Electronic Door Closer Alarm System

Metallic Shielded Case provides the best RFI shielding for GMRT antenna shells, Labs and Correlator Room with temperature controlled environment for smooth operations of various sub-systems sitting inside. But many people forget to close its door after opening it causing serious problems to RFI shielding and overloading to Air Conditioning system. Electronics Door Closer can detect such mistake. It is consists of a sensor- Magnetic Door Contact and Control circuitry to drive the Sounder. In case the door is opened for more than the defined time, sounder will be getting activated and produce sound. Prototype unit is tested in the Correlator Room and it is working fine.