Precision Repair and Calibration Services


DeWitt Calibration Services, Inc. is committed to bringing you a consistently high level of quality with a personal touch.

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We Provide Repair and Calibration Services For :

  • O.D Micrometers Up To 80" 

  • Micrometer Setting Standards Up To 80"

  • I.D. Micrometers Up To 120" 

  • Gauge Blocks Up To 4"

  • Temperature Gauges Up To 1,200 Deg. F. 

  • Dry Block Temperature Calibrators Up To 2,000 Degrees 

  • Pressure Gauges Up To 30K Psi.

  • Torque Wrenches Up To 1,000 Ft. Lbs.

  • Cylindrical Ring Gages Up To 12" In Diameter.

  • Dial Calipers Of Any Size.

  • Digital Calipers Of Any Size. 

  • Vernier Calipers Of Any Size.

  • API Internal And External Taper Gages 

  • API Lead Gage Setting Standards.

  • API Thread Height Gages

  • API Thread Depth Gages

  • API Thread Height Setting Standards. 

  • ANPT Thread Gages

  • ANPT Crest Check And Root Check Gages.

  • NPT Thread Gages. 

  • NPT Crest Check And Root Check Gages 

  • STI Thread Plug Gages 

  • Unified 60 Degree Plug Gages.

  • Unified 60 Degree Ring Gages (Customer To Supply Set-Plugs)