LUTRON PCD-431 Pen Type Conductivity TDS Meter

LUTRON PCD-431 Pen Type Conductivity Meter, Conductivity 0 to 2000 μS (2000 μS), 2 to 20.00 mS (20 mS), Accuracy ± (3% F.S. + 1 d), Temperature Compensation Range 0 to 60ºC (Automatic), Sampling Time 0.8 Second, Custom One-chip of Microprocessor LSI Circuit, Water & Dust Proof, Data Hold, Carbon Rode Electrode, High Reliability, External Calibration Buttons.