Introducing the DEC-2, ATAGO's new low Priced Electric Conductivity Meter. The compact, easy to use design makes the DEC-2 the ideal instrument to take anywhere you need to measure conductivity. The unit is water resistant (IP67). The DEC-2 also features Automatic Temperature Compensation from 0 to 50°C. For soil and hydroponics, industrial washing liquids, checking wastewater and other soluble solutions the DEC-2 is an easy and accurate, not to mention inexpensive, way to measure conductivity.*Calibrate with the Sodium Chloride(0.71g/100g).