| |
AR-814
|
AR-824
|
| Measuring Range |
30～130dBA
|
30～130dBA
|
| 測量範圍 |
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
|
| 動態範圍 |
| AC/DC Output |
√
|
√
|
| AC/DC 信號輸（shū）出（chū） |
| Auto Power Shut Off |
√
|
√
|
| 自動關機功能 |
| Low Battery Indication |
√
|
√
|
| 低電顯示功能 |
| Over Range Indication |
√
|
√
|
| 過（guò）載（zǎi）提示（shì） |
| Digit & Resolution |
5Digits & 0.1dB
|
5Digits & 0.1dB
|
| 數位及分辨率 |
| Time Weighting Selection |
Fast/Slow
|
Fast/Slow
|
| 動態特性（xìng）選擇 |
| Microphones |
1/2 Inch Electret Condenser Microphones |
| 麥克（kè）風 |
1/2 英寸電（diàn）容（róng）式麥克風 |
|
| Frequency Weighting |
A & C
|
A & C
|
| 頻率加權特性 |
| Sound Measuring Level Selection |
√
|
√
|
| 測（cè）量檔位選擇 |
| Max Hold Function |
√
|
√
|
| 大值鎖定 |
| Sampling Frequency |
2 times/sec
|
2 times/sec
|
| 取樣頻率 |
|
| |
| |
|
|
| GENERAL CHARACTERISTICS |
一般（bān）特征（zhēng） |
| Power |
9V (Alkaline or DC Adapter)
|
6V (4*AA Alkaline or DC Adapter)
|
| 供電 |
9V堿性電池或者電源適配器
|
4節1.5VAA堿性電池或6V電源適配器
|
| LCD size |
30*50mm
|
30*50mm
|
| LCD尺寸 |
| Product Color |
Ivory
|
Ivory
|
| 產品顏色 |
象牙白
|
象（xiàng）牙白
|
| Product Net Weight |
178g
|
300g(include battery)
|
| 產品淨重 |
| Product Size |
207*70*29mm
|
265*70*35mm
|
| 產品尺寸 |
|
| |
| PACKING INFORMATION |
包裝 |
| 包裝方式1(中國) |
彩盒包（bāo）裝
|
彩盒包裝
|
| 標準外箱容量 |
20
|
20
|
| 標準外箱尺寸 |
55.0*45.0*26.5cm
|
57.0*51.7*23.8cm
|
| 標準外箱毛（máo）重 |
13.96kg
|
10.5kg
|
| 包裝方（fāng）式2(Other Countries) |
Blister
|
Blister
|
| Standard Quantity Per Carton |
20
|
20
|
| Standard Carton Size |
41.0*37.5*33.2cm
|
41.0*37.5*33.2cm
|
| Standard Carton Gross Weight |
5.76kg
|
6.2kg
|
|
