Ranco 4 Stage Digital Controller with Alarm, Cyclical Timer, Serial Communication and HACCP (115/230v)

It has four configurable outputs: cooling, heating, minimum ventilation, and alarm and timer (cyclic timer). It has an internal audible alarm (buzzer), a configurable digital filter, and accept three types of sensors: NTC thermistor (- 50 to 105°C), PT100, and PT1000 (- 99 to 300°C). This instrument provides for the rotation of up to four devices. MT-543E Log also has a fifth relay that can be used as a power fault alarm and/or alert. In addition, it features a clock and internal memory (datalogger), which allows storage of the temperature value at specified periods of time, the variation of temperature and the status of the outputs. It also features a built-in rechargeable battery, which allows the data recorded to be kept even after a power fault.