AR-814
|
AR-824
|
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| Measuring Range | 30～130dBA
|
30～130dBA
|
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| 测量范围 | 35～130dBC
|
35～130dBC
|
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| Accuracy | ±1.5dB
|
±1.5dB
|
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| 测量精确度 | ||||||
| Frequency Range | 31.5HZ-8.5KHZ
|
31.5HZ-8.5KHZ
|
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| 频率响应 | ||||||
| Linearity Range | 50dB
|
50dB
|
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| 动态范围 | ||||||
| AC/DC Output | √
|
√
|
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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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| 低电显示功能 | ||||||
| Over Range Indication | √
|
√
|
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| 过载提示 | ||||||
| Digit & Resolution | 5Digits & 0.1dB
|
5Digits & 0.1dB
|
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| 数位及分辨率 | ||||||
| Time Weighting Selection | Fast/Slow
|
Fast/Slow
|
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| 动态特性选择 | ||||||
|
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| Frequency Weighting | A & C
|
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 | √
|
√
|
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| 最大值锁定 | ||||||
| Sampling Frequency | 2 times/sec
|
2 times/sec
|
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