Myron L Company’s ULTRAPEN™ PT1 delivers lab-accurate results for conductivity, TDS and salinity. High-performance features include accuracy of ±1 percent of reading; ±0.2 percent at calibration point; reliable and repeatable results; KCl, NaCl and 442™ natural water modes; automatic temperature compensation and auto-ranging. The device is waterproof and a user-replaceable battery is included. Visit the company at WEFTEC booth # 1345. http://www.myronl.com, [email protected]