F-56FMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.Inch Order No.Graduation (in)Range (range/rev) (in)Accuracy (in) Repeatbility (in)Dial readingMeasuring force (N)First 1 Rev/2.5 Rev/10 RevRetrace1961A0.0010.04 (0.05)±0.001/—/—0.0002±0.000220-0-201.4 or less1166A0.0010.2 (0.05)±0.001/±0.001/±0.0010.00033±0.0002±0-501.4 or less1167A0.0010.2 (0.05)±0.001/±0.001/±0.0010.00033±0.00020-25-01.4 or less1168A0.0010.2 (0.05)±0.001/±0.001/±0.0010.00033±0.000250-01.4 or less• Back Plunger type dial indicators are suitable for mounting onto leveling machine tool tables or inspection jigs, and for use in situations where standard dial indicators are difcult to read. • Model 1960A and 1961A, which uses Mitutoyo’s proprietary shock-proong mechanism, has excellent durability and shock resistance.Back Plunger Type Dial IndicatorsSERIES 1Holding bar (optional) Order No.øD (mm)L (mm)21AAA166ø642136567ø681124625ø6.358121AAA167ø6.354221AAA168ø842136568ø881Note: øD and L: detail shown in drawing below.Optional Accessory• Limit hand (2 pcs.): 21AAB363InchOrder No.90100101001961A44441166A441167A441168A44 ANSI/AGD typeDIMENSIONS 1160A Back PlungerGraduation: 0.01 mm,Measuring range: 5 mm1162A Back PlungerGraduation: 0.01 mm,Measuring range: 5 mmContinuous scale1160AReverse reading1960A One revolution Shockproof Back PlungerGraduation: 0.01 mm,Measuring range: 1 mmBalanced scaleAn inspection certicate is supplied as standard. Refer to page U-9 for details.SPECIFICATIONSMetric Order No.Graduation (mm)Range (range/rev) (mm)Maximum permissible error (MPE) (µm)Dial readingMeasuring force (N)Indication errorHysteresisRepeat-ability1/10 Rev1/2 Rev1 RevMeasuring range1960A0.011 (1.27)8——144350-0-501.4 or less1160A0.015 (1)812141643±0-1001.4 or less1162A0.015 (1)812141643100-01.4 or lessNote 1: Completed products inspection is performed in the vertical orientation (contact point downward) and the stated accuracy is guaranteed.Note 2: The bezel clamp cannot be used.FEATURESMetricOrder No.90100101001960A44441160A441162A44 ISO/JIS typeNote 1: Completed products inspection is performed in the vertical orientation (contact point downward) and the stated accuracy is guaranteed.Note 2: The bezel clamp cannot be used.9010010100Order No.ABCEFGHMass (g)(Bar excluded)1166A1.570.871.407/80.980.431.67801167A1.570.871.407/80.980.431.67801168A1.570.871.407/80.980.431.67801961A1.570.871.407/80.980.431.5980ISO/JIS TypeOrder No.ABCEFGHMass (g)(Bar excluded)1160A4022.135.622.22513.843.3801162A4022.135.622.22513.843.3801960A4022.135.622.228.712.84680Note 1: Contact point (standard accessory) for all products in this page has a role as a top dead point stopper. For this reason, if you need to install an optional contact point with an outside diameter smaller than 7 mm, use a washer (with outside diameter of at least 7 mm, inside diameter of 3 mm, and thickness of approx. 0.5 mm) placed between the contact point and the spindle. Note 2: Refer to pages F-57 to F-60 for details of contact points.ANSI/AGD TypeUnit: mmUnit: inLHø8 0-0.009ø4EGFøDøCBøA5Holding bar (optional)M2.5×0.45Holding bar (optional)Ball contact (ø0.12)21BZB056(thread: No. 4-48 UNF)ø0.375 0-0.0012øCLø0.16E0.20FBøAøDGHHolding bar
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