Refractometer calibration solution is used to accurately calibrate your refractometer for testing natural sea water or synthetic sea water. Specifically manufactured for calibrating refractometers for use in testing natural or synthetic sea water. Clean refractometer prism slide with clean fresh w...

Ade Advanced Optics SSA0010 dual scale salinity refractometer is used to measure, monitor and control the concentration of salt water and brine, especially useful for aquarium and marine applications. This high quality refractometer measures on 2 scales, Specific Gravity (D 20/20) and parts per thou...

Milwaukee MA887 Digital Salinity Refractometer with Automatic Temperature Compensation, Yellow LED, 0 to 50 PSU, +/-2 PSU Accuracy, 1 PSU Resolution has a number of industrial applications. Samples are measured after a simple user calibration with distilled or deionized water. Within seconds, the re...

Design Lightweight aluminum construction Ergonomic, comfortable & easy operation Anti-slip, rugged body with durable & hygiene smooth aluminum grips Translucent bule background Durable High quality all-aluminum body Value 3 year warranty High quality assurance from leading refractometer factory Comp...