Description The Refractometer is a portable handheld tool specifically designed for accurately measuring the refractive index of urine and serum protein. This medical-grade device offers high precision measurement results and features a user-friendly interface, making it suitable for a wide range of applications. Features -Color:As Shown-Material:Silicone, aluminum-Size:17.00X4.00X4.00cm/6.68X1.57X1.57in-M easuring Range: Serum protein:0~12g/dl / Urine specific gravity:1.000~1.050sg / Refractive index:1.3330~1.3600ND -Its compact and portable design allows for easy use in various medical settings. -With its ability to provide precise and reliable measurements, this refractometer is an essential tool for healthcare professionals in monitoring and diagnosing conditions related to urine and serum protein levels. -This refractometer is incredibly easy to use, with a simple and intuitive interface that allows you to quickly and easily measure concentration levels. -The handheld refractometer is lightweight and portable, making it easy to take with you wherever you go. -This makes it an ideal tool for healthcare professionals who need to take measurements on the trip. Packing list: 1 x Refractometer