Features 1、Using high‑quality prisms, it is equipped with high‑definition eyepieces, which can observe the salinity in the water more accurately and clearly. 2、Non‑slip rubber sleeve, it can ensure safety during testing, easy to grasp and place, can effectively extend the service life and ensure important components. 3、Accurate measurement range, wide test range, simple and convenient use, can carry out high‑standard industrial measurement, and help to obtain low‑error data. 4、Small size, portable and light weight, it can be easily handheld to use in various situations without adding extra burden and weight, making the experiment process more relaxed. 5、With a wide range of applications, it can be used to measure the salinity of various samples, helping industries such as the food industry or aquaculture industry to manage more conveniently. Specification Item Type: Salinity Refractometer Material: Aluminum Alloy Purpose: It is suitable for reagent sampling. Range: 0-100%, D20/20: 1.00-1.070 Accuracy: 1% (0.001) Product Size: Approx.20.1cm/7.9in Package List 1 x Refractometer 1 x Dropper 1 x Screwdriver 1 x Wipe Cloth 1 x Manual