Intertec’s smart programmable controller for precision temperature regulation of process instrumentation and analyzer enclosures in hazardous environments is suitable for use with any Intertec explosion-proof electric heater. The new generation Smart Controller 2.0 is flexible and has fieldbus networking, extensive monitoring and diagnostic routines, programmable temperature ramping, data logging, and temperature monitoring with user-definable limits. The controller has a switching capacity of up to 10 A, enabling it to be used with explosion-proof heaters with power ratings as high as 2,300 W.