KETOTEK Salinity Refractometer ATC Salt Meter Optical Salinometer with 0-100‰-0-10 percent- and 1.000-1.070SG Measurement Range for Aquarium Seawater Brine and Industry. High Accuracy ±1‰ Salinity Tester…

Specification:Measurement Range:- Salinity: 0-100‰- Specific gravity: 1.000-1.070SG Accuracy: ±1‰Dimension: 6.30x1.57x1.57 inch / 160x40x40 mmWeight: 250g Features:Dual scale of salinity and specific gravityDisplay the salinity and specific gravity at the same time for the testing sampleOne screw to calibrate itAutomatic Temperature Compensation (ATC) Packaging:- 1×Salinity Refractometer- 3×Pipette- 1×Screw driver- 1×Cleaning cloth- 1×User manual- 1×Box Reminder: - Please make sure the wine sample spread across the prism without any air bubbles or dry spots when we close the cover plate of prism, to avoid the errormeasuring.- Please make the prism assembly towards to the light source when we are reading the testing value, to make sure we can get a clearly dial.1%=10‰=10PPT=10000PPM