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    Home Scientific & Metrology Inside / Outside Micrometers & Bore Gauges Inside Micrometers
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    Mitutoyo Series 139 Long Range Extension Tube Inside Micrometer (Metric or Inch) - Choice of Model

    SKU
    139-EX-TUBE
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    Mitutoyo Series 139 Long Range Extension Tube Inside Micrometer
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    Description

    SERIES 139 - Long Range Extension Tube Inside Micrometer

    • The sleeve is rotated to adjust the index line position when set to a length standard.
    • A wide range of inside measurements is possible by combining extension tubes with the micrometer head.
    • An optional inside-length standard, such as a setting ring or Inside Micro Checker, is required for accurately setting the micrometer before measurement.

    Technical Data

    • Graduation: 0.01 mm / .001"
    • Spindle feed error: 3 µm / 0.00015"

    Note: Spindle feed error refers to the difference between the maximum and minimum indication error values within the measuring range of the micrometer head.

    Offers
    Free Mitutoyo Book with Online Mitutoyo Orders Over £100

    This winter when you buy over £100 worth of Mitutoyo products online you’ll receive either a free Mitutoyo Engineers’ Reference Book or a Metrology Handbook depending on the value of your item(s). Available for a limited time or while stocks last, this offer is perfect for metrology professionals and engineers requiring a reference guide complete with conversions, measurement principles, standards, and practices. For further details visit the Mitutoyo Online Offer Free Book Page
    Tech Specs

    Dimensions

    Mitutoyo 139 long range extension tube dimensions.

    Metric

    SKU Range Head Adjustment Range Extension Tubes Main Unit
    MIT-139-001 100 - 125 mm 25 mm — 100 - 125 mm
    MIT-139-173 100 - 500 mm 25, 50, 100, 200 mm
    MIT-139-174 100 - 900 mm 25, 50, 100, 200, 400 mm
    MIT-139-175 100 - 1300 mm 25, 50, 100, 200, 400 (2 pcs.) mm
    MIT-139-176 100 - 1700 mm 25, 50, 100, 200, 400 (3 pcs.) mm
    MIT-139-177 100 - 2100 mm 25, 50, 100, 200, 400 (4 pcs.) mm

    Inch

    SKU Range Head Adjustment Range Extension Tubes Main Unit
    MIT-139-002 4 - 5" 1" — 4 - 5"
    MIT-139-178 4 - 20" 1", 2", 4", 8"
    MIT-139-179 4 - 36" 1", 2", 4", 8", 16"
    MIT-139-180 4 - 52" 1", 2", 4", 8", 16" (2 pcs.)
    MIT-139-181 4 - 68" 1", 2", 4", 8", 16" (3 pcs.)
    MIT-139-182 4 - 84" 1", 2", 4", 8", 16" (4 pcs.)
    Accessories
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    Additional Information
    SKU 139-EX-TUBE
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