Hanna HI98319 Marine Salinity Tester - Waterproof ppt/PSU/S.G. for Aquariums & Seawater HI98319 Once both pH and EC

Once both pH and EC are calibrated "CAL OK" is displayed and the meter returns to measurement mode

lot number and expiration date

Filter capacity: 100 gallons per filter (200 gallons total)

pre-measured reagents provide approximately 110 tests using the mercuric nitrate titration method for chloride determination in water samples ranging from 0 to 1000 mg/L (ppm)

1°F) Temperature Accuracy ±1°C (±1

Hanna HI98319 Marine Salinity Tester - Waterproof ppt/PSU/S.G. for Aquariums & Seawater HI98319 Once both pH and ECDesigned to bring simplicity to salinity testing, the HI98319 Marine Salinity Tester measures conductivity (EC) to determine the salinity of natural and artificial seawater. Within seconds, the salinity and temperature are digitally displayed on the LCD. Displays results in parts per thousand (ppt), Practical Salinity Units (PSU), or specific gravity (S. G.). Comes with all the necessary solutions and batteries everything you need to get started