數(shù)字噪音計(jì) AR814產(chǎn)品詳細(xì)說(shuō)明聲級(jí)計(jì)
    
        
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                        |  | AR-814 | AR-824 |  
                        | Measuring Range | 30~130dBA | 30~130dBA |  
                        | 測(cè)量范圍 | 35~130dBC | 35~130dBC |  
                        | Accuracy | ±1.5dB | ±1.5dB |  
                        | 測(cè)量**度 |  
                        | Frequency Range | 31.5HZ-8.5KHZ | 31.5HZ-8.5KHZ |  
                        | 頻率響應(yīng) |  
                        | Linearity Range | 50dB | 50dB |  
                        | 動(dòng)態(tài)范圍 |  
                        | AC/DC Output | √ | √ |  
                        | AC/DC 信號(hào)輸出 |  
                        | Auto Power Shut Off | √ | √ |  
                        | 自動(dòng)關(guān)機(jī)功能 |  
                        | Low Battery Indication | √ | √ |  
                        | 低電顯示功能 |  
                        | Over Range Indication | √ | √ |  
                        | 過(guò)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(dòng)態(tài)特性選擇 |  
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                                    | Microphone | 1/2 Inch Electret Condenser Microphone |  
                                    | 麥克風(fēng) | 1/2 英寸電容式麥克風(fēng) |    |  
                        | Frequency Weighting | A & C | A & C |  
                        | 頻率加權(quán)特性 |  
                        | Sound Measuring Level Selection | √ | √ |  
                        | 測(cè)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(guó)) | 彩盒包裝 | 彩盒包裝 |  
                        | 標(biāo)準(zhǔn)外箱容量 | 20 | 20 |  
                        | 標(biāo)準(zhǔn)外箱尺寸 | 55.0*45.0*26.5cm | 57.0*51.7*23.8cm |  
                        | 標(biāo)準(zhǔn)外箱毛重 | 13.96kg | 10.5kg |  
                        | 包裝方式2(Other Countries) | Blister | 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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