Raytek Corporation

The Marathon FR1T is available in three models, covering from 932 to 4532¯F (500 to 2500¯C) and is designed for harsh environments such as iron and steel and glass production. Specifications include accuracy or uncertainty as good as I0.3% of value, 10-millisecond response time, and a built-in display/user-interface for easy set-up and installation. Proprietary signal processing electronics support advanced features such as programmable analog and relay out-puts, remote parameter configuration, and serial data communications.