8.6 ounces

Make sure this fits by entering your model number. Pet Measuring Instrument: help to measure pet's urine specific gravity and serum protein. Measuring Range: Urine specific gravity (dogs and cats): 1.000-1.060sg; Serum protein: 2-14g/dl.

Make sure this fits by entering your model number. 【Applicable Objects】This refractometer is a professional instrument to measure salt solutions. It features high accuracy and easy operation. Widely used for food industry to control the salt concentrations in foods and beverages. 【Measure Range】A professional measuring instrument to test salinity of food. Accurate test result, 0~28% concentration measure range, 0.2% minimum scale.