數(shù)字噪音計的詳細(xì)信息

/*110922_中文版_新中間頁_中間_300*250*/ var cpro_id = 'u620430'; 一般特征供電 9V堿性電池或者電源適配器 4節(jié)1.5VAA堿性電池或6V電源適配器LCD尺寸 30*50mm30*50mm產(chǎn)品顏色 象牙白象牙白產(chǎn)品凈重 178g300g(include battery)產(chǎn)品尺寸 207*70*29mm 265*70*35mm包裝包裝方式1(中國)彩盒包裝彩盒包裝標(biāo)準(zhǔn)外箱容量 2020標(biāo)準(zhǔn)外箱尺寸 55.0*45.0*26.5cm57.0*51.7*23.8cm標(biāo)準(zhǔn)外箱毛重 13.96kg 10.5kg包裝方式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技術(shù)參數(shù)：型號AR-814AR-824Measuring Range測量范圍30～130dBA35～130dBC30～130dBA 35～130dBCAccuracy測量度±1.5dB±1.5dBFrequency Range頻率響應(yīng)31.5HZ-8.5KHZ31.5HZ-8.5KHZLinearity R動態(tài)范圍ange50dB50dBAC/DC OutputAC/DC信號輸出√√Auto Power Shut Off自動關(guān)機功能√√Low Battery Indication低電顯示功能√√Over Range Indication過載提示√√Digit %26amp; Resolution數(shù)位及分辨率5Digits %26amp; 0.1dB5Digits %26amp; 0.1dBTime Weighting Selection動態(tài)特性選擇Fast/SlowFast/SlowMicrophone麥克風(fēng)1/2 Inch Electret Condenser Microphone 1/2英寸電容式麥克風(fēng)1/2 Inch Electret Condenser Microphone 1/2英寸電容式麥克風(fēng)Frequency Weighting頻率加權(quán)特性A %26amp; CA %26amp; CSound Measuring Level Selection測量檔位選擇√√Max Hold Function值鎖定√