Salinity Refractometer Portable Seawater Density Meters Optical Salinity Tester Portable Atc Refractometer, Dual Scale: 0-100‰ & 1.000-1.070 Specific Gravity, Salt Water Tester for Aquarium

General descriptionPortable salinity refractometer designed for measuring saltwater density, ideal for aquarium and marine monitoring. Features a non-slip rubber handle for easy operation and built-in Automatic Temperature Compensation (ATC) for faster results. The device allows for direct reading with an adjustable manual focus for easy calibration.Technical specificationsMeasuring Range: Salinity: 0-100‰; Specific Gravity: 1.000-1.070Accuracy: 1‰Item Size: Shown as picturePackage Size: Approx. 20.5 * 7.5 * 5.5 cm / 8.1 * 3 * 2.2 inPackage Weight: Approx. 230g / 8.11ozMaterial: ABSColor: Black + Silver + BlueUsageRequires only 2 to 3 drops of solution for instant reading results.Ideal for measuring salinity in aquariums and marine environments.Other informationPackage List: 1 * Salinity Refractometer, 1 * Slotted Screwdriver, 1 * Cleaning Cloth, 1 * Straw, 1 * User Manual, 1 * Packing BoxNote: After use, do not wash directly with water; wipe with a clean soft cloth. The optical surface should not be scratched. Store in a dry place without corrosive gas.