测量范围30～130dBA35～130dBC测量***度&plu***n;1.5dB频率响应31.5HZ-8.5KHZ动态范围50dB详细进入>>数字噪音计AR824GENERALFEATURES&SPECIFICATI***一般功能和规格AR-814AR-824MeasuringRange30～130dBA30～130dBA测量范围35～130dBC35～130dBCAccuracy&plu***n;1.5dB&plu***n;1.5dB测量***度FrequencyRange31.5HZ-8.5KHZ31.5HZ-8.5KHZ频率响应LinearityRange50dB50dB动态范围AC/DCOutput√√AC/DC信号输出AutoPowerShutOff√√自动关机功能LowBatteryIndication√√低电显示功能OverRangeIndication√√过载提示Digit&Resolution5Digits&0.1dB5Digits&0.1dB数位及分辨率TimeWeightingSelectionFast/SlowFast/Slow动态特性选择Microphone1/2InchElectretCondenserMicrophone麦克风1/2英寸电容式麦克风FrequencyWeightingA&CA&C频率加权特性SoundMeasuringLevelSelection√√测量档位选择MaxHoldFunction√√***大值锁定SamplingFrequency2times/sec2times/sec取样频率GENERALCHARACTERISTICS一般特征Power9V(AlkalineorDCAdapter)6V(4*AAAlkalineorDCAdapter)供电9V碱性电池或者电源适配器4节1.5VAA碱性电池或6V电源适配器LCDsize30*50mm30*50mmLCD尺寸ProductColorIvoryIvory产品颜色***白***白ProductNetWeight178g300g(includebattery)产品净重ProductSize207*70*29mm265*70*35mm产品尺寸PACKINGINFORMATION包装包装方式1(中国)彩盒包装彩盒包装标准外箱容量2020标准外箱尺寸55.0*45.0*26.5cm57.0*51.7*23.8cm标准外箱毛重13.96kg10.5kg包装方式2(OtherCountries)BlisterBlisterStandardQuantityPerCarton2020StandardCartonSize41.0*37.5*33.2cm41.0*37.5*33.2cmStandardCartonGrossWeight5.76kg6.2kg温度计|温度表|风速计|照度计|噪音计|转速计|辐照计|万用表|功率计|声级计|温湿度计|红外线测温仪|温湿度仪|红外线温度计|示波器|电阻测试仪|电阻计|水份计|水份仪|电表|钳表|测厚仪|校正器|转换器|测速仪|转速表|工具包|工具箱|压力表|压力计|气体检测仪|气体分析仪|传送器|变送器|传感器|记录仪|分析仪|溶氧计|电导度计|PH计|酸碱计|真空表|CO***检测器|燃烧气体检测仪|***气体检测仪|高斯计|电磁场测试仪|电源供应器|有纸记录仪|无纸记录仪|电能质量分析仪|多功能测试仪|电容表|硬度计|零件盒|电力分析仪|谐波分析仪|)