Refractometer, Portable Sugar Brix Degrees Meter 0 to 32%, Sacrimeter, Cutting Fluid Density(BLU)

For field use, no need to recalibrate after changes in working ambient temperature. With built-in ATC compensation range (Automatic Temperature Compensation) from 10°C to 30°C Equipped with measuring scale that provides direct reading. Portable display piece with soft rubber eye for comfort Widely Applicable It can be used to measure the salinity of seawater and provide accurate data on seawater concentration to marine life enthusiasts.