Refraktometer Salinitas Pengukur Air Laut 0-100% Untuk Akuarium

Welcome to BEYOU Decription: Features: Used to measure the salinity and specific gravity of the water. Sturdy and light weighted Aluminum body. Superior quality rubber grip. High quality and accurate testing result. Can be easily calibrated with a mini-screw driver. Automatic temperature compensation ATC Easy to use, convenient to carry. Specifications: Sizeapprox: 195 x 40mm Measure Range: 0-100%0-10% Accuracy: 0.001sg1% Salinity Proportion: 1.000-1.070sg Included: 1 x Refractometer