AI532 Includes Only:EC820 Lab Conductivity Meter2401T-F Conductivity ElectrodeConductivity Standard Solution (84μS,1413μS,12.88mS/50mL) 1 for each9V Power AdapterFlexible Electrode HolderPC-Link Software DiskUSB CableInstruction ManualQuick ManualFeatures:Highest conductivity accuracy: ±0.5% of Full Scale± 1 digitThe BPB Glass Conductivity Electrode ensure Quick & Accurate EC measurements in wide ranges (0 to 2000 mS/cm)The large backlit LCD displays conductivity and temperature simultaneously along with icons of stable readings and finished calibrations.Quick and Easy 1 to 4 points auto calibration with calibration guide and reminder function (premixed standard solutions included)GLP Data management (500 groups of data storage)USB data output and software supportThe Apera Instruments EC820 Precision Benchtop Conductivity Meter provides reliable conductivity measurements with various intelligent functions and a durable structure. Equipped with Apera's high-precision BPB (Brush-Resistant Platinum Black) glass conductivity/Temp. electrode (2401T-F), the meter measures Conductivity (EC)/TDS/Salinity/Resistivity/Temperature in a stable and accurate manner in wide ranges (0 to 2000 mS); Accuracy: ±0.5% F.S.Intelligent Functions:Quick & Easy 1 to 4 Points Auto Calibration (84μS/cm, 1413μS/cm, 12.88mS/cm, 111.8mS/cm). The Smart Self-Diagnosis helps you conduct proper calibrations and monitor the condition of your probes with electrode's slope data display. The large clear LCD displays EC/TDS/Salinity/Resistivity and temperature simultaneously along with icons of stable readings and finished calibrations.GLP Data management (500 groups of data storage), USB data output and PC software support. Timing measurement/data logging mode and Smart calibration reminder function available.Reliable Structure:IP54 Water-resistant. It comes with a complete test kit including an EC820 Precision Benchtop Conductivity Meter, a Conductivity/Temp. Electrode, a flexible electrode arm and holder, a USB cable, a PC-Link Software flash drive (Windows-based system only), a power adapter (input: 120V AC 60Hz; Output: 9V--300mA), and 3 bottles of calibration solutions.