Sybon the largest manufacturer of salinity refractometers. There refractometers are of very highest quality and they come with a small bottle of ultrapure water for occasional recalibration, calibration key, properly written user manual, a piece of soft flannel, a hard plastic case and a very attractive packaging box.
The Sybon HD RHS series are designed for testing the concentration of saltwater and brine. It's triple scale provides a direct reading of the specific gravity and concentration. (Parts per thousand) of salt in water and the RHS-10 proves itself invaluable for agriculture, food processing and wildlife management. this instrument is equipped with Automatic Compensation system making it ideal for field use.
Easy to use
Dual scale includes specific gravity and % per thousand
