Lutron DO-5512SD Datalogging Dissolved Oxygen Meter

SD Card real time data recorder \nDISSOLVED OXYGEN METER \nModel : DO-5512SD \n* Real time data logger, save the data into the SD memory card and can be downloaded to the Excel, extra software is no need. \n* Use the polar graphic type oxygen probe with temperature sensor, high precision measurement for Dissolved Oxygen ( DO ) and temperature measurement. \n* Dissolved oxygen range : 0 to 20 mg/L. \n* Auto temp. compensation, Auto Calibration. \n* % salt and height value compensation adjustment. \n* Probe head with diaphragm set and electrolyte are included. \n* Dissolved oxygen probe head can be connected with BOD bottle. \n* Record ( Max., Min. ), Data hold, zero adjust. \n* RS232/USB computer interface. \n* Patented.