VST LAB Coffee III Refractometer


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  • The VST LAB 4th generation Coffee III Refractometer is a tool to measure coffee and espresso Total Dissolved Solids (TDS), understanding the efficiency and quality of brewing through extraction.

    Designed for the rapid and accurate calculation of coffee concentration within a small sample, an automatic temperature compensation has been programmed to automatically correct for temperature within the range of 15-40°C.

    An ambient light shield and evaporative cover protect the stainless steel sample well and optics. Intended for use in commercial settings, the VST Lab Refractometer adopts a durable rugged rubber armour jacket to sustain the tough cafe and kitchen environment.

    With the added option of VST CoffeeTools Software (Window or MacOS), you'll get access to further tools to be used along with the VST LAB Coffee III Refractometer to calculate the extraction yield and other variables.

    See full specifications in VST LAB Coffee III Refractometer Brochure.

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

    • VST LAB Coffee III Refractometer w/integrated auto-ranging Coffee and Espresso TDS Scales - Coffee-Espresso: 0.00-20.00%
    • Rubberized silicone armour jacket (Grey)
    • Pipettes and Cleaning Pads Kit (10 ea)
    • 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 (50 syringe filters, 5 syringes)

    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 backlit display
    • Evaporation cover & ambient light shield
    • Easy-clean stainless steel sample well
    • Temperature stability function 
    • Smart Zero-Set Software
    • Silicone armour jacket
    • Five languages

    VST CoffeeTools™ for iPhone

    VST CoffeeTools™ for iPad

    VST CoffeeTools™ for ANDROID


  • All refractometers require shipping via a tracked delivery method, DPD within the UK and DPD, or UPS internationally - this is due to their high value!

    If you are not offered a shipping rate when checking out, please contact us via our contact page here and we will be able to arrange shipping manually.

    If you place an order before 07:30, it will be processed and dispatched that day. If you order after 07:30, it will carry over to the following working day.

    As we offer free UK mainland delivery on all orders over £50.00, this item will be shipped to you for free if your delivery address is within the mainland UK.

    For more information please visit https://www.hasbean.co.uk/pages/shipping

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