... PH meter 1. LCD display, English operation system 2.Automatic and manual temperature compensation, self-calibration. Functions,LCD display, English operation ... range)Temperature Accuracy±0.3°C±1 bitStability, (±0.005pH±1 bit)/3hTemp compensation,Manual/Auto(-5. ... View, delete and print,Equipotential adjustment,Display,LCDCommunication interface,RS-232Software,1.1DCPower,Universal power adapter (9V ...