現(xiàn)貨供應(yīng)便攜手持噪音測(cè)量?jī)x品牌分貝計(jì)�,擜R-824噪音計(jì)分貝儀
Smart/�,擜R-824噪音計(jì)參數(shù)詳情:
型號(hào)
|
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
|
1/2Inch 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
|
√
|
√
|
值鎖定
|
Sampling Frequency
|
2times/sec
|
2times/sec
|
|
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