Bore micrometer Marameter 844 N series

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Self-centring dial bore gage Marameter 844 N Measuring range mm 18 - 50 mm Design: Standard, moveable anvil carbide-tipped Package contains: measuring holder, measuring head, anvil spindle, wooden case, excludes indicator • Measuring head consists of a carbide-tipped, movable measuring pin and an opposing interchangeable stationary counter probe with hardened steel ball • Movements of the measuring pin are transmitted to the indicating instrument via the ring segment • The broad centering bridge ensures automatic centering in the bore • Insensitive to temperature due to both the shaft and the transfer rod being made from Invar steel • High wear resistance due to carbide tipped moveable measuring pin • Constant measuring force thanks to inbuilt measuring force spring. Measuring results are therefore independent of personal sense of touch • Universally applicable. Every instrument spans a broad measuring range. Within this range it is quick and easy to adjust to any size • Measuring head, measuring instrument holder, depth extensions, right-angle attachments, and depth stops form a comprehensive modular system • Invar steel makes the inner measuring device insensitive to temperature influences. Body heat from the user or a rise in ambient temperature in the workplace have virtually no influence on measuring results