>> P.333
SERIES2—StandardOneRevolutionTypeforError-freeReadingOnerevolutiontypeBackPlungerdialgagesarealsoavailable.(Refertopages07-59to07-62fordetails.)2990A-10•Theonerevolutiondialindicatorpreventsthepossibilityofreadingerrors.•Mitutoyo’suniqueshock-proofmechanismisincorporated,providingimprovedresistancetoshockduetosuddenspindleretractioncausedbyimpact.•Theindicatorishighlydurablethankstoitsoil-andwater-tightdesign,quenchedhardenedstainless-steel,carbidecontactpoint,andagrandgearmadeofwear-anddeformation-resistantmaterial.•Applicationofananti-reectiveandhardsurfacecoatingimprovesscalevisibilityalongwithscratchandchemicalresistance.•Thedeadzoneinredindicates“accuracynotguaranteed”.2900A-10SPECIFICATIONSMetricCodeNo.w/lugFlat-backGraduation(mm)Range(range/rev)(mm)Indicationerror1/10Rev1/2Rev1Rev2928AB2929AB2929AB-622959AB2900AB-102900AB-722901AB-100.10.010.010.010.0010.0010.0014(5)0.8(1)0.8(1)1.6(2)0.08(0.1)0.08(0.1)0.16(0.2)20555222——————————————2928A2929A2929A-622959A2900A-102900A-722901A-10InchMaximumpermissibleerror(MPE)(µm)ISO/JIStypeANSI/AGDtypeHysteresisRepeat-abilityDialreadingMeasuringforce(N)20333222203330.50.50.52-0-240-0-4040-0-4080-0-8040-0-4040-0-4080-0-801.4orless1.4orless2.0orless1.4orless1.5orless2.0orless1.5orlessMeasuringrange408810334CodeNo.w/lugFlat-backGraduation(in)Range(range/rev)(in)Accuracy(in)First1Rev/2.5Rev/10RevRetraceRepeat-ability(in)DialreadingMeasuringforce(N)2909A-622910A-102909AB-622910AB-100.00050.00010.04/0.050.008/0.01±0.0005/—/—±0.0001/—/—0.000160.0001±0.0001±0.0000320-0-204-0-42.5orless1.8orlessNote:Completedproductsinspectionisperformedintheverticalorientation(contactpointdownward)andthestatedaccuracyisguaranteed.07-34
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