数字噪音计的详细信息

/*110922_中文版_新中间页_中间_300*250*/ var cpro_id = 'u620430'; 一般特征供电 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LCD尺寸 30*50mm30*50mm产品颜色 象牙白象牙白产品净重 178g300g(include battery)产品尺寸 207*70*29mm 265*70*35mm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 13.96kg 10.5kg包装方式2(Other Countries) Blister BlisterStandard Quantity Per Carton 2020Standard Carton Size 41.0*37.5*33.2cm41.0*37.5*33.2cmStandard Carton Gross Weight 5.76kg6.2kg技术参数：型号AR-814AR-824Measuring Range测量范围30～130dBA35～130dBC30～130dBA 35～130dBCAccuracy测量度±1.5dB±1.5dBFrequency Range频率响应31.5HZ-8.5KHZ31.5HZ-8.5KHZLinearity R动态范围ange50dB50dBAC/DC OutputAC/DC信号输出√√Auto Power Shut Off自动关机功能√√Low Battery Indication低电显示功能√√Over Range Indication过载提示√√Digit %26amp; Resolution数位及分辨率5Digits %26amp; 0.1dB5Digits %26amp; 0.1dBTime Weighting Selection动态特性选择Fast/SlowFast/SlowMicrophone麦克风1/2 Inch Electret Condenser Microphone 1/2英寸电容式麦克风1/2 Inch Electret Condenser Microphone 1/2英寸电容式麦克风Frequency Weighting频率加权特性A %26amp; CA %26amp; CSound Measuring Level Selection测量档位选择√√Max Hold Function值锁定√