The K8DT-AS1CA is a digital temperature controller from Omron. It is a low-cost, single set-point controller designed to provide convenient temperature control from a variety of input sources. The K8DT-AS1CA features a detachable terminal block for easy wiring and set-up, a red/green LED for operating and alarm status, two selectable temperature units, and an adjustable differential for improved control. It can also be configured for a wide range of specialty applications, such as cooling, heating, freeze protection, and humidification.