香港希碼AR814數(shù)字噪音噪聲計產(chǎn)品詳細(xì)說明
| 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(yīng) | 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(fēng) | 1/2 英寸電容式麥克風(fēng) |
香港希碼AR814數(shù)字噪音噪聲計 | 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 | √ | √ | zui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(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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