>> P.561
DialIndicators,DigitalIndicatorsandTestIndicatorsDialTestIndicatorsandtheCosineEffectAlwaysminimizetheanglebetweenmovementdirectionsduringuse.L1:ResultofmeasurementL2:IndicatedvalueL1=L2×CosθL1θL2WorkpiecemovementdirectionWorkpiecemovementdirectionStylusmovementdirectionθStylusmovementdirectionIndicators13-34Resultofmeasurement=indicatedvaluexcompensationvalueCompensatingforanon-zeroangleExamplesAngleCompensationvalue10°20°30°40°50°60°0.980.940.870.770.640.50Ifa0.002mmmeasurementisindicatedonthedialatvariousvaluesofθ,theresultofmeasurementsare:θ=10°0.002mm×0.98=0.00196mmθ=20°0.002mm×0.94=0.00188mmθ=30°0.002mm×0.87=0.00174mm•Mitutoyo'sResponsetoLever-operatedDialIndicatorB7533:2015Weguaranteetheaccuracyofcompletedproductsasfollows.•Vertical,tilted,andperpendicular:Weperforminspectionswiththedialfaceup.•Horizontal:Weperforminspectionswiththedialfaceinaverticalposture.Standard-attachedinspectioncertificateincludesinspectiondata.•Weissuepaid-forcalibrationresultsforotherposturesnotmentionedaboveifrequired.Whenthetestindicator’scontactpointcomesintocontactwiththemeasuringface,anerrorwilloccurdependingontheangle.Whenbringingthecontactpointintocontactwiththemeasuringface,settheangleθshowninthefigureassmallaspossible.Themeasuredvaluewillvarydependingonthevalueofθ.Correctthemeasuredvaluefromtheθvalueaccordingtothetable.θθθθ
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