The Edan-21.21.064244 is a medical-grade external AC/DC power supply module engineered specifically for the iSE series diagnostic electrocardiograph systems. Designed to deliver a consistent and regulated 19V direct current output, this transformer ensures uncompromised instrumentation performance even during heavy clinical utilization. Built with advanced internal stabilization filters, it suppresses electrical line noise and voltage spikes from entering the sensitive diagnostic core, protecting patient wave tracking records and maintaining steady charging rates for internal system batteries.