Handheld refracto. ORA 1WA (with ATC), analog, 0-32 % Brix, 0-140 °Oe, 0-25°KMWHandheld refracto. ORA 1WA (with ATC), analog, 0 32 % Brix, 0 140 Oe, 0 25KMW For measuring the refractive index of transparent substances in a liquid state. Eyepiece with dioptre compensation Scale is precisely calculated and checked, with very thin and clear lines Without or with automatic temperature compensation (ATC)Measuring temperature with ATC: 10 to 30 CMeasuring temperature without ATC: 20 C For determining the sugar content in fruit and the