| 
| GENERAL FEATURES & SPECIFICATIONS | 一般功能和規(guī)格 |  
|  |  
|  | AR-814 | AR-824 |  
| Measuring Range | 30~130dBA | 30~130dBA |  
| 測量范圍 | 35~130dBC | 35~130dBC |  
| Accuracy | ±1.5dB | ±1.5dB |  
| 測量精確度 |  
| 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(guān)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(quán)特性 |  
| Sound Measuring Level Selection | √ | √ |  
| 測量檔位選擇 |  
| Max Hold Function | √ | √ |  
| 最大值鎖定 |  
| Sampling Frequency | 2 times/sec | 2 times/sec |  
| 取樣頻率 |  | 
|  | 
| 
|  |  |  |  
| 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 |  | 
|  | 
| 
| 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 |  |