Conductivity Meter Electric Conductivity Range 2000 uS/20.00 mS/100 mS TDS Range 1200 ppm/12000 ppm/66000 ppm Automatic Temperature Compensation Yes Displayed Temperature Range 0 Degrees to 50 Degrees C 32 Degrees to 122 Degrees F Operating Temp Range (F) 32 Degrees to 122 Degrees Operating Temp Range (C) 0 Degrees to 50 Degrees Display Dual LCD Auto Power Off Yes Calibration 1 point Cable Length 1 m Power Source 9V Battery