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testo 405-V1 风速仪testo 405风速仪，带管道支架的热敏风速仪，包括电池和多功能固定夹最新款口袋系列仪器，带可旋转的显示屏，易于读数。testo 405是一♂款热敏风速仪。它可测风速、风量和温度。testo 405适用于检测通风管道、出风口或非密封的窗户。?测量风量高达99,990 m3/h?伸入通风管道内测量的理想仪器?300mm的ζ伸缩测量棒
