AR814數(shù)字噪音計技術參數(shù)：
| | AR-814 | AR-824 | | Measuring Range | 30～130dBA | 30～130dBA | | 測量范圍 | 35～130dBC | 35～130dBC | | Accuracy | ±1.5dB | ±1.5dB | | 測量*度 | | Frequency Range | 31.5HZ-8.5KHZ | 31.5HZ-8.5KHZ | | 頻率響應 | | Linearity Range | 50dB | 50dB | | 動態(tài)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 & Resolution | 5Digits & 0.1dB | 5Digits & 0.1dB | | 數(shù)位及分辨率 | | Time Weighting Selection | Fast/Slow | Fast/Slow | | 動態(tài)特性選擇 | | Microphone | 1/2 Inch Electret Condenser Microphone | | 麥克風 | 1/2 英寸電容式麥克風 |
| | Frequency Weighting | A & C | A & C | | 頻率加權特性 | | Sound Measuring Level Selection | √ | √ | | 測量檔位選擇 | | Max Hold Function | √ | √ | | *大值鎖定 | | Sampling Frequency | 2 times/sec | 2 times/sec | | 取樣頻率 |
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| | | | | GENERAL CHARACTERISTICS | 一般特征 | | Power | 9V (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(jié)1.5VAA堿性電池或6V電源適配器 | | LCD size | 30*50mm | 30*50mm | | LCD尺寸 | | Product Color | Ivory | Ivory | | 產(chǎn)品顏色 | 象牙白 | 象牙白 | | Product Net Weight | 178g | 300g(include battery) | | 產(chǎn)品凈重 | | Product Size | 207*70*29mm | 265*70*35mm | | 產(chǎn)品尺寸 |
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| 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 | 20 | 20 | | 標準外箱尺寸 | 55.0*45.0*26.5cm | 57.0*51.7*23.8cm | | 標準外箱毛重 | 13.96kg | 10.5kg | | 包裝方式2(Other Countries) | Blister | Blister | | Standard Quantity Per Carton | 20 | 20 | | Standard Carton Size | 41.0*37.5*33.2cm | 41.0*37.5*33.2cm | | Standard Carton Gross Weight | 5.76kg | 6.2kg |
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