DUAL SCALES - Saltwater Refractometer measures on specific gravity 1.000-1.070 and parts per thousand 0~100‰ (1‰=1ppt=1000ppm), get the result in two different units by one test
WIDELY APPIICATION - Salinity refractometer designed for measuring salt water, salinity of water and seawater, ideal for salty water tank, aquarium, seafood water tank, marine industry and salty pools or spa
ATC FUNCTION - Aquarium refractometer features with automatic temperature compensation function to eliminate the deviation of temp changes, allow to read directly and get accurate result fast
EASY TO USE - No battery needed, just put 2-3 drops of sample solution on prism, towards light, then you can get the accurate readings through eyepiece easily and quickly
Durable & Portable: Saline refractometer is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion, durable for long time use. Comes with a plastic box easy to storage and carry with