GENERAL FEATURES &
SPECIFICATIONS |
一般功能和规格 |
|
|
AR-814
|
AR-824
|
Measuring Range |
30~130dBA
|
30~130dBA
|
测量范围 |
35~130dBC
|
35~130dBC
|
Accuracy |
±1.5dB
|
±1.5dB
|
测量精确度 |
Frequency Range |
31.5HZ-8.5KHZ
|
31.5HZ-8.5KHZ
|
频率响应 |
Linearity Range |
50dB
|
50dB
|
动态范围 |
AC/DC Output |
√
|
√
|
AC/DC 信号输出 |
Auto Power Shut Off |
√
|
√
|
自动关机功能 |
Low Battery Indication |
√
|
√
|
低电显示功能 |
Over Range Indication |
√
|
√
|
过载提示 |
Digit & Resolution |
5Digits & 0.1dB
|
5Digits & 0.1dB
|
数位及分辨率 |
Time Weighting Selection |
Fast/Slow
|
Fast/Slow
|
动态特性选择 |
Microphone |
1/2 Inch Electret Condenser Microphone |
麦克风 |
1/2 英寸电容式麦克风 |
|
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