The ATAGO portable digital refractometers, which are called Palettes, combine the reproducibility of a benchtop digital with the convenience and portability of the smaller hand-held analog units. They feature Automatic Temperature Compensation (5-40°C) with the ability to display sample temperature. Additional features include 3 user programmable scales. The Palettes are calibrated and operated with the push of a button and are powered by a standard 9 volt battery. The series covers the whole range of concentrations for any application. Palettes come with a 2-year warranty. Accuracy: ±0.1%Brix. Dimensions 9L x 17W x 4cm H. Weight: 295g.