Hach Pocket Pro+ Multi 1 Tester for Conductivity-TDS-Salinity

Building on the features of Hach Pocket Pro Testers, Pocket Pro+ Testers offer the addition of replaceable sensors and a backlit LCD display which allows for use in low light environments. An intuitive user interface ensures simple operation, and the convenient sensor cap makes calibration and measurements easy. IP67 Rated. Includes 4 AAA batteries, lanyard, calibration solution, and quick start guide. Operating Temperature Range: 0 to 50°C.