One of my first jobs as a freshly minted graduate engineer involved the maintenance of a set of analogue chart recorders. They were museum pieces by the early 1990s: a motorized roll of graph paper ...

The CT7300 Series two-pen circular-process chart recorder measures and records up to two process variables from a variety of inputs. Record and optional alarm settings are easily configured for ...

Palmer Wahl has added differential pressure chart recorders to its existing line of mechanical circular chart recorders. Palmer Wahl has added differential pressure chart recorders to its existing ...