上海民仪电子有限公司

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>适用标准

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>IEC 651 Type2

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>测量范围

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>A LO (Low) - Weighting: 35- 90dB
A HI (High) - Weighting: 75-130dB
C LO (Low) - Weighting: 35- 90dB
C HI (High) - Weighting: 75-130dB

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>分辨率

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>0.1dB

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>频率范围

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>31.5Hz to 8KHz

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>准确度

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>±1.5dB (ref 94dB @1KHz)

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>重作范围

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>55dB

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>权衡网络频率

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>A、C

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>时间向应

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>Slow & Fast

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>Maximum Hold

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>Decay < 1dB/3min

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>麦克风

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>极化电容式麦克风

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>校正

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>内部94.0Db位置校正

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>输出

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>AC约 0.55Vrms (每范围档),输出阻抗600Ω
DC约 10mV/dB (nominally),输出阻抗: 100Ω

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>操作温湿度

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>value="0" UnitName="℃">0℃ to value="40" UnitName="℃">40℃ < 80% R. H.

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>储存温湿度

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>value="10" UnitName="℃">-10℃ to value="60" UnitName="℃">60℃ < 70% R.H.

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>显示器

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>4 digitals

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>电源

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>one 9V battery

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left> 尺寸

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>value="240" UnitName="mm">240mm(L)xvalue="68" UnitName="mm">68mm(W)xvalue="25" UnitName="mm">25mm(H)

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left> 重量

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>value="215" UnitName="g">215g

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left> 附件

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>皮套, 测试棒, 电池, 使用说明书