Emerson DeltaV KJ4001X1-NA1 is an analog input module produced by Emerson. It is a component in the Emerson DeltaV system that is used to receive and process analog input signals.

The KJ4001X1-NA1 analog input module has multiple channels and can receive multiple analog input signals and convert them into digital signals for processing and control. It is often integrated with other DeltaV system modules and devices to monitor and control process parameters such as temperature, pressure, flow, etc.