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Calibration Services

We offer a variety of calibration services, both in house and on site, based on our customer's requirements. All the calibrations we perform are traceable to NIST and in accordance to

ISO/IEC 17025, ANSI/NCSL Z540-1 and MIL-STD 45662A


A partial list of equipment calibrated by A.I.R. is listed below.

  • Gage Blocks
  • Pin & Plug Gages
  • Thread Wires
  • Ring Gages
  • Thread Plugs
  • Micrometer
  • Standards Surface Plates (calibration & lapping)
  • Optical Flats
  • Angle Blocks
  • Tool Makers Microscope
  • Hardness Testers
  • Radius/Angle Gages
  • Precision Balls
  • Humidity/Temperature Indicators & Ovens
  • Multimeters
  • Torque Tools
  • Pressure/Vacuum Gages
  • Parallel Bars
  • Sine Plates & Bars
  • Optical Comparators
  • All Precision Hand Tools


For over 25 years we have maintained the best calibration lab and technicians in California. Our technicians are professionally trained and have access to an enormous supply of technical data. Our membership and participation with NCSL (National Conference of Standards Laboratories) combined with our ongoing training programs, keeps us at the forefront of the quality arena. We offer the convenience of a one stop calibration service with an extensive list of approved sub-contractors to cover all of your calibration requirements. If you have an item not listed above, please contact us to consult with one of our technicians.