ISO/IEC 17025:2005 Accredited

American Calibration was established in 1991 and is proud to have served our customers for almost 30 years. We are proud to have calibrated instruments for every industry from Aerospace to Nuclear Energy. American Calibration is directly traceable to the National Institute of Standards and Technology (N.I.S.T.) and accredited to ISO 17025:2005. This insures that our instruments are calibrated beyond national standards and our procedures are reliable to calibrate for a wide range of dimensional, electronic, mechanical, thermodynamic, and chemical metrology instruments.

What is Calibration?

  1. Calibration is the process of correlating the reading of a gauge or an instrument with those of a standard in order to check the instruments accuracy and reliability.

For instance, N.I.S.T. (National Institute of Standards and Technology) protects what we call a master weight. This master is then duplicated and used to make sure that all of the N.I.S.T. certified weights are within a fraction (Measured in Uncertainties) of the same heaviness as the master. Those weights are then used to make sure that a scale is reading properly. Here at American Calibration, our weights and gauges are extremely accurate and have a very small uncertainty percentage. You can find all of our uncertainties in our Scope of Accreditation.

Services We Offer

  • 24 Hour Emergency Service
  • Calibrations
    • Hard Gages
    • Precision Instruments
    • Electronics
    • Flow
    • Measurement Machinery
    • Hardness Testers
  • Repair
  • Dimensional Inspection
  • Hardness Testing
  • Fatigue Testing
  • Air Quality Testing
  • Non-Destructive Testing
  • Consultation & Presentation
  • Preventative Maintenance
  • Research & Development
  • Retrofitting & Upgrading

What are uncertainties and why do they matter?

Uncertainties are the measurement of allowable variation between itself and the master device, or algorithm. For instance, if a ruler has an uncertainty of ±0.1 cm, it can give a measurement reading that’s smaller or bigger than 0.1 cm and still be certified. If you need to make precise parts for any reason at all, that small variation could make a huge difference on how much material you throw away. Improper measurement tool calibrations could cause safety hazards for companies as well.


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