Model 222 Toroidal Conductivity Sensor

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REDUCED CLEANING REQUIREMENTS provided through the use of inductive measuring principles. CHEMICALLY RESISTANT MATERIALS withstands the effect of highly corrosive solutions. HIGH TEMPERATURE PEEK SENSOR operates at temperatures up to 200°C (392°F). FLOW THROUGH SENSORS LINED WITH Teflon® allows high temperature, high pressure measurements.

FEATURES AND APPLICATIONS Rosemount Analytical Toroidal Conductivity Sensors are used in processes where conventional sensors having electrodes exposed to the measured solution would corrode or become fouled. The Model 225, 226, and 228 toroidal (inductive) conductivity sensors consist of a pair of wire-wound metal toroids overmolded with corrosion-resistant PEEK or Tefzel. One coil is the transmitter, and the other coil is the receiver. When the sensor is immersed in a conductive liquid and the transmitter coil is energized, the coil induces a current in the solution. The solution current induces another current in the receiver coil, which the analyzer measures. The current in the receiver coil is directly proportional to the conductivity of the solution. The Model 222 sensor is constructed of Teflon® lined carbon steel pipe and is available in one-inch and two-inch pipe sizes with a choice of 150 pound or 300 pound ANSI flanges. The sensor includes a separate temperature element suitable for mounting in a thermowell. Model 200 sensors are compatible with most Rosemount Analytical sensors. All sensors have an integral RTD to allow temperature-compensated conductivity measurements. Teflon® is a registered trademark of DuPont Films.