This Reichert 13754000 Refractometer is a reliable and durable laboratory instrument that is ideal for measuring the refractive index of fluids. It features an analog display and is designed for heavy-duty use in industrial settings. The refractometer has a range of 0% to 30% and is suitable for use with a variety of fluids. The instrument is made in India and comes with a battery, although it is not included in the purchase. It has a length of 10 inches, a width of 2.4 inches, and a depth of 2.4 inches. This refractometer is perfect for medical and laboratory equipment, devices, and supplies.