MTL 8103-AI-TX-02 8-Channel Analog Input ModuleDescription The MTL 8103 AI TX 02 is an 8 channel analog input module designed for high accuracy current loop signal acquisition. It supports both 2 wire and 4 wire transmitters and integrates seamlessly into PAC8000 I O systems for industrial automation. Specifications Model: MTL 8103 AI TX 02 Input Channels: 8 analog inputs Signal Type: 420 mA current loop Signal Range: 123 mA full span Resolution: 16 bit Accuracy: 0. 1% of span Repeatability: 0.