Data logger pH meter PH-230SD 1 unit

Data can be saved on an SD card, imported into a computer, and edited using Excel(R). It comes with a backlight, making it convenient for measurements in dark places. Model number: PH-230SD Measurement range (pH/ORP): 0 to 14 pH/-1999 to +1999 mV Accuracy: pH/±0.02+2dgt, ORP/±0.5%+2dgt Resolution: pH/0.01pH, ORP/1mV Data output: SD card (1 to 16G), RS232C, USB Functions: Maximum/minimum value display, data hold, clock Product size: 68 x 45 x 177 mm Power supply: 6 AA batteries (included for testing) or AC adapter (sold separately) DC9V Weight: Approx. 489g Accessories: pH electrode (PE-11), pH 4 and 7 standard solutions, SD card (8GB), carrying case *A separate ORP electrode is required for ORP measurement.