This optical refractometer with five scales is designed for the measurement of coolants and antifreezes based on ethylene glycol or propylene glycol, and also for the measurement of battery fluid condition(density of the electrolyte.Each division of the scale corresponds to 0.01 g / cm3.) or for the measurement of screenwash antifreeze (windshield washer fluid) based on ethanol as well as on isopropyl alcohol. COMMON FEATURES ON OUR REFRACTOMETERS: Auto Temperature Compensation (ATC), increase accuracy and eliminates concerns on temperature Easy to calibrate and use Soft rubber eye piece for comfortable viewing Cushioned with soft and comfortable non-slip rubberized grip, insulate test solution from body heat Adjustable focus, clearly defined scale, w/ large easy-to-read measurements Durable,built to last long Approved by strict quality and safety standards Accurate results guaranteed Features: Optical measuring device for antifreeze, windshield washer fluid and battery acid Easy calibrating, easy to use Adjustable focus LIGHTWEIGHT, Made with highest and finest quality of ALUMINUM & rubber Features automatic temperature compensation (ATC) and comes with Portable USB LED Light Specifications: Measuring Range Ethylene and Propylene Glycol: -50 ~ 0°C SRF1 - Screenwash antifreeze based on Isopropyl alcohol (IPA): -40 ~ 0°C Screenwash antifreeze based on Ethanol: -40 to 0°C Battery Fluids:1.10 to 1.40 kg/l Resolution Ethylene and Propylene Glycol - 1°C SRF1 - Screenwash antifreeze based on Isopropyl alcohol (IPA) : 5°C Screenwash antifreeze based on Ethanol: 5°C Battery fluid : 0.01 kg/l Reference Temperature: 20°C ATC: 10-30°C Item Length:16.2cm Item Weight:93g Shipping weight: 0.31 kg Shipping size: 21 x 9 x 6 (cm) Set Includes: 1 x Traditional Refractometer 2 x Pipettes 1 x Mini screw driver 1 x Cleanign Cloth 1 x Portable USB LED Light (Power Bank is not included in the set) 1 x English Instruction manual 1 x Protective Carrying Case
