... Also, the interface can be used to connect data collecting software and computer.It can be used to measure pH value ... .03%FS (in other range)Temperature Accuracy±0.3°C±1 bitStability, (±0.005pH±1 bit)/3hTemp compensation,Manual/Auto(-5.0~105 ... , delete and print,Equipotential adjustment,Display,LCDCommunication interface,RS-232Software,1.1DCPower,Universal power adapter (9V DC,500mA,inside - positive, ...