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(yīng) | ||||||
Linearity Range |
50dB |
50dB | ||||
動(dòng)態(tài)范圍 | ||||||
AC/DC Output |
√ |
√ | ||||
AC/DC 信號輸出 | ||||||
Auto Power Shut Off |
√ |
√ | ||||
自動(dòng)關(guān)機(jī)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(shù)位及分辨率 | ||||||
Time Weighting Selection |
Fast/Slow |
Fast/Slow | ||||
動(dòng)態(tài)特性選擇 | ||||||
| ||||||
Frequency Weighting |
A & C |
A & C | ||||
頻率加權(quán)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 |