AR-814
|
AR-824
|
|||||
| Measuring Range | 30～130dBA
|
30～130dBA
|
||||
| 測量范圍 | 35～130dBC
|
35～130dBC
|
||||
| Accuracy | ±1.5dB
|
±1.5dB
|
||||
| 測量精確度 | ||||||
| Frequency Range | 31.5HZ-8.5KHZ
|
31.5HZ-8.5KHZ
|
||||
| 頻率響應 | ||||||
| Linearity Range | 50dB
|
50dB
|
||||
| 動態(tài)范圍 | ||||||
| AC/DC Output | √
|
√
|
||||
| AC/DC 信號輸出 | ||||||
| Auto Power Shut Off | √
|
√
|
||||
| 自動關機功能 | ||||||
| Low Battery Indication | √
|
√
|
||||
| 低電顯示功能 | ||||||
| Over Range Indication | √
|
√
|
||||
| 過載提示 | ||||||
| Digit & Resolution | 5Digits & 0.1dB
|
5Digits & 0.1dB
|
||||
| 數位及分辨率 | ||||||
| Time Weighting Selection | Fast/Slow
|
Fast/Slow
|
||||
| 動態(tài)特性選擇 | ||||||
|
||||||
| Frequency Weighting | A & C
|
A & C
|
||||
| 頻率加權特性 | ||||||
| Sound Measuring Level Selection | √
|
√
|
||||
| 測量檔位選擇 | ||||||
| Max Hold Function | √
|
√
|
||||
| 最大值鎖定 | ||||||
| Sampling Frequency | 2 times/sec
|
2 times/sec
|
||||
