Professional, quality calibration services


Starr Instrument Service is a long established Michigan based calibration lab with decades of experience in the Calibration of testing & measurement instruments for the automotive, medical & aerospace industries. 

Starr Chek provides a full line of Rockwell & Brinell hardness test blocks.We have over 20 years of experience providing high quality reliable Hardness testing materials.


  • Hardness Tester Calibration & Repair
  • Temperature & Humidity Instruments
  • Furnace Uniformity Surveys
  • Precision Measuring Instruments
  • Precision Instrument Repairs      
  • Optical Comparators

Internationally Accredited Calibration Laboratory


Starr is a full service, Accredited Calibration Laboratory.  Our Accrediting Body is ANAB Accreditation Services, an ANSI-ASQ National Accreditation Board Company which is a fully recognized accrediting body both domestically and internationally.


  • Rockwell Test Blocks
  • Rockwell Testing Accessories
  • Brinell Test Bars
  • Brinell Testing Accessories
  • Indenters & Penetrators
  • Micro / Macro Test Blocks

Call 517-543-8089

Our products

CAlibration SERVICES