數(shù)字噪音器AR824的詳細信息

/*110922_中文版_新中間頁_中間_300*250*/ var cpro_id = 'u620430'; 數(shù)字噪音器AR824產(chǎn)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(yīng)Linearity Range50dB50dB動態(tài)范圍AC/DC Output√√AC/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 & Resolution5Digits & 0.1dB5Digits & 0.1dB數(shù)位及分辨率Time Weighting SelectionFast/SlowFast/Slow動態(tài)特性選擇Microphone1/2 Inch Electret Condenser Microphone麥克風(fēng)1/2 英寸電容式麥克風(fēng)Frequency WeightingA & CA & C頻率加權(quán)特性Sound Measuring Level Selection√√測量檔位選擇Max Hold Function√√值鎖定Sampling Frequency2 times/sec2 times/sec