產(chǎn)品簡(jiǎn)介
AR824數(shù)字噪音計(jì):香港希瑪SMART數(shù)字聲級(jí)計(jì)AR824,測(cè)量范圍:30~130dBA,35~130dBC 。
產(chǎn)品詳細(xì)信息
AR824數(shù)字噪音計(jì)|香港?,擲MART數(shù)字聲級(jí)計(jì):| SMARTSENSOR數(shù)字噪音計(jì)AR824 |
| GENERAL FEATURES & SPECIFICATIONS | 一般功能和規(guī)格 | | | | | 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 | | 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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