Handheld Glass Freezing Point Water Tester - Accurate Measurement for Antifreeze, Battery Fluid, and Cleaning Solutions, Compact, and Lightweight Refractometer for Automotive Battery Engine Coolant

Features: - Function: Measures freezing point of glass cleaning solution, antifreeze (ethylene glycol and propylene glycol), and lead-acid battery electrolyte - Temperature compensation device for accurate measurement in the range of 10°C to 30°C - Uses the total reflection critical angle method to measure the refractive index - Small size, lightweight, and easy to use - Widely used in the automotive industry How to Use: - Place the instrument in an environment with a temperature between 10°C and 30°C - Measure the freezing point of antifreeze and glass cleaning agent by using the total reflection critical angle method - Measure the proportion of lead-acid battery electrolyte - Ensure not to place the instrument in an environment with relative humidity over 85% - Avoid contact of the liquid and water adjustment knob and eyepiece - Handle with care to avoid damage to the instrument's accuracy - Clean the prism and refractive plate after use with a clean cloth Specifications: - Ethylene Glycol: -50°C to 0°C (0% to 70%) - Propylene Glycol: -50°C to 0°C (0% to 70%) - Resolution Factor: 5°C, 5% - (ATC) Temperature Compensation Range: 10°C to 30°C Tips: - Avoid placing the instrument in an environment with high humidity - Take precautions to prevent damage to the instrument's internal components - Handle carefully to maintain accuracy - Clean the prism and refractive plate after each use Packing List: 1 x Refractometer, 1 x Pipette, 1 x Instruction manual, 1 x Mini screwdriver, 1 x Cleaning cloth • 【Convenient Accurate Measurement】: The Glass Freezing Point Water Tester allows easy and precise measurement of antifreeze, glass cleaning solution freezing point, and battery electrolyte's specific gravity. • 【Wide Application Range】: Measures Ethylene Glycol (-50°C to 0°C) Propylene Glycol (-50°C to 0°C) concentrations, making it versatile for automotive use. • 【Temperature Compensation】: Built-in device ensures precise measurements (10°C to 30°C), eliminating manual adjustments. • 【Reliable Principle】: Uses total reflection critical angle method to measure the solution's refractive index, providing accurate results. • 【Compact User-Friendly Design】: Small, lightweight, attractive appearance; widely used in the automotive industry due to easy handling operation.