Spring Testers

Calibration available for many models of Force, Link & Spring testers.

Optical Comparators

Calibration & Repair of most makes and models of Optical Comparators, Measuring Microscopes, & Toolmakers Microscopes.

dew point meters

We offer full Service and Calibration of a wide range of analog & digital dew point meters.

Temperature Calibrations

Calibration of temperature controlling, monitoring, & recording instruments. Our capabilities include everything from handheld temperature/humidity instruments to full service Furnace Uniformity Testing.

Hardness testers

Rockwell, Brinell, Microindentation & Macro Vickers Hardness Tester Service & Calibration

calibration services you can rely on


Starr Instrument is a full service Accredited Calibration Laboratory. It is the policy of Starr to provide our customers with the highest quality calibrations possible along with a comprehensive calibration report.

Our standard of service is kept at the highest possible level at all times. All Certificates of Calibration included in the report conform to ISO/IEC 17025.
We at Starr would like to make an important distinction about ourselves, Starr Instrument Service is more than just a Calibration Laboratory; our technicians are fully trained and experienced with regard to the service of the equipment that we calibrate.  

Our technicians are familiar with the inner-workings of the unit and are therefore, able to make repairs. Unlike many of our competitors we can do more than simply "Take Verification Tests" on your equipment.

We do our best to keep you up and running.  Give us a call to schedule an appointment today. You'll be glad you did.

Please see our scope of accreditation for a full list of services


Please feel free to view or download a copy of our certificate and scope of accreditation

Please see our scope of accreditation for a full list of services


Please feel free to view or download a copy of our certificate and scope of accreditation

Precision measuring instruments

Calibration & Repair of Calipers, Micrometers, Indicators, Height Gages, Depth Gages, Thread Gages as well as wide range of other Precision measuring Instruments