Application of 8302 AZ Handheld Electrical Conductivity EC Meter: The 8302 AZ Portable Conductivity & TDS Meter can measure the Conductivity, TDS (Total Dissolved Solid) and Temperature. It has a big LCD screen for multiple parameters display. Its Conductivity sensor electrode is highest durability with reliable measurements.The 8302 AZ Portable Conductivity & TDS Meter is default at "auto-ranging" mode. Auto-ranging mode will determine and select the range which gives you the greatest resolution and accuracy. The Conductivity, TDS and Salinity measuring function of 8302 AZ EC Meter all could proceed with the calibration easily by user. The 8302 AZ Portable Cond. & TDS Meter could link to PC via USB cable to capture the on-line data, and display the Conductivity & TDS readings with real-time output. User can retrieve file, save the data for operating data analysis, record statistics....versatile functions according different purposes.The 8302 AZ Portable Cond. & TDS Meter could be the best Water Quality tester for all professional measuring purposes, including the LAB, water treatment business, Aquaculture, Aqua farm, swimming pool or other related industry.8302 AZ Cond. & TDS Measuring Device was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument.