Single-setpoint controller, standard size 32x74mm.


ON/OFF control (programmable direct or reverse action for cooling and heating) or PI control (PID-Autotuning on versions 115 Vac or 230Vac) for thermocouples/RTD (selectable input). Measuring range configurable as –50….999 °C/units.
Visualization of error messages. Parameters are protected by password to avoid unauthorised access by the operator.
The controller ATR121 integrates and improves the features and performances of this model