产品详情
简单介绍:
声级计AR824
详情介绍:
数字噪音器AR824产品详细说明声级计
AR-814
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AR-824
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Measuring Range |
30~130dBA
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30~130dBA
|
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测量范围 |
35~130dBC
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35~130dBC
|
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Accuracy |
±1.5dB
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±1.5dB
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测量**度 | ||||||
Frequency Range |
31.5HZ-8.5KHZ
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31.5HZ-8.5KHZ
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频率响应 | ||||||
Linearity Range |
50dB
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50dB
|
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动态范围 | ||||||
AC/DC Output |
√
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√
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AC/DC 信号输出 | ||||||
Auto Power Shut Off |
√
|
√
|
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自动关机功能 | ||||||
Low Battery Indication |
√
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√
|
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低电显示功能 | ||||||
Over Range Indication |
√
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√
|
||||
过载提示 | ||||||
Digit & Resolution |
5Digits & 0.1dB
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5Digits & 0.1dB
|
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数位及分辨率 | ||||||
Time Weighting Selection |
Fast/Slow
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Fast/Slow
|
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动态特性选择 | ||||||
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Frequency Weighting |
A & C
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A & C
|
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频率加权特性 | ||||||
Sound Measuring Level Selection |
√
|
√
|
||||
测量档位选择 | ||||||
Max Hold Function |
√
|
√
|
||||
*大值锁定 | ||||||
Sampling Frequency |
2 times/sec
|
2 times/sec
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声级计AR824声级计AR824声级计AR824