EC400S Portable Conductivity Meter KitThe Apera Instruments EC400S Portable Conductivity/TDS/Salinity/Resistivity Meter provides accurate and stable measurements with various intelligent functions and a durable structure.Equipped with Apera's unique BPB (Brush-Resistant Platinum Black) conductivity sensor, the meter takes accurate measurements of EC, TDS, Salinity, Resistivity and temperature in a wide range (0 to 200 mS/cm)Intelligent Functions: Quick & Easy 1 to 4 Points Auto Calibration. The Smart Self-Diagnosis helps you conduct proper calibrations and determine the condition of your probe. GLP Data management (500 groups of data storage), USB data output and power supply. Timing measuring/data logging mode and Smart calibration reminder function available. The large clear LCD displays EC and temperature simultaneously along with icons of stable readings and finished calibrations.Reliable Structure: IP57 Waterproof and Dustproof, ideal for use in harsh environments. It comes with a complete test kit including a EC400s Portable Conductivity Meter, a Conductivity Electrode, a USB cable, PC-Link Software Disk (only works for Windows-based system), and 3 bottles of calibration solutions all in a rugged carrying case. Powered by AA Batteries.Features:Takes quick and accurate measurements of EC, TDS, Salinity, and Resistivity in a wide range (0 to 200 mS/cm)IP57 Waterproof and Dustproof, ideal for use in harsh environmentsThe large backlit LCD displays EC and temperature simultaneously along with icons of stable readings and finished calibrations.GLP Data management (500 groups of data storage), USB data output and power supplyQuick and Easy 1 to 4 points auto calibration with calibration reminder function (premixed standard solutions included).