LMS200

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The LMS200 from Pratt & Whitney Measurement Systems is a Laser Interferometer that measures internal and external dimensions by comparing the measurement probe position to the wavelength of a 632.8 nm Red Helium-Neon laser light source. This patented laser path is in line with the measurement axis and eliminates Abbe error. It has a granite base with a thermal coefficient of expansion more than ten times smaller than that of steel, making this interferometer a highly stable measurement source. This interferometer has an accuracy of 0.05 + 0.5L µm and repeatability of 0.04 µm. It has a measurement range of up to 200 mm and a direct reading range of 200 mm.

The LMS200 interferometer has a Tungsten Carbide Flatt (1/10 wave) measuring probe with a Ø0.25" diamond tip.  The probe is motorized and remote-controlled to improve system stability and eliminate operator influence. It can measure specimens of up to 293 x 203 mm in size and has a probe contact force of 14 grams. This interferometer has two-step calibration, an advanced time-saving feature that allows calibration using two lab-grade, traceable gage blocks and takes only 30 seconds from start to finish. It can operate in direct reading or comparator modes and has a programmable automatic cycling feature that supports a user-defined constant throughput rate. This interferometer stores the summation of all measurements on command and can display stats indicating the computed mean value and one standard deviation.

The LMS200 requires an AC supply of 110/120 to 220/240 V and consumes 1 - 2 A of current. It is available in a package that measures 56 x 41 x 79 cm and is ideal for the measurement of balls/spheres, magnetic tape/disk substrates, optical components, poly films, gage blocks/slip gauges, coating thickness standards, plug & pin gauges, thread wires, film thickness, gauge block stacks, mesh thickness, textiles, and precision parts.

Product Specifications

Product Details

  • Part Number
    LMS200
  • Manufacturer
    Pratt & Whitney Measurement Systems
  • Description
    632.8 nm Red Helium-Neon Laser Interferometer for Dimension & Gage Block Measurements

General Parameters

  • Type
    Laser Interferometer
  • Measurement Type
    Thickness, Length
  • Wavelength
    632.8 nm
  • Measuring Length
    0 to 8 inch
  • Dimensions
    22 x 16 x 31 inch, 56 x 41 x 79 cm
  • Power Supply
    110 / 120 VAC 60 Hz (2 AMP), 220 / 240 VAC 50 Hz (1 AMP)
  • Weight
    196 kg

Applications

  • Applications
    Dimension Measurement, Gage Block Measurement

Technical Documents

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