德國(guó)Vallen www.vallen.de
AMSY-5型超高速、全數(shù)字、全波形、強(qiáng)抗干擾聲發(fā)射采集分析系統(tǒng)是由德國(guó)華倫公司在1997年開(kāi)發(fā)的全數(shù)字多通道聲發(fā)射儀器AMSY-4型的基礎(chǔ)之上，根據(jù)多年數(shù)字電路的設(shè)計(jì)和制造經(jīng)驗(yàn)，采用目前最先進(jìn)的可編程FPGA數(shù)字技術(shù)，設(shè)計(jì)并制造的性能優(yōu)越的聲發(fā)射儀器。 
Welcome to Vallen Systeme GmbH, The Acoustic Emission Company
Founded more than 20 years ago, Vallen Systeme GmbH is specialized on developing and manufacturing of instrumentation for Acoustic Emission (AE).
Providing advanced technology, Vallen Systeme introduced a number of novelties into the field of Acoustic Emission: the first digital Acoustic Emission system AMS2 in 1986, the first 32 Bit Windows Acoustic Emission Software 1998.
Dedication to service, reliability, and performance results in numerous satisfied customers worldwide. Our Acoustic Emission systems are proven in field service as well as laboratory research