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  1. Technical Sheet ISO-9001:2008 ISO-14001 CO. DNV INDUSTRIAL SYSTEMS PVT. LTD. C-286,SECTOR-10,NOIDA(UP),INDIA,(M) 9811235614 ANECHOIC CHAMBER Purpose: Anechoic Chambers are commonly used to perform experiments in nominally free field conditions. In these anechoic chambers sound energy reduces and travels away from the source with almost none being reflected back. The main and common work of these anechoic chambers is that these chambers measure the transfer function of a loudspeaker or the directivity of noise radiation from industrial machinery. DNV Industries make use of sophisticated technology for manufacturing these anechoic chambers and ensure that these offer complete satisfaction to our clients. Scope: Anechoic Chambers provide a standard, reproducible environment for the measurement of a wide variety of electrical and electronic devices to establish that they meet requirements concerning spurious, harmonic and noise emissions. A sampling of such devices that are measured in chambers are microwave-ovens, communication equipment, typewriters, motor generators, lights, computers, relays, television sets etc. Technical Specifications: Modular Design / Maintenance Friendly Shielding effectiveness -30 to 80 db(A). Air vent and power filter as per requirement CCTV camera CNC Machine Based in-house Production Proper Ventilation and Luminous Shielding door upto 100db(A) Customers: Velioelectricals ltd New holland tractors ltd Air force station suratgarh Mindarica ltd Narora power plant Wings automobiles ltd Sonakoyosteerings ltd Tech. collaborator : NANJING LUPO CO LTD (PIONEER IN ACOUSTIC & ANECHOIC)