The 133819-02 is an RTD/TC Temperature I/O Module developed by General Electric.It is a 3500/61 RTD/TC Non-lsolated I/O Module with Internal Terminations. This module facilitates temperature monitoring and accepts both Resistance Temperature Detector (RTD) and Thermocouple(TC）temperature inputs. The system modules condition these inputs and compare them against user-programmable alarm setpoints.