Multi parameters Bench-Top Meter pH, mV, Temperature, Conductivity & TDS, Salt, & dissolved oxygen Meter. With Automatic calibration of the electrode. Automatic temperature compansation (ATC). Output data logging to PC directly via USB. Memory up to 150 data. All meters has a special platform with magnetic stirrer and electrode holder. Meters are delivered in a box complete with all necessary accesories and standard solutions. Isolab Germany