Extech RF41 Battery Coolant & Glycol Refractometer with ATC - Measures -50 °C to 0 °C Freeze Point & Battery Acid Specific Gravity, Handheld Optical Refractometer Kit

描述

❄️⚡ Stay cool and charged with precision in your pocket!

The Extech RF41 is a portable refractometer designed for professionals to accurately measure the freezing point of propylene and ethylene glycol coolants and the specific gravity of battery acid. Featuring automatic temperature compensation between 10-30°C and requiring only a few drops of sample, it delivers fast, reliable, and repeatable results in a compact, easy-to-use form factor.