A process can drift out of range long before anyone notices a problem on the floor. A tank warms a few degrees too much. A pressure line pulses outside its normal band. A pump signal starts trending strangely during the night shift. If those changes are recorded on paper charts or checked by hand, the warning signs can be hard to catch in time. That is why paperless recorders have become such useful tools in plants, processing lines, utilities, labs, and storage facilities. T
