Range 0 to 1999 µS/cmResolution 1 µS/cmAccuracy ±2% F.S.Probe HI 7634-00 EC/TDS probe with internal temperature sensor and 2 m (6.6’) cable (not included)Temperature Compensation Automatic, 5 to 50°C (41 to 122°F) with ß = 2%/°CCalibration manual, ...