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 |