The Hand Held Refractometers are manufactured by Bellingham and Stanley, used for identifying Refractive Index (RI) of liquids or the concentration solutions. These refractometers are of low-cost and portable instruments. Eclipse refractometers is used in a myriad applications beyond various industries. The device is very affordable and aesthetically pleasing in design. It has its special features that makes the measurements easy and reliable. The product has a simple zero adjust with lock, it is shaded field of view for distinction, and has a high precision, clear scale.