Measures electrical conductivity (EC) and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Measurement Range: 09999 S/cm Digital calibration (push button), auto-off function, data-hold function, and low-battery indicator Features a sleek design with a large, easy-to-read LCD screen that displays EC and temperature simultaneously Factory calibrated with a 700 S/cm solution; digital push-button calibration allows for easy recalibration EC Range: 09999 S/cm Temperature Range: 080C (32176F) Resolution: 1 S/cm; temperature resolution of 0.1C Accuracy: 2% Water-resistant housing Powered by 1 x 3V button cell (CR2032, not included) To convert S/cm to mS/cm: divide by 1000 (1000 S/cm = 1 mS/cm) EC (Electrical Conductivity) measurement ideal for water quality testing Color: White Material: Plastic Package Contents: 1 x Water Quality Tester Note: Other items not included. Product label text may vary. Slight variations in color or design may occur due to manufacturing updates. Lighting and screen settings may cause slight differences in color appearance. Measurement may vary by 13 cm.