HM Digital AP-1 AquaPro Water Quality Total Dissolved Solids Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy (Magnetic Body)
Brand: HM Digital
Measures total dissolved solids (TDS) and temperature
Automatic Temperature Compensation (ATC)
Water-resistant housing
Digital Calibration (push button)
Magnetic body - store the meter on your fridge when not in use!