The Smartec CLD18 toroidal conductivity transmitter for hygienic applications has a food-safe polyetheretherketone toroidal sensor, potted electronics and a NEMA Type 6P/IP 69K stainless steel or plastic housing to withstand clean-in-place operations. The sensor has chemical, mechanical and thermal resistance properties and is seamless, gap-free and safe to use in hygienic applications in the food, beverage and life sciences industries.