Retoteng Salinity Refractometer 0-100% Handheld Salinity Refractometer Dual Scale with ATC Function High Precision Digital Refractometer Suitable for Aquarium Marine Monitoring Saltwater Testing

Introduction

Constructed from an aluminium body and ABS rubber, the salinity refractometer is lightweight and extremely durable and comes with a hard plastic case, mini screwdriver, dropper and cleaning cloth. ATC FUNCTION: The salinometer has automatic temperature compensation to give you accurate readings every time. Simple to use: After calibration, place 2-3 drops of sample solution on the prism and hold it up to the light for an accurate reading.The Aqua Refractometer is an ideal replacement for a salinometer or an expensive digital salinometer. VERSATILE USE: The refractometer is designed for use in aquariums, marine monitoring, agriculture and educational purposes. It helps you monitor seawater concentration easily. Dual Scale: The Seawater Refractometer measures Specific Gravity (D20 20) 1,000-1,070 and 0-100, giving results in two different units in a single test.