... .Sensor can be RTD or thermocouple 2.PID output pt100 temperature sensor controller1. Product HighlightsThermocouple: T, R, J, B, S, K ... -in algorithms that fit most control objects and various applications.Temperature can be set to display in either Fahrenheit or Celsius ... .LED Display: Red, 0.28 inchOut of range indication: “EEEE”.Ambient temperature requirements: 0 to 50 C (32 to 122 F)Humidity ...