
The waterproof Myron L Ultrapen PT1 Conductivity/TDS/Salinity Pen is designed to be accurate, fast and simple to use in a variety of applications. It has the ability to select from three different solution types that model the characteristics of the most commonly encountered types of water; proprietary automatic temperature compensation and TDS conversion algorithms. It boasts highly stable microprocessor-based circuitry, user-friendly design and waterproof housing. It needs only one free hand to use, as gardeners need only to press a button and dip the pen in solution to see results display in seconds. Measurement range 1 - 9999 μS or ppm (0.0010 - 9.999 ppt salinity); reading accuracy of ±1%, calibration point accuracy of ±0.2%. Battery included.