AUTOUTLET Salinity Meter, Salt Refractometer, Salt Meter with Automatic Temperature Compensation (ATC) 0-28% Salt Meter for Seawater Brine Test Kit [Wide Range of Applications] Checks the salinity of salt water and tests the concentration of cooked food solutions. [Measurement Range] Measurement range of 0-28%, with 0.2% graduations and ±0.2% accuracy. [High Quality and Sturdy] The AUTOUTLET salt meter is made of a sturdy metal body made of durable aluminum, with a rubberized grip handle and a compact design. The focal length can be adjusted, it is firm and convenient, and the scale is clearly visible. [Easy to Read and Simple] Soft and flexible eyepiece for easy viewing and excellent comfort, simple and easy manual calibration. [With ATC Function] Automatic temperature compensation, 10°C to 30°C. The product is brand new and unused. The package has damage. We are offering it at a lower price for those who can accept this. We will respond to any initial defects. Please only purchase if you understand that it has been stored at home.