Novatek tr 101 temperature protection relay with 4 outputs rs485 novatek tr 101 p the novatek tr 101 is designed for monitoring the temperature of a device using up to 4 sensors which may be connected in two or three wire configuration temperatures are indicated on the unit s digital display if a temperature moves out of the user defined range the tr 101 can trigger an alarm ventilate the device or remove power from the device until the temperature returns to its acceptable range p