Refractometer for Aquarium Fishkeeping Salinity Refractometer Tester Dual Scale Salinity Hydrometer 0-100PPT & 1.000-1.070 with Automatic Temperature Compensation

About this item DUAL SCALES – Saltwater aquarium 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 Aquariums, marine monitoring aquatic products industry, and measuring the concentration of salt water, seawater or salinity of water fish tank, pool EASY TO USE – Put 2-3 drops of sample solution on prism, then can get the accurate readings fast by looking throng the eyepiece ATC FUNCTION – Salinity tester features Automatically Temperature Compensate (ATC) function, which provide the accurate results fast regardless of ambient temperature changes Durable & Portable: Saline refractometer is made of premium aluminum and ABS rubber, comfortable holding and anti-slid, anti-rust, non-staining and resistant abrasion, sturdy for long time use. Hallocool refractometer with plastic case easy to carry