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CAlibration SERVICES

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

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.

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.

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