Description:Designed to measure salt water.
For home， or professional use.
Measures the specific gravity of water or salinity by determining how the liquid affects the bending of light through a prism.

Main Features:
● Designed for testing the concentration of salt water and brine
● Ideal for aquariums， marine monitoring and quality control in research and clinical laboratories
● Features automatic temperature compensation ( ATC )
● With soft rubber eye piece for comfortable viewing
● Soft silicone handle provides good touching feeling
● Uses ambient light only which means battery or power source is not required Special function: Salinity Refractometer Package weight: 0.300 kg
Product size (L x W x H): 19.40 x 4.00 x 2.00 cm / 7.64 x 1.57 x 0.79 inches
Package size (L x W x H): 21.50 x 8.50 x 6.50 cm / 8.46 x 3.35 x 2.56 inches Package Contents: 1 x Refractometer， 1 x Screw Driver， 1 x Suction Tube， 1 x Wipe Cloth， 1 x Carrying Case， 1 x English User Manual