Salinity Refractometer for Seawater Aqaurium Fishkeeping Salinity Tester Meter Dual Scale-Specific Gravity Salinity Hydrometer 0-100PPT & 1.000-1.070 sold2024 Main products: Carbide inserts (include:

Main products: Carbide inserts (include: turning/threading/Milling/Grooving/Drilling inserts)

4 hours battery life 9-axis High Accuracy sensor

10rpm at >9990rpm(the display show "999")

Mounting Bracket

Salinity Refractometer for Seawater Aqaurium Fishkeeping Salinity Tester Meter Dual Scale-Specific Gravity Salinity Hydrometer 0-100PPT & 1.000-1.070 sold2024 Main products: Carbide inserts (include:Salinity Refractometer for Seawater Aqaurium Fishkeeping Salinity Tester Meter Dual Scale Specific Gravity Salinity Hydrometer 0 100PPT & 1. 000 1. 070 Salinity Refractometer This refractometer is design according to the principle that different concentrations liquid have different refractive index ,with quick and accurate characteristics. Simple to use, after calibration just place 2 3 drops of solutions, then get the accurate readings fast. Our