Features: 8157BNUMD Orion RODD Ultra Triode pH/ATC electrode 013005MD Orion Dura Probe conductivity cell 810199 : ROSS solution kit (475 mL each of pH 4, 7 and 10 buffers, storage solution, cleaning solution and pH electrode storage bottle) 011007 Orion 1413 μS conductivity standard, 5 x 60 mL Electrode arm with redesigned holder Universal power adapter Specification: Range : -2.000 to 20.000 Resolution: 0.1, 0.01, 0.001 Relative Accuracy: ±0.002 Calibration Points: Up to 5 Calibration Editing: Yes mV/RmV: Range: ±2000.0 mV Resolution: 0.1 Relative Accuracy: ±0.2 mV or ±0.05 % of reading whichever is greater EH ORP Mode : Yes Conductivity Range: 0.001μS to 3000 mS Resolution: 0.001μS minimum; 4 significant figures minimum Relative Accuracy: 0.5% reading ±1digit Relative Temperature : 5,10, 15, 20, 25ºC (default) Temperature : Linear (0 to 10.0%/ ºC) Compensation: nLn, nLFu, EP Compatible : 0.001 to 199.9 Cell Constants Calibration Points : Up to 5 points Calibration Editing : Yes Resistivity Range : 2 ohm to 100 meg-ohm Resolution : 2 ohms-cm Relative Accuracy : 0.5% reading +1 digit Salinity Type : Practicle salinity or natural sea water Range : 0.01 to 80.0ppt NaCl equivalent, 0.01 to 42 ppt practical salinity Resolution : 0.01 Relative Accuracy : +0.1 TDS Range : 1 to 200 ppt Resolution : 4 significant digits Relative Accuracy : 0.5% reading +1digit TDS Factor Range : Linear 0.01 to 10.00, default 0.49 Temperature Range : -5 to 105 ºC , 23 to 221 ºF Resolution : 0.1 Relative Accuracy : +0.1 Offset Calibration : 1 point |