Extremely robust and submersible (IP 67) pH/mV meter for field measurements, with connection for depth fittings with max. 100 m cable length. Integrated rechargeable battery. Operation also possible using wide-band power supply unit (included with delivery). MultiCal® automatic calibration and AutoRead functions ensure reliable results. With memory for 800 entires, data logger, real-time clock and GLP-supporting functions. Complete with bidirectional RS 232 interface.