Series 3699A and 3699B offer high-end electronic features to provide exact sensing and control of heating, cooling and humidity. The electronic temperature controllers support a range of inputs, including thermocouple, NTC thermistor and external switch. Selectable operation modes include on/off, on/off with defrost, timer or PID. Other settable parameters include setpoint, differential, actuator restrictions, alarms and timers.

Selco Products
(775) 674-5100
www.selcoproducts.com