华盛昌 DT-8851|8852带USB接口噪音计

Microsoft YaHei//;line-height: 2">DT-8851

Microsoft YaHei//;line-height: 2">DT-8852

Microsoft YaHei//;line-height: 2">32700Microsoft YaHei//;line-height: 2">个数据存储

Microsoft YaHei//;line-height: 2">√

Microsoft YaHei//;line-height: 2">适用标准

Microsoft YaHei//;line-height: 2">IEC61672-1 CLASS2

Microsoft YaHei//;line-height: 2">准确度

Microsoft YaHei//;line-height: 2">1.4dB

Microsoft YaHei//;line-height: 2">频率响应

Microsoft YaHei//;line-height: 2">31.5Hz~8kHz

Microsoft YaHei//;line-height: 2">动态范围

Microsoft YaHei//;line-height: 2">50dB

Microsoft YaHei//;line-height: 2">测量范围

Microsoft YaHei//;line-height: 2">低频Microsoft YaHei//;line-height: 2">30dB~80dB

Microsoft YaHei//;line-height: 2">中频Microsoft YaHei//;line-height: 2">50dB~100dB

Microsoft YaHei//;line-height: 2">高频Microsoft YaHei//;line-height: 2">80dB~130dB

Microsoft YaHei//;line-height: 2">自动频段Microsoft YaHei//;line-height: 2">30dB~130dB

Microsoft YaHei//;line-height: 2">频率加权

Microsoft YaHei//;line-height: 2">AMicrosoft YaHei//;line-height: 2">和Microsoft YaHei//;line-height: 2">C

Microsoft YaHei//;line-height: 2">时间加权

Microsoft YaHei//;line-height: 2">快速（Microsoft YaHei//;line-height: 2">FASTMicrosoft YaHei//;line-height: 2">）Microsoft YaHei//;line-height: 2">125Microsoft YaHei//;line-height: 2">毫秒，慢速（Microsoft YaHei//;line-height: 2">SLOWMicrosoft YaHei//;line-height: 2">）Microsoft YaHei//;line-height: 2">1Microsoft YaHei//;line-height: 2">秒

Microsoft YaHei//;line-height: 2">麦克风

Microsoft YaHei//;line-height: 2">1/2Microsoft YaHei//;line-height: 2">英寸极化电容式麦克风

Microsoft YaHei//;line-height: 2">显示

Microsoft YaHei//;line-height: 2">4Microsoft YaHei//;line-height: 2">位液晶，解析度Microsoft YaHei//;line-height: 2">0.1dBMicrosoft YaHei//;line-height: 2">，数值更新Microsoft YaHei//;line-height: 2">2Microsoft YaHei//;line-height: 2">次Microsoft YaHei//;line-height: 2">/Microsoft YaHei//;line-height: 2">秒

Microsoft YaHei//;line-height: 2">高低过载指示

Microsoft YaHei//;line-height: 2">OVERMicrosoft YaHei//;line-height: 2">、Microsoft YaHei//;line-height: 2">UNDERMicrosoft YaHei//;line-height: 2">符号

Microsoft YaHei//;line-height: 2">类比信号输出

Microsoft YaHei//;line-height: 2">AC/DCMicrosoft YaHei//;line-height: 2">信号由耳机插座输出；Microsoft YaHei//;line-height: 2">AC=1VrmsMicrosoft YaHei//;line-height: 2">，Microsoft YaHei//;line-height: 2">DC=10mV/dB

Microsoft YaHei//;line-height: 2">数据输出

Microsoft YaHei//;line-height: 2">USBMicrosoft YaHei//;line-height: 2">数据通信

Microsoft YaHei//;line-height: 2">电源

Microsoft YaHei//;line-height: 2">一个Microsoft YaHei//;line-height: 2">9VMicrosoft YaHei//;line-height: 2">电池Microsoft YaHei//;line-height: 2">(006PMicrosoft YaHei//;line-height: 2">或Microsoft YaHei//;line-height: 2">NEDA1604Microsoft YaHei//;line-height: 2">或Microsoft YaHei//;line-height: 2">IEC6F22)

Microsoft YaHei//;line-height: 2">电池寿命

Microsoft YaHei//;line-height: 2">至少Microsoft YaHei//;line-height: 2">30Microsoft YaHei//;line-height: 2">个小时

Microsoft YaHei//;line-height: 2">尺寸

Microsoft YaHei//;line-height: 2">278*76*50 mm

Microsoft YaHei//;line-height: 2">重量

Microsoft YaHei//;line-height: 2">350 g