VST LAB Coffee III Refractometer

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LAB III 4th generation refractometer with improved temperature resolution, precision, accuracy and battery life. See full specifications in updated product brochure.

Final Quality Assurance Certificate with NIST Traceable Reference Standards Measurements Included.

If you are located outside of the United Kingdom and are ordering this item as a business please contact us at orders@hasbean.co.uk with your VAT number before ordering.

VST LAB Coffee III Refractometer Brochure 


  • VST LAB Coffee III Refractometer w/integrated auto-ranging Coffee & Espresso TDS Scales - Coffee-Espresso: 0.00-20.00%
  • Rubberized silicone armor jacket (Grey)
  • Pipettes and Cleaning Pads Kit (10 ea)
  • VST CoffeeTools™ Software - Windows or Mac OSX version (instructions are included with your refractometer for how to obtain your software, all software is managed by VST not Has Bean)
  • Syringe Filter Kit-for filtering espresso or coffee brewed with metallic mesh or perforated filters prior to measurement (Available in bulk) Syringe Filter User Instructions   (25 ea)

VST LAB Coffee/Espresso III Refractometer Features include:

  • Improved precision +/- 0.01%, improved accuracy +/- 0.03% in coffee range, +/- 0.05% in espresso range
  • Automatically averages multiple measurements and displays the resulting % TDS 
  • Advanced optical engine with 1024 element detector array and sapphire optics
  • Includes auto-ranging Coffee-Espresso % TDS Scale
  • 24-character easy to read back-lit display
  • Evaporation cover & ambient light shield
  • Easy-clean stainless steel sample well
  • Temperature stability function 
  • Smart Zero-Set Software
  • Silicone armor jacket
  • Five languages

      Compatible with all versions of VST CoffeeTools™ software.

      VST CoffeeTools™ for iPhone

      VST CoffeeTools™ for iPad

      VST CoffeeTools™ for ANDROID