數字噪音計 AR814的詳細信息

/*110922_中文版_新中間頁_中間_300*250*/ var cpro_id = 'u620430'; 數字噪音計 AR814產品詳細說明AR-814AR-824Measuring Range30～130dBA30～130dBA測量范圍35～130dBC35～130dBCAccuracy±1.5dB±1.5dB測量度Frequency Range31.5HZ-8.5KHZ31.5HZ-8.5KHZ頻率響應Linearity Range50dB50dB動態范圍AC/DC Output√√AC/DC 信號輸出Auto Power Shut Off√√自動關機功能Low Battery Indication√√低電顯示功能Over Range Indication√√過載提示Digit & Resolution5Digits & 0.1dB5Digits & 0.1dB數位及分辨率Time Weighting SelectionFast/SlowFast/Slow動態特性選擇Microphone1/2 Inch Electret Condenser Microphone麥克風1/2 英寸電容式麥克風Frequency WeightingA & CA & C頻率加權特性Sound Measuring Level Selection√√測量檔位選擇Max Hold Function√√值鎖定Sampling Frequency2 times/sec2 times/sec取樣頻率 GENERAL CHARACTERISTICS一般特征Power9V (Alkaline or DC Adapter)6V (4*AA Alkaline or DC Adapter)供電9V堿性電池或者電源適配器4節1.5VAA堿性電池或6V電源適配器LCD size30*50mm30*50mmLCD尺寸Product ColorIvoryIvory產品顏色象牙白象牙白Product Net Weight178g300g(include battery)產品凈重Product Size207*70*29mm265*70*35mm產品尺寸 PACKING INFORMATION包裝包裝方式1(中國)彩盒包裝彩盒包裝標準外箱容量2020標準外箱尺寸55.0*45.0*26.5cm57.0*51.7*23.8cm標準外箱毛重13.96kg10.5kg包裝方式2(Other Countries)BlisterBlisterStandard Quantity Per Carton2020Standard Carton Size41.0*37.5*33.2cm41.0*37.5*33.2cmStandard Carton Gross Weight5.76kg6.2kg