Digital Salinity Refractometer Aquarium Salt Tester 7 in 1 Salinity Tester for Monitoring Water’s PH, EC, TES, ORP, Temp., Salinity & Specific Gravity, for Swimming Pool Hydroponic Marine Aquaculture

7 IN 1 Water Tester - Salinity tester: PPM+ PPT + SG +%. 1. For Swimming Pool Slat Testing: 0-9,999ppm/10-200ppt (TDS meter), 2. Seawater Test: 10-200ppt & SG 1.000-1.222, 3. For Food Test: 0.01%-25%. 4. PH meter measuring 0.00-14.00pH, 5. EC Meter: 0~9,999us/cm, 10~400ms/cm for Irrigation & Planting, 6. ORP Meter: ±999mV, 7. Temperature Measuring 32-140℉

Widely Application - Hallocool digital water quality testers ideal for testing swimming pool salt water, salty pools & spas, measuring salinity of water, aquarium, Koi fish, seawater and marine monitoring, but also suit for testing drinking water, hydroponics, agriculture, soil checking, food industry, laboratory usage and water treatment

Easy & Quick Operation - Pool salt tester is calibrated at factory. Just move off the cover, put the top of digital salinity tester pen to testing solution and wait for a few seconds and you can get the accurate readings. Press the “MODE” button to test other parameters

High Accurate - The digital saltwater tester features (ATC function) automatic temperature compensation function (32℉~140℉), which can decrease the deviation caused by the ambient temp changes. Accuracy-salt: ± 1%; Temperature: ±0.5°C, Resolution- salt: 0.01% / 1 ppm; Temperature: 0.1°C/°F, pH: 0.01pH, Conductivity: 1uS/0.01mS, TDS: 1ppm/0.01ppt

LCD Backlight Display - The digital saltwater tester with backlight and large LCD screen, convenient for you read even at dark place. Automatically shut-down after 5 minutes when no any operations