>> P.368
InterchangeableBacksOptionalAccessoryforDigimaticandDialIndicatorsSPECIFICATIONSDescriptionLug-on-CenterBackFlatBackUnit:mm5ø6.5Unit:mmaSERIES1(ø31,ø36,ø40mm)101210:metrictype101307:inchtype190561:for1911A-10,1913A-10190139:1921A-10,1923A-10,1925A-10137905:for1003ACodeNo.SERIES2(ø57mm)101040:metrictype101306:inchtype21AZB230:forwater-proofofAtype(mm)21BZB104:forwater-proofofAtype(inch)101211:a=2.2136872:forwater-proof101039:a=2.521AZB231:fortype191559:for1911AB-10,1913AB-10,1921AB-10,1923AB-10,1925AB-10137906:for1003ABwater-proofofAtype192910:(Ftypewater-proofmodel)SERIES3,4(ø78,92mm)100691:metrictype100797:inchtype100836:a=3.0•AwidevarietyofindicatorbacktypesisavailableforMitutoyoDigimaticanddialindicators.•Mostluggedbackscanberotatedby90°becausetheyhavefourretainingscrews.However,190561and137905(forcompactdialindicators)areonlyequippedwithtworetainingscrews,thereforethelugorientationcannotbechanged.TypicalapplicationMagneticBack8Unit:mmSpecialorder900928900929Unit:mm193173:M6×1,Custommade136023:M6×1101170:#1/4-28UNF100840:#1/4-28UNFUnit:mm136025:M6×1129721:#1/4-20UNC136026:M6×1101168:#1/4-20UNC—():SmalltypeM6×1ø12.711.73.2M6×122.20+0.0512.75.3(6.4)Note1:Ifthebacklidofwater-proofmodelisreplaced,thewaterresistancewillnotbeguaranteed.Note2:WhenmountingabacktolightweighttypeSeries(297XAB),separatelyprepare4fixingscrews(546666Self-tappingscrewonlyforplastic).Donotapplyatighteningtorqueofmorethan20N·cminordertoavoidstrippingthescrewthreads.BackwithAdjustableBracket50.2Unit:mm—7901963—18.5ø7.13825.516Mainunitø10.538Rack07-69BackwithPostBackwithScrewMountAdjustableBackUnit:mmSpecialorder101167—Unit:mm193172Custommade101169—6.35ø2016-0040ø12.730.845°ø44ø6.5°54BackwithOffsetLug12.5
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