Salinity Refractometer Hand Held Optics Seawater Salinometer Fish Tanks Accuracy Aquarium Tools

1、The refracting prism and the light entrance cover make the salinity measurement more accurate and better protect the surface of the detection prism with fine workmanship and exquisite appearance. 

2、The non‑slip rubber cover handle, the non‑slip rubber cover handle made of environmentally friendly materials makes your operation more convenient. 

3、The eyepiece reading hole, the eye reads through the eyepiece, the reading is fast, accurate and clear. The eyepiece adjustment hand wheel can be turned. 

4、The refractometer is an optical instrument that can accurately measure the percentage concentration of salt in a solution through the principle of light refraction. 

5、Made of high quality Aluminium materials, with functions of fast, accurate, light weight, small body and easy to carry.