* This optical refractometer has a scale in the range of Ethylene Glycol: -60°C ~ 0°C, Propylene Glycol: -60°C ~ 0°C, the reading resolution is 5°C. And battery fluid is 1.100-1.400sg. The reading resolution is 0.01sg. * High quality and accurate testing result. * ATC Compensation Range (Built-in Automatic Temperature Compensation System) from 10 ~ 30°C. * Easy and very convenient to use. Place a few drops of the liquid on the optical part of the refractometer, cover the prism (the liquid will spread more easily over the prism), look through the eyepiece against the light (focus, if necessary) and you will be able to read the result value on the scale. SPECIFICATIONS: Ethylene Glycol Scale Range: -60~0°C Resolution: 5°C Propylene Glycol Scale Range: -50~0°C Resolution: 5°C Battery Scale Range: 1.100~1.400sg 0.01sg Reference temperature 20°C Automatic Temperature Compensation (ATC: 10~30°C) Focus possibility Item Weight: 3.4 ounces Length: 150mm Shipping Weight: 12 ounces Shipping Dimensions: 8.3 x 3.6 x 2.2 inches PACKAGE INCLUDES: Refractometer x 1 Pipette x 10 Mini USB Light x 1 Screwdriver x 1 Cleaning Cloth x 1 User Manual x 1 Firm Plastic Case x 1 Paper Box x 1
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