Product Mode： Fixed mode of products： Test Speed： Number of tests： Equipment size： Description: The structure of this fully anechoic chamber is based on international standards ISO3745《Acoustics–Determination of sound power levels of noise sources-----Precision methods for anechoic and semi–anechoic rooms》 Designed in accordance with the standard GB6882 "Acoustics: Determination of sound power of noise sources: Precision method for anechoic and semi anechoic chambers". Simultaneously meet the requirements of ISO 7779 equipment air noise testing standard