Hanna PH meter, TDS meter, Conductivity meter, ORP meter

Hanna Instruments HI 98303 DiST 3 1999 µS/cm EC Tester with 1 µS/cm resolution DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The Hanna ... Read More

TDS1 TDS Tester, 0 to 999 ppm mg/L, 1 ppm mg/L Resolution, +/-2% Accuracy, For Water Conditioning Hanna Instruments TDS1 is a simple and affordable pocket tester for TDS measurements. The measurement is ... Read More

Hanna Instruments HI98302 DiST2 TDS Tester, 10.00g/L, 0.01g/L Resolution, +/-2% Accuracy DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The ... Read More

Hanna Instruments HI98301 DiST1 EC and TDS Tester, 0.5 TDS Factor, 1999 mg/L (ppm), 1 mg/L (ppm) Resolution, +/-2% Accuracy DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate ... Read More

HI98121 ORP/pH/Temperature Tester The HI98120 is a waterproof ORP and temperature meter, while HI98121 measures pH, ORP and temperature. The housing of these testers has been completely sealed against humidity ... Read More

HI98120 ORP/Temperature Tester The HI98120 is a waterproof ORP and temperature meter, while HI98121 measures pH, ORP and temperature. The housing of these testers has been completely sealed against humidity and ... Read More

HI98201 ORP Tester Oxidation reduction is a process by which a molecule or ion losesor gains electrons. This occurs most readily in water treatment and in pool and spa maintenance where an oxidizer, such as ... Read More

HI98300 DiST®1 TDS Tester with 1 mg/L resolution and 0.65 TDS Factor DiST testers are reliable, pocket-sized instruments that will give you quick and accurate readings of conductivity and TDS. This popular line ... Read More

HI98312 DiST® 6 EC/TDS/Temperature Tester When the original DiST® (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The DiST’s ease ... Read More

HI98311 DiST® 5 EC/TDS/Temperature Tester When the original DiST® (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The DiST’s ease ... Read More