AMIKON Industrial Supply / Yokogawa FIELD I/O SERIES / AAR181-S50 Temperature Input Module Yokogawa AAR181-S50 The Yokogawa AAR181-S50 is an RTD input module designed to acquire resistance temperature detector signals for industrial process control. It provides isolated temperature input channels for integration into Yokogawa FIO-based control systems. 01 / DATA Technical Specifications Key Instrument Readouts AAR181-S50 / RTD 12CH Input Channels RTDISOLATED 1SEC Data Update