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AR814︴噪音計︴分貝計︴聲級計︴︴AR-814
AR814︴噪音計︴分貝計︴聲級計︴︴AR-814應(yīng)用于學(xué)校，工廠，環(huán)保局，實(shí)驗(yàn)室，研究所等等。
AR814︴噪音計︴分貝計︴聲級計︴︴AR-814技術(shù)參數(shù)：
|
GENERAL FEATURES & SPECIFICATIONS |
一般功能和規(guī)格 |
|
|
AR-814 |
AR-824 |
| Measuring Range |
30～130dBA |
30～130dBA |
| 測量范圍 |
35～130dBC |
35～130dBC |
| Accuracy |
±1.5dB |
±1.5dB |
| 測量度 |
| Frequency Range |
31.5HZ-8.5KHZ |
31.5HZ-8.5KHZ |
| 頻率響應(yīng) |
| 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(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 |
√ |
√ |
| 測量檔位選擇 |
| Max Hold Function |
√ |
√ |
| 值鎖定 |
| Sampling Frequency |
2 times/sec |
2 times/sec |
| 取樣頻率 | |
| |
備注說明
| 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) |
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 | | | 
