Mahr - Product Catalog Page 418
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MaraMeter 844 NH Self-Centering Dial Bore Gage FEATURES • Measuring head consists of a carbide tipped moving anvil and an interchangeable stationary anvil with a carbide 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 bacause the shank and transfer rod are made of heat resistant Invar steel • Highly resistant to wear and tear due to the carbide tipped moving anvil • Constant measuring force because of 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 414 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 Measur- Measurtype ing range ing range mm inch 4475000 844 NH 18 – 50 .7 – 2” 4475001 844 NH 35 – 100 1.4 – 4” 4475002 844 NH 100 – 250 4 – 10” 4475003 844 NH 250 – 400 10 – 16” 4475004 844 NH 400 – 800 16 – 32” 4475005 844 NH 250 – 800 10 – 32” Order no. RepeatProbe Measuring Error path depth limit Ge ability fw mm mm µm µm Design Standard, moveable anvil and stationary anvil carbide-tipped Standard, moveable anvil and stationary anvil carbide-tipped Standard, moveable anvil and stationary anvil carbide-tipped Standard, moveable anvil and stationary anvil carbide-tipped Standard, moveable anvil and stationary anvil carbide-tipped Standard, moveable anvil and stationary anvil carbide-tipped a b c d e mm mm mm mm mm 4475000 5.3 8 115 63 22 4475001 8.5 12 148 80 22 4475002 11.5 18 230 100 25 4475003 16 24 366 110 28 4475004 17.5 24 366 110 28 4475005 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 2.6 336 3 1.5 2.6 336 3 1.5 2.6 336 3 1.5
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