Myron L Company Ultrapen PT1 Pocket Tester Pen

Offering reliable, repeatable results, this tester measures conductivity, TDS, salinity, and temperature with the press of a button. The waterproof tester features automatic temperature compensation, autoranging, an anodized aluminum case with UV protective coating, and durable, fully encapsulated electronics. Includes tester (with N Type battery installed), scoop, pocket clip, holster, lanyard, and instructions. One-year warranty from the manufacturer.