>> P.339
SERIES2—StandardOneRevolutionTypeforError-freeReading,LightweightType•Theonerevolutiondialindicator(lightweighttype)preventsthepossibilityofreadingerrors.•Mitutoyo’suniqueshock-proofmechanismisincorporated,providingimprovedresistancetoshockduetosuddenspindleretractioncausedbyimpact.•Lightweighttype(70g).•Itishighlydurablethankstoahardenedstainless-steelstemandspindle,carbideprobe,andalargegearmadeofwear-anddeformation-resistantmaterials.•Applicationofananti-reectiveandhardsurfacecoatingimprovesscalevisibilityalongwithscratchandchemicalresistance.•Thedeadzoneinredindicates“accuracynotguaranteed”.2972ABSPECIFICATIONSMetricCodeNo.w/lugFlat-backGraduation(mm)ISO/JIStypeANSI/AGDtypeMaximumpermissibleerror(MPE)(µm)Indicationerror1/10Rev1/2Rev1RevHysteresisRepeat-abilityMeasuringrangeDialreadingMeasuringforce(N)Range(range/rev)(mm)2971AB2972AB2973AB0.010.010.020.5(0.7)1(1.4)1.6(2)558——————881633633525-0-2550-0-5080-0-801.4orless1.4orless1.4orless———InchCodeNo.w/lug———Flat-back2976AB2977AB2978ABGraduation(in)Range(range/rev)(in)Accuracy(in)First1Rev/2.5Rev/10RevRetraceRepeat-ability(in)DialreadingMeasuringforce(N)0.00050.00050.0010.02(0.028)0.04(0.055)0.06(0.079)±0.0005/—/—±0.0005/—/—±0.001/—/—0.000160.000160.0002±0.0001±0.0001±0.000210-0-1020-0-2030-0-301.4orless1.4orless1.4orlessNote:Completedproductsinspectionisperformedintheverticalorientation(contactpointdownward)andthestatedaccuracyisguaranteed.07-40
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