CAL are a market leading manufacturer of temperature and process controllers. Our comprehensive range of easy-to-use controllers are complemented by data-logging, configuration and networking software in addition to a range of temperature sensors and solid state relays.
Temperature controllers

A range of controllers with PID, auto-tune, heat-cool and single ramp soak as standard with RS232 and RS485 communications options. Temperature and Process Controllers with profiling – Controllers with programmable ramp-soak profiles up to 126 segments. A maximum of 31 programs can be stored within a single controller.
Logging Charting and Networking

Easy to use software for charting, logging and configuration of networks of up to 128 controllers.
(Source http://www.cal-controls.com/)