Sybon Salinity Refractometer Opticon Series FG100sa

  Sybon Heavy Duty Model is one of the most robust models available. You can feel the difference in weight by holding a Sybon and other brands at the same time. Sybon also has excellent quality control and it's very rare to see any issues with craftsmanship. Although you will get roughly the same accuracy from model to model, if you just want the best built, you can't go wrong with Sybon. This unit is a USED unit, but in great shape.   Sybon the largest manufacturer of salinity refractometers. Their 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 prov