DIGITAL REFRACTOMETER

Milwaukee MA887 Digital Refractometer The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each scale is temperature compensated. PSU – The newest...

Digital Refractometer Gravimeter pen (PPT reading) Test your aquariums water temperature and salinity within seconds with this Digital Pocket Tester! Utilizing electronic conductivity, the Digital Pocket Tester can instantly display your aquariums specific gravity or salinity of natural or artificial...

Milwaukee EC59 EC/Temp TDS pocket-sized EC59 Pocket-size Conductivity / TDS / Temperature Meter with replaceable electrode This new waterproof Pocket-size EC/TDS/Temp Meter include features such as a replaceable probe, temperature in °C or °F, automatic temperature compensation with adjustable ß,...

tropic marin germany salinity hydrometer & measuring cylinder   For determining the specific gravity with a hydrometer in saltwater aquaria Product description The salt content in saltwater is usually measured as specific gravity (also sometimes called relative density) and is...