EMERSON KJ3002X1-BG2 系统备件是艾默生的一款温度变送器。它通常用于工业过程控制系统中，将温度信号转换为标准电信号输出，以便在控制系统中进行处理和监控。
It is a temperature transmitter from Emerson. It is usually used in industrial process control systems to convert temperature signals into standard electrical signals for processing and monitoring in the control system.