Pratt & Whitney
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Pratt & Whitney Measurement Systems, Inc.
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Ring Gage Calibration Services
Ring Gage Calibration Services

Ring Gage Calibration Services


Pratt & Whitney Measurement Systems is accredited by the American Association for Laboratory Accreditation (A2LA) to perform calibrations of cylindrical ring gages from 0.020 inch to 14.00 inches [0.508 - 355.6 mm] in accordance with all requirements of ISO 17025.   Pratt & Whitney also has individual and master ring gage sets available for purchase.

Key Features of Pratt & Whitney Ring Gage Calibration

  • Accredited by A2LA 
  • Scope of accreditation
  • Low estimated measurement uncertainty
  • Competitive prices; compare to NIST
  • Fast turn-around
  • Certificates of calibration meet all ISO 17025 requirements

To Schedule a Calibration

  • Please contact the Pratt & Whitney Calibration Department or fill out our Contact Form.
  • North America: 
       Tel: (800) 371-7174 Ext 400  (United States including Canada & Mexico)
       Email: service@prattandwhitney.com
  • International:
       Tel: (exit code) +1 +860 +286-8181 Ext 400  (South America, Europe, Asia-Pacific, Africa, Australia)
       Email: service.uk@prattandwhitney.com

To Purchase Cylindrical Master Ring Gages

  • Please contact the Pratt & Whitney Sales Department or fill out our Contact Form.
  • Available with or without flanged outer diameters.
  • All rings are lapped to size and polished.
ISO 17025 Accredited