數(shù)字噪音計(jì) AR814產(chǎn)品詳細(xì)說(shuō)明聲級(jí)計(jì)
| |
AR-814
|
AR-824
|
| Measuring Range |
30～130dBA
|
30～130dBA
|
| 測(cè)量范圍 |
35～130dBC
|
35～130dBC
|
| Accuracy |
±1.5dB
|
±1.5dB
|
| 測(cè)量**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(hào)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(guò)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 |
| Microphone |
1/2 Inch Electret Condenser Microphone |
| 麥克風(fēng) |
1/2 英寸電容式麥克風(fēng) |
|
| Frequency Weighting |
A & C
|
A & C
|
| 頻率加權(quán)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 |
一般特征 |
| 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(jié)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(chǎn)品顏色 |
象牙白
|
象牙白
|
| Product Net Weight |
178g
|
300g(include battery)
|
| 產(chǎn)品凈重 |
| Product Size |
207*70*29mm
|
265*70*35mm
|
| 產(chǎn)品尺寸 |
|
| |
| PACKING INFORMATION |
包裝 |
| 包裝方式1(中國(guó)) |
彩盒包裝
|
彩盒包裝
|
| 標(biāo)準(zhǔn)外箱容量 |
20
|
20
|
| 標(biāo)準(zhǔn)外箱尺寸 |
55.0*45.0*26.5cm
|
57.0*51.7*23.8cm
|
| 標(biāo)準(zhǔn)外箱毛重 |
13.96kg
|
10.5kg
|
| 包裝方式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
|
|
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