Signal Isolated Converter, Signal Conditioners, Frequency Converters manufacturer / supplier in China, offering Two Channels Analog Signal to RS485/232 Converter 0-20mA to RS-232 Signal Measurement/Monitoring/Control, Two Channels Analog Signal to RS485/232 Converter Modbus Data Acquisition Module for Industrial Automation, 0-10V/4-20mA to RS-232 Current/Voltage Input Signal Acquisition Module Sensor Signal and so on.