The new Salt Waterproof PockeTester measures Sodium Chloride levels from 0 to 10.00 ppt (10,000 ppm) in 0.1 ppt (100 ppm) increments. The meters waterproof probe is dipped into a sample of pool water and the results are ready in just seconds. The PockeTester comes with an unique belt clip, so the meter can be worn on the side for easy access. Another feature of this PockeTester is the automatic temperature compensation along with the hold function for viewing the results. The Salt Waterproof PockeTester comes with a 1 year warranty and is packaged in a rugged carrying case with a special calibration standard.