CT7300 Series two-pen circular chart recorder measures and records up to two process variables from a variety of inputs. Record and optional alarm settings are easily configured for multiple recording applications. In the event of power loss, battery backup maintains recording for up to 48 hr.• Universal Input • 2 Pen Circular Process Recorder, 254 mm (10" Chart) • Quick, Easy Setup • Easy-to-Replace Paper Chart with Magnetic Hub • No "Dip Switches" to Set During Configuration • Up to 48 Hours of Battery Back-Up Recording Time • Latching or Non-Latching Programmable Relays • Built-In Chart Lights