The WAGO 60421718 is a 4-channel analog input module designed for precise measurement of various sensor types, including resistance thermometers (RTDs), thermocouples, strain gauges, and other millivolt-level sensors. This module supports 16-bit resolution and includes built-in diagnostics to ensure reliable operation. Its intrinsic safety certification makes it suitable for use in hazardous environments categorized as Zones 0 and 1, allowing direct connection of sensors such as potentiometers, PTC thermistors, and resistor bridges without additional barriers. Additionally, the module features integrated cold junction compensation for each channel, enhancing temperature measurement accuracy. Distributed by BSP Automation, this WAGO module provides a robust solution for challenging industrial applications requiring safe and accurate analog input processing.