Testers EC 

DiST® 5 EC/TDS/Temperature Tester - HI98311

Product Code: HA-HI98311

DiST® 6 EC/TDS/Temperature Tester - HI98312

Product Code: HA-HI98312

GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester - HI98131

Product Code: HA-HI98131

HI98301 DiST® 1 Waterproof TDS Tester (0-2000 ppm)

Product Code: HA-HI98301

HI98303 DiST® 3 Waterproof EC Tester (0-2000 µS/cm)

Product Code: HA-HI98303

HI98304 DiST® 4 Waterproof EC Tester (0.00-20.00 mS/cm)

Product Code: HA-HI98304

HI98318 GroLine Waterproof EC/TDS (ppm) Tester

Product Code: HA-HI98318

HI98319 Marine Salinity Tester

Product Code: HA-HI98319

pH/Conductivity/TDS Tester (high range) - HI98130

Product Code: HA-HI98130

pH/Conductivity/TDS Tester (low range) - HI98129

Product Code: HA-HI98129

Primo TDS Tester

Product Code: HA-Primo

Primo5 EC (Low Range) Tester

Product Code: HA-Primo5

Pure Water Tester - HI98308

Product Code: HA-HI98308

Soil Test™ Direct Soil EC Tester - HI98331

Product Code: HA-HI98331

ULTRA PURE WATER TESTER - HI98309

Product Code: HA-HI98309