iec 61672-1 class 2

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「iec 61672-1 class 2」文章包含有：「CENTER32_SoundLevelMeter(IEC61672」、「CENTER」、「IEC61672」、「IEC61672」、「SL-4001噪音計-詳細資料」、「WhatisClass1SoundLevelMeter」、「WhatisthedifferencebetweenClass1andClass2sound...」、「噪音計」、「環境噪音測量方法」、「計量學習服務網」

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CENTER 32_ Sound Level Meter (IEC 61672

https://www.centertek.com

Features: 60dB Dynamic Space In Each Range, Time Weighting Fast/Slow, Frequency Weighting A/C, Max/Min Function, Complies With IEC 61672-1 Class 2 Standard.

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CENTER

https://www.v-hope.com.tw

... (IEC 61672-1 class 2). 四位數液晶螢幕顯示，量測分貝讀值，數位、類比數值同時 ... 本噪音計符合國際電工協會標準IEC 61672 Class II標準規範; 主要應用於噪音工程 ...

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IEC 61672

https://webstore.iec.ch

Two performance categories, class 1 and class 2, are specified in this standard. Acceptance limits for class 2 are greater than, or equal to, those for class 1.

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IEC 61672

https://cirrusresearch.com

IEC 61672-1:2013 Class 2 · Optimus+ Environmental Sound Level Meter · Quantum Indoor Noise Monitor · Optimus Red · Safety Officer's Octave Band Noise Measurement ...

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SL-4001 噪音計- 詳細資料

https://www.yalab.com.tw

1.符合國際規範IEC 651 Class2 · 2.符合國際規範IEC 61672 Class 2 · 3.反應時間：快速：0.2秒、慢速1.5秒 · 4.有A/C兩種加權模式 · 5.感測範圍 31.5-8000Hz · 6.SIZE: ...

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What is Class 1 Sound Level Meter

https://scarlet-tech.com

A Class 1 Sound Level Meter is a noise measurement device that meets the international standards of IEC 61672-1:2002 (or an equivalent such as BS EN 61672-1: ...

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What is the difference between Class 1 and Class 2 sound ...

https://www.instrumentchoice.c

The Class of a sound level meter describes the accuracy as defined by the relevant international standards. In brief, Class 1 is more accurate than Class 2.

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