XS, pH 5 SPEAR pH/temp GROUND tester • Technically the same as the XS ph 5, but with replaceable GROUND electrode (Swiss...

XS, pH 5 pH/temp tester • Large display with color LCD • Replaceable electrode • including calibration fluids pH 4.01 / ...

XS, PC 7 • Displays pH/ EC and Temp simultaneously • Accuracy: ± 0.01 pH \ 1% EC • Automatic Temperature Compensation (A...

XS, pH 7 / WITH ATC (AUTOMATIC TEMPERATURE COMPENSATION) • Displays pH and Temperature simultaneously • Accuracy: ± 0.01...