Despacito Professional Salinity Refractometer for Seawater and Marine Aquarium With Automatic Temperature Compensation, Marine Monitoring, Saltwater Testing, Water Reader, Aquarium Tester Manual Handheld Refractometer

Salinity: 0~10%, Study accurately: 0.01%, Size: (Dia.) x (H)17 x 4cm / 6.69 x 1.57 inch (appr.). Durable aluminum body, durable and can use for a long time.Adjust the focus by twisting the handle. Compact design with rubber handle.Soft and flexible eyepiece for added comfort. It is for measuring the salinity of salt water quickly and accurately, ideal for agriculture, industry and research application, such as mariculture, fish culture, aquarium, marine survey, water quality monitoring, salt production, manufacture of normal saline, salinity measurement in food processing etc. Instant and reliable aqueous solution measurement. It can also be used for medical institutions and university research.