Gravimetric Diluters

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Two kinds of gravimetric diluters are available from Don Whitley Scientific, automating the laborious task of making and standardising initial sample dilutions.

Place your sample in a blender bag and the DILUWEL weighs the sample, adding the correct amount of diluent to achieve your preset dilution. 

225 ml of diluent can be added in 12 seconds (or 9 seconds in turbo mode!) with a >99% accuracy. 

The patented vertical weighing system offers greater stability and accuracy due to a fully integrated spirit level and height adjustable feet.

Learn more about the DILUWEL 

The DILUWEL EDGE offers all the benefits of the standard DILUWEL, with even greater weighing precision (0.05g from 1g <1% from 5g.)

This gravimetric diluter is Ideal for those who work in the cosmetic industry and follow ISO 11930:2019: Cosmetics - Microbiology - Evaluation of the antimicrobial protection of a cosmetic product.

Both DILUWELS can be specified with optional accessories including a bar code reader, ticket printer and foot switch.

Learn more about these models below...


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If you are based in Germany or Australia, please select the website of our subsidiary company there. A different selection of products is available in these countries. Otherwise, please select ‘English’ and you will be able to find your local distributor in the ‘Overseas Distributors’ section.

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