Calibration Management Program

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Process Instruments


Why Choose Us

For over 50 years, companies from around the globe have come to rely on Process Instruments to help them lower costs, improve quality, reduce lead times and enhance their competitive positions. If using a dependable service company is essential to your organization, learn why Fortune 500 leaders to tiered suppliers in almost every industry, choose Process Instruments for the best in instrument calibration and repair. Please feel free to contact us. We’d be happy to answer any questions you may have on how Process Instruments might also serve you.

Our Services



Process Instruments operates primary and secondary calibration laboratories with excellent capabilities in contact and non-contact temperature, pressure, resistance, optical pyrometry, DC / low frequency electronics and flow.


Field Services

From Commissioning and Calibration to Uniformity Surveys, Burner Ratio Adjustment and Control Upgrades, Process Instruments’ customers always get “done right the first time” in-plant service.


Legacy Product Support

Complete Parts Support for all Discontinued Honeywell Controls – All Leeds & Northrup Instruments – All Leeds & Northrup Standards – Hagan Meters


Accreditation to national standards verifies Process Instruments commitment to quality, but no accreditation is more valuable than the support of repeat customers.

With customers including ABB, Honeywell, Pratt & Whitney, Lockheed-Martin, Boeing, NIST, Siemens, Yokogawa, and numerous other manufacturers, utilities and municipalities it’s easy to see why you can trust Process Instruments for all your instrument calibration and repair needs.


Customer Testimonials