Benchtop PH meter 1. LCD display, English operation system 2. ... reach the maximum of 200 sets.It has RS-232 interface, and it can be connected to TP-16 ... printer. Also, the interface can be used to connect data collecting software and ... stamp View, delete and print,Equipotential adjustment,Display,LCDCommunication interface,RS-232Software,1.1DCPower,Universal power adapter (9V DC, ...