Salinity refractometer, dual-scale salt water hydrometer with ATC, for fish farming, seawater analysis, density 0-100 PPT and 1.000-1.070

Dual-scale readings: Measures salt percentage (0-100 ppt) with a resolution of 1 ppt and specific gravity (1.000-1.070 g/cm³) with a resolution of 0.001 g/cm³, ideal for accurate saltwater testing.

Durable and reliable: Made of copper alloy, durable; Scratch-resistant and lightweight, easy to use and long-lasting.

Automatic Temperature Compensation (ATC): ensures accurate measurements at varying temperatures, making it perfect for aquariums, marine tanks, and other applications.

Versatile application: suitable for a range of environments, including saltwater pools, seawater analysis, agriculture, industry, research, water quality monitoring, etc.

Easy to use: requires only 2-3 drops for testing, making it a user-friendly tool for professionals and hobbyists in fish farming, marine surveys, and food processing.