Rxreliance

Salinity Pocket Tester Tds W/ Batteries. Conductivity/TDS/salinity pocket tester, With batteries, The tester automatically shuts off after 8.5 minutes of non-use to conserve batteries if forget to turn it off

Pocket Orp Tester With Sensor Waterproof. Pocket ORP tester, Oxidation-Reduction Potential (ORP) or Redox potential measurements are used to monitor chemical reactions, to quantify ion activity, or to determine the oxidizing or reducing properties of a solution, Leakproof cap, IP67 waterproof rating

Pocket Conductivity Tester W/ Cup Sensor. Pocket conductivity tester, With cup sensor, TDS and Salinity, The user can simultaneously view measurement/temperature, Auto-hold readings, 1-push calibration, Leakproof cap with fill-line indicator, Rugged and user-friendly, Wide, stable base, Waterproof

Pocket Conductivity Tester W/ Pin Sensor. Pocket conductivity tester, With Pin sensor, TDS and Salinity, The user can simultaneously view measurement/temperature, Auto-hold readings, 1-push calibration, Leakproof cap with fill-line indicator, Rugged and user-friendly, Wide, stable base, Waterproof