C-45CMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice. • Extension rods (optional) are available to assist in deep-hole measurement. • If two or more extension rods are connected together, measurement errors may occur due to exure of the rod assembly. Therefore it is best to use no more than a single extension rod.• The extension rod length is available up to 1000mm.• Can not be connected to the products with special sizes or special specications.• When using a 500mm (or longer) extension rod, use the bore gage in an upright position.• The accuracy and security of the assembly should be conrmed after connecting a rod.Extension rodSERIES 511 — Accessories for Bore Gages• Both the at backplate of a dial indicator and backplate with a lug can be attached to a protection cover.71289912.5287160No.190007 (M2.5)Round-head phillips screwsNo.139484Retaining plateNo.21DAA000CoverDial protection cover set Part No.No.21DZA000SPECIFICATIONSApplicable modelExtension rod lengthExtension rod diameterSpanner part No. Order No.125m250m500m750m1000m511-701/511-731953549953550953551——ø9mm102148511-415/511-418511-416/511-419511-417/511-420511-702/511-732953552953553953555953556ø12mm212556511-703/511-733511-704/511-734953554511-803/511-833511-804/511-834511-705/511-735953557952361953558953559953560ø15mm212556511-706/511-736511-805/511-835511-806/511-836511-807/511-837511-808/511-838*Spanner is supplied as standard.Extension rodMeasuring headSpanner seatMain unit* To remove the measuring head, use the Spanner with extension rods. With the Spanner engaged with the Spanner seat on the main unit sleeve, dismount the head. * There is the possibility of measurement errors arising from the extra joints involved when several extension rods are connected together. In order to minimise the error margins, use a single, longer, extension rod rather than several short ones. Bore GagesFor easy and accurate measurement of inside diametersProtection cover


page 214