Multi-channel 4-20mA to RS232 RS485 A-D Converter

Small Size 0-75mv|0-20mA to RS232|RS485 Modbus RTU Converter

16-CH 4-20mA-0-5V-0-10V to RS485|RS232 Converter

Modbus Protocal Analog Input Data Acquisition (ISO 4021A)

4-20mA to RS232 Data Acquisition Converter

4-20mA to RS232/RS485 a-D Converter (Modbus)

8-Channel Data Acquisition Device with Modbus RTU RS485/232 Interface

Two/Four-Channel 0-5V/4-20mA to RS232/RS485 Converter with LED Display

4-20mA to RS485 RS232 a-D Isolation Converter

DC Current/Voltage to RS485/RS232 Converter with Temperature Detection

Analog Signal Isolated Acquisition a/D Converter (ISOAD 16)

16-Channel 4-20mA to RS232/RS485 Converter (Analog to digital signal)

Two/Four-Channel Analog Signal to RS232/RS485 Converter with LED Display

0-+/-100mv, 0-+/-10V, 4-20mA, 0-+/-20mA to RS232/RS485 a-D Converter

Analog Signal to Digital Signal Converter Support Modbus RTU

8 Channel 4-20mA to RS485 Output Modbus Data Acquisition Modules

4-20mA to RS485 RS232 Converter with 3kvdc Isolation 2-8 Channel I/O

RS232/485 Modbus Analog to Digital Data Acquisition Module

2 Channel RS485/232 Data Acquisition with Modbus Protocal

4~20mA to RS485 Converter (2*Analog Inputs 1*Digital Output)

2-Channal 4-20mA to RS232/485 Converter with LED Display