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Four-channel gas detection control unit - 4 channels | GDA-400
The GDA-400 by Bacharach is a four channel alarm controller that is initially designed to provide display and alarm simultaneously, it is continuous in monitoring and controlling up to four gas transmitters. It includes a graphic LCD for real time monitoring data as gas type and concentration, bar graphs and 30 minute trends. It has a complete calibration functionality for each input channel with three adjustable alarm levels. The relay outputs allow to control audible and visual alarms, strobes, horns, and other alarm events which are optional. Additionally, it has a non-volatile memory that keeps all the configuration data recorded.