HM Digital QC-1 Quick Check TDS/Conductivity Monitor HF-2 HEPA Filter Also available without T-fitting (Model

Also available without T-fitting (Model Name: SM-1WOF)

monitoring a hydroponic reservoir

good value

Factory Calibrated : The PH-200 meter is three-point checked and factory calibrated to pH 7

provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity

HM Digital QC-1 Quick Check TDS/Conductivity Monitor HF-2 HEPA Filter Also available without T-fitting (ModelPress the "Push to Check" button for an instant water quality check! FEATURES With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively. Tests for TDS or conductivity levels. Eight programmable set points (by dip switch). Bright LED lights. Simple to use. Factory Calibrated to 100 ppm NaCl. Re calibration is unncessary. Comes equipped with Mur lok Quick Connect T fitting (1 4