125V AC, form C relay. High Flow Alarm Disable Audible, visual and relay disable. Night Set back Unit can be disabled remotely. User Alarm Input Intermittent audible and LCD status indicator indicate external alarm. Calibration Two point field calibration required.
Monitor fits into a single electrical receptacle box knock-out.
The calibration and configurable parameters are stored to nonvolatile memory of the instrument and are not lost when the unit loses power. Includes mounting hardware, tubing, sidewall adapter, wall plug-in power supply and owner's manual. The AirGard 405 continuously monitors fume hood face velocity by measuring the air velocity of clean air from the room passing through the air inlet on the front of the monitor. It is an easy to install surface mount monitor that only requires a single point calibration in the field. The device provides both visual and audible alarms to alert the user of abnormal airflow conditions.