The Reichert Rhino Series Handheld Refractometers are designed for laboratory, and rugged factory and field uses. The durable polycarbonate housing is dustproof, water resistant (IP67 Dustproof/Water Resistant rating), and impact resistant. The Reichert Rhino comes in several models for numerous applications, in various industries including food, beverage, chemical, pharmaceutical, industrial, clinical and automotive. Key Features & Benefits of the Reichert Rhino Handheld Refractometers: „h Black polycarbonate housing - reduced stray light for improved image quality for accurate readings „h Automatic Temperature Compensation - eliminates need for calculations and temperature correction charts „h Blue painted prism and magnified scales - clear and accurate readings „h Optics and instrument scales are permanently sealed - safe from harsh external conditions „h IP67 Rating for Dustproof/Water Resistance ¡V the best protection offered of all handheld analog refractometers