The SensoRex Toroidal Conductivity Kit is a portable conductivity meter kit designed for water quality testing. It includes a SX620C meter with automatic temperature compensation, 0-20,000 μS/cm range, and battery indicator. The kit also contains calibration standards, toroidal conductivity sensor, hard carrying case, and accessories for field measurement and calibration. With a lightweight, waterproof design, it is ideal for lab and field use in measuring conductivity in water, wastewater, and other aqueous solutions.