Galvanic principle, IP54 Grade with 30 sets data memory, Galvanic DO electrode, no warm up needed, save time,Auto/manual endpoint, recall last calibration data,Easy to calibrate
0.01pH accuracy, IP54 Grade with 30 sets data memory,Electrode condition icon to show pH electrode performance,ATC/MTC, 3 point calibration, auto buffer recognition,Auto/manual endpoint, recall last calibration data.