterHole diameterChamfer hole diameter

with Calculation FunctionCalculation functionThe Absolute Digimatic indicator performs internal calculationsusing the formula Ax+B+Cx -1 (assuming spindle displacement as x)while the coefficients A, B and, C can be set with respect to thepurpose of measurement or dimensions of the fixtures.Thisunique feature allows you to read your measurements directly,without struggling for conversions.Data outputThe Absolute Digimatic indicator can also output data to a dataprocessor.This allows the recording of measuring results and theconfiguration of a system that includes process control via thedata processor.Additionally, arithmetic coefficients can be setfrom a personal computer rather than the indicator itself.Tolerance judgmentH sets the upper/lower limits, and produces a display oftolerance judgments.Large display LCDA large LCD makes it easy to read the settings of arithmeticcoefficients, as well as tolerance judgments and other aspects ofthe measuring process.Display holdThe Display Hold function is useful when LCD viewing is difficultduring measurement.Maximum and minimum values can be held, as well.Calculation examples of arithmetic coefficients(Calculate arithmetic coefficients A, B, and C with a scientific calculator and then set the value you've determined. For details, refer to the table below.)FixtureContact point Cone Ball Cone — — —2L2LDimensionX: SpindledisplacementθDxHrθdDxθDxθRxrRxrRxMeasurementitemD= Diameter/Feeler/Groove widthH= Countersink depthD= Diameter/Feeler/Groove widthH= Countersink depthD= Hole diameter/Feeler/Groove width2R=Outside diameter 2R=Outside diameter 2R=Inside diameterCalculationformulaD=Ax D=Ax+B H=Ax+B D=Ax R=Ax R=Ax+B+Cx -1 R=Ax+B+Cx -1A–2tan θ 2–2tanθ–12–2tan θ 2sin θ–21–sinθ212–12ArithmeticCoefficientB1–tanθ 1 d0 2r–1cosθ 2 r–00sinθ2tanθ222–rrC0 0 0 0L 22–L 22Origin settingposition(the positionwhen x=0)Contact point freeIndicatedvalue whenorigin setting(indicatedvalue whenx=0)0 Value for coefficient B 0 0 (Overflow) (Overflow)• Various fixtures suited for individual workpieces can be used.• Measuring accuracy is subject to fixture accuracy.

Dimensions / Specifications.3" (7.6) 1.09" (27.6)1.09" (27.6) .3" (7.6)ø.4" (10.5)Unit: inch (mm).83"(21.2).29"(7.3).79"(20.05)2.14" (54.4)1.8" (46.5).65"(16.5).56"(14.2)1.74" (44.2)2.0" (50.95)ø2.1" (54)ø2.4" (60.5)ø2.4" (60.5)ø2.13" (54)1.95" (49.6 )SpecificationsM2.5 x 0.45 thread.25"(6.35)00ø8 –0.009ø9.523/8"DIAOrder No. 543-285B 543-286B 543-287BResolution 0.0002mm to 1mm .00001"/0.0002mm to .05"/1mm(Twelve selectable stepped (Twelve selectable stepped resolutions.)resolutions.)Measuring range 12mm .5" / 12mmAccuracy0.00012" (0.003mm) or less (Quantization error is not included.Further, it varies by arithmetic coefficient setting.)Stem diameter ø8mm 3/8" DIA (ø9.53mm)Measuring forcePower supplyBattery lifeMaximum responsespeedPositional sensorMass of main unit• All instruments in this series are of the flat-back type.1.5N or lessSilver-oxide cell (SR-44) x 1 pc.12 months under normal useInfinite (If spindle speed exceeds 10µm/sec, correct peak valuemay not be displayed.)Electrostatic capacitance ABS (absolute).35 Ibs. (160g)–0.03No.4-48 threadFunctions• Calculation• Zero set• Presetting• Tolerance judgment• Hold facility• Output• Switching ABS/INC conversionOptional AccessoriesOrder No.Name540774 Release cable902011 Lifting-lever and screw setfor 543-285B, 543-286B902794 Lifting-lever and screw setfor 543-287B905338 Connecting cable: 1m905409 Connecting cable: 2mwww.mitutoyo.comMichigan45001 Five Mile RoadPlymouth, MI 48170Phone: (734) 459-2810Fax: (734) 459-0455Massachusetts1 Park DriveSuite 11Westford, MA 01886Phone: (978) 692-8765Fax: (978) 692-9729Illinois965 Corporate Blvd.Aurora, IL 60504Phone: (630) 978-5385Fax: (630) 820-7403Metrology/Demonstration CentersIndiana9855 Crosspoint Blvd.Suite 148Indianapolis, IN 46256Phone: (317) 577-6070Fax: (317) 577-6080California16925 Gale Ave.City of Industry, CA 91745Phone: (626) 961-9661Fax: (626) 333-8019North Carolina11515 Vanstory DriveSuite 150Huntersville, NC 28078Phone: (704) 875-8332Fax: (704) 875-9273© 2002 Mitutoyo America Corporation, Aurora IL We reserve the right to change specifications and prices without notice. 10A-12 • Printed in USA • December 2002