Function PhMv Temperature Simultaneous Display 16 Ch X 2 Lines Alphanumeric Bl Lcd Power Supply 230 V 10 50Hz Data Entry By Soft Touch Keys With Audible Sound Slope Adjust 80 To 120 By Default 100 Temp Compns 0 To 100 C Auto With Temp Probe Auto Buffer Recognition 400 Ph 700 Ph 920 Ph Calibration Auto Manual 3 Point 2 Point Programmable Time Display Real Time 24 Hours Mode With Date Interface Rs232 Parallel Error Indication Ph Orp Cal T Error