Dual channel expoert hand meter for measurements of pH, mV, relative mV, ion concentration, conductivity, TDS (total dissolved solids), salinity and specific resistance. - 'Intelligent Sensor Management' (ISM®). - Full GxP support: simple, safe operation. - 5-point pH calibration with 7 pre-defined and one user-defined buffer set. - Data memory of 500 GLP data sets with date / time, sensors-ID and SN, user- and sample-ID. - Wireless IR communication. - Large graphical display with backlight. Dual channel expoert hand meter for measurements of pH, mV, relative mV, ion concentration, conductivity, TDS (total dissolved solids), salinity and specific resistance. - 'Intelligent Sensor Management' (ISM®). - Full GxP support: simple, safe operation. - 5-point pH calibration with 7 pre-defined and one user-defined buffer set. - Data memory of 500 GLP data sets with date / time, sensors-ID and SN, user- and sample-ID. - Wireless IR communication. - Large graphical display with backlight.