| 產(chǎn)地類(lèi)別 |
國(guó)產(chǎn) |
價(jià)格區(qū)間 |
面議 |
數(shù)字噪音計(jì)AR814 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)量精確度
AR-814數(shù)字噪音計(jì)
Frequency Range 31.5HZ-8.5KHZ 31.5HZ-8.5KHZ
AR-814數(shù)字噪音計(jì)
| | 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)量精確度 | | 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 | | 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 | √ | √ | | 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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AR-814數(shù)字噪音計(jì)
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數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)數(shù)字噪音計(jì)
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