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Master Calibration Artifact
   Bulletin 1630

The Master Calibration Artifact ("MCA") is intended for use by Calibration Professionals with Optical Comparators and other Measuring Systems. As a Reference Standard, the Artifact has all Dimensional and Geometric elements etched in Chromium deposited onto the "back" surface of Photo Quality Select Soda Lime Float Glass. The Glass substrate ensures dimensional stability of the extremely accurate patterns.

No other mechanical reference offers a more comprehensive or accurate evaluation of a Comparator or Optical Measuring Machine. The MCA allows you to extract the maximum potential from your equipment and Video enhancements. It provides rapid and accurate analyses of major phenomena, including:

  • Vertical and Horizontal Linear Accuracy
  • Squareness
  • Perpendicularity
  • Circular and Angular Calculation and Interpolation
  • Bi-axial Step Gaging
  • Repeatability
  • Magnification and Multiplier Function Verification.
    • SPECIFICATIONS
    MASTER CALIBRATION ARTIFACT for Optical Comparators and Vision Systems
  • Overall Glass Size: 5.50” x 7.50” ± 0.13”
  • Thickness Nominal 1/4” [139.7mm x 190.5mm ±3.3mm]
  • Substrate: Photo Quality Select Soda Lime Float Glass
  • Pattern: Etched Chromium vacuum deposited Right Reading Looking Through the Glass. BOTH English and Metric Displays with 180 Degree Rotation.

    • MCA REFERENCES INCLUDED:

  • SCALE SETS: Two Linear Scales in a 90 Degree perpendicular relationship with Origin of each to intersect at Mechanical ”0,0”. Line Accuracy ±0.0000 40”; end to end Overall Accuracy ± 0.000 120”. ENGLISH SCALES:   Horizontal 6.00” / Vertical 3.00”; all increments of 0.001”. METRIC SCALES:    Horizontal 150mm / Vertical 75mm; increments of 0.025mm.
  • GRID SETS: English 1.00” x 1.00”, in increments of .25”, .50”,. 75” 1.00”. Metric 25mm x 25mm, increments 5mm, 10mm, 15mm, 20mm, 25mm.
  • CIRCLE SETS: Center line Diameters for English increments .100”, .250”, .750” 1.00”. Metric in increments of 1.0mm, 5mm, 12,5mm, 25mm.
  • SQUARE SETS: English in increments of .100”. Metric in 1.0mm.
  • ANGLE CHART / PROTRACTOR: 360 Degree Radial Display with six Angles Each Quadrant in 15 Degree increments.


    • Each Master Calibration Artifact will include "Certificate of Accuracy" Traceable to NIST. Optional full NIST Traceable Calibration per MLA ITP-1001 available for additional price and lead time. Contact Technical Sales. Supplied with Fitted Case.

    LIST PRICE SCHEDULE
    F.O.B. Factory, Philadelphia, PA 19144

    Stock Number HA007
    Master Calibration Artifact, Chrome on Glass, including Case and Certificate of Accuracy
    $1,495.00

    OPTIONAL: Stock Number HA008
    Optical Comparator Base
    Steel Base to fit 6.460” Spaced guides, Pins at 7.580”, Overall Length: 8.000”
    + $445.00

    CALIBRATION OPTIONS (N.I.S.T. Traceable):
  • Calibration Stock Number ZZ057:
    Two Linear ”inch” scales every 1” [10 points], Two Linear ”metric” scales every 25mm [10 points]
    + $925.00


  • Calibration Stock Number ZZ058:
    Grids: ”inch” every 1” [9 points], ”metric” every 25mm [11 Points], ”inch” square [2 points], ”metric” square [2 points]
    +$1,085.00

  • Calibration Stock Number ZZ059:
    Eight circles at three Ø [24 points], Central Protractor: six Angles [6 points]
    + $1,325.00

  • Calibration Stock Number ZZ060:
    Full Calibration for above three Options [74 points]
    + $3,000.00