Mahr - Product Catalog Page 416
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MaraMeter 844 N Self-Centering Dial Bore Gage FEATURES • Measuring head consists of a carbide tipped moving anvil and an interchangeable stationary anvil with a hardened steel ball • Transmission lever system transfers movement of movable anvil to indicating instrument • The broad centering bridge ensures automatic centering in the bore • Resistant to temperature because the shank and transfer rod are made of heat resistant Invar steel • Highly resistant to wear and tear because of carbide tipped moving anvil • Constant measuring force due to built-in spring, eliminating user influence • Universally applicable and extremely versatile - Each instrument spans a broad measuring range - Quick and easy to adjust to any size (within its range) • Extensive modular system is composed of measuring head, holder, extensions, Right angle attachments and depth stops • Invar steel has a particularly low expansion coefficient - instrument totally insensitive to any kind of heat (including user body heat and increased ambient temperature) • Package contains: measuring holder, measuring head, anvil spindle, wooden case, excludes indicator 412 Application: • Measuring the diameter, roundness and conical form of a bore as well as the distances of parallel plane surfaces TECHNICAL DATA Order no. Product type Measuring Measuring range range mm inch 4474000 844 N 18 – 50 .7 – 2” 4474001 844 N 35 – 100 1.4 – 4” 4474002 844 N 100 – 250 4 – 10” 4474003 844 N 250 – 400 10 – 16” 4474004 844 N 400 – 800 16 – 32” 4474005 844 N 250 – 800 10 – 32” Order no. RepeatProbe Measuring Error path depth limit Ge ability fw mm mm µm µm Design Standard, moveable anvil carbide-tipped Standard, moveable anvil carbide-tipped Standard, moveable anvil carbide-tipped Standard, moveable anvil carbide-tipped Standard, moveable anvil carbide-tipped Standard, moveable anvil carbide-tipped a b c d e mm mm mm mm mm 4474000 5.3 8 115 63 22 4474001 8.5 12 148 80 22 4474002 11.5 18 230 100 25 4474003 16 24 366 110 28 4474004 17.5 24 366 110 28 4474005 17.5 24 366 110 28 MaraMeter | Indicating Measuring Instruments 1.3 115 2 0.5 1.3 148 2 0.5 1.6 230 2 0.5 2.6 366 3 1.5 2.6 366 3 1.5 2.6 366 3 1.5
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