美国BIRD鸟牌负载
DA25V3F15,DA25V3U15,DA25V3F30,DA25V3U30,DA25V4U15,DA25V4U30
DA25 VHF Series
DA25 VHF Series, 0-240 MHz, DA Series, Digital Air Loads are forced air cooled loads that provide a fully self-contained and convenient means of dissipating large amounts of analog or digital RF power. Digital Air loads require no plumbing, pumps or complicated installation and setup procedures. The four fan design provides excellent cooling efficiency as well as extremely high reliability.