Lutron PH-230SD PH Meter, SD Card

\nSD Card real time data recorder\n+ ORP ( mV ), ATC\npH METER\nModel : PH-230SD\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* pH : 0 to 14.00 pH.\n* mV ( ORP ) : -1999 mV to 1999 mV.\n* Manual temperature compensation.\n* ATC ( automatic temperature compensation ) via optional Temp. probe ( TP-07 ).\n* Auto calibration for pH 7.0, pH 4.0, pH 10.0 and other value.\n* Data hold, Record ( Max., Min. ).\n* RS232/USB computer interface.\n* Optional pH electrodes : PE-03, PE-11, PE-01, PE-02, PE-08, PE-06HDA.\n* Wide applications :\n Water conditioning, aquariums, beverage, fish hatcheries, food processing, \n photography, laboratory, paper industry, plating industry, quality control, \n school & college, water conditioning.\n* Patented.\n