YSI EcoSense EC300ACC-01 [606068] Conductivity, Salinity, TDS, Temperature Meter with Probe, 1m Cable & Carrying Case. The YSI EcoSense EC300ACC-01 Conductivity / Temperature Meter with 1m cable and probe provides the most accurate data in the most affordable format. The instruments feature an easy-to-use interface, one-hand operation, IP67 waterproof case, and low cost of ownership over the life of the product. The EC300ACC-01 is designed for quick, accurate results in an economical platform. The ability to measure conductivity, salinity, TDS and temperature in a simple, compact handheld allows the instrument to be used across multiple application sampling strategies. With a one-year instrument and electrode warranty, waterproof case and ease-of-use, the EC300ACC-01 will fit your needs.