The CT5100 circular chart recorder is capable of measuring and displaying up to two process variables. Users can choose from a variety of programmable inputs. All of the device's record and alarm functions are said to be easily configured via three front panel keypads with self-prompting displays. Required panel depth is only 64 mm and there is only a 33-mm protrusion from the front of the panel. Other features include thermocouple, RTD, dc current, or voltage input, 250-mm charts, programmable inputs, and a four-digit display. Unit price is $621.