Sealey VS005 Refractometer for Antifreeze, Battery Fluid & Screenwash The Sealey VS005 Refractometer, available from Trade Counter Direct, is a precision instrument designed for accurately measuring the strength of battery fluid, screenwash, and antifreeze solutions. By determining the refractive index of light passing through the mixture, this tool provides reliable results essential for automotive and maintenance professionals. Suitable for a wide range of synthetic antifreeze mixtures, including long-life OAT (Organic Acid Technology) and G13 formulations, the Sealey VS005 ensures dependable performance. Its temperature-corrected prism and adjustable eyepiece deliver consistent accuracy, making it an essential addition to any workshop or garage. Features Accurately measures the strength of battery fluid, screenwash, and antifreeze Operates by measuring the refractive index of light passing through the mixture Compatible with synthetic antifreeze mixtures, including long-life OAT and G13 Temperature-corrected prism for precise readings Eyepiece with adjustable focus for ease of use Supplied with pipette for sample collection Includes a protective storage case Specifications SKU VS005 Range/Series Sealey VS Series Suitable Fluids Battery fluid, screenwash, antifreeze (including OAT and G13) Measurement Method Refractive index Temperature Correction Temperature-corrected prism Eyepiece Adjustable focus Supplied Accessories Pipette, storage case