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Dwight Calibration & Instrument, LLC

One Source for all your calibration and inspection needs!


Surface Plate

Dwight Calibration calibrates Crystal Pink and Charcoal Black granite surface plates. Dwight has the equipment to calibrate AA Grade (Laboratory), A Grade (Inspection), and B Grade (Toolroom) plates.  As well as Granite Parallels, Granite Squares, & Straight Edges.



Dwight Calibration can calibrate, resurface and repair all surface plates on-site in a matter of hours. Dwight can resurface plates of all sizes and materials.  

  1. Starret
  2. Tru-Stone
  3. Mitutoyo
  4. Phase II
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