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AR814︴噪音计︴分贝计︴声级计︴︴AR-814
AR814︴噪音计︴分贝计︴声级计︴︴AR-814应用于学校，工厂，环保局，实验室，研究所等等。
AR814︴噪音计︴分贝计︴声级计︴︴AR-814技术参数：
|
GENERAL FEATURES & SPECIFICATIONS |
一般功能和规格 |
|
|
AR-814 |
AR-824 |
| Measuring Range |
30～130dBA |
30～130dBA |
| 测量范围 |
35～130dBC |
35～130dBC |
| Accuracy |
±1.5dB |
±1.5dB |
| 测量度 |
| Frequency Range |
31.5HZ-8.5KHZ |
31.5HZ-8.5KHZ |
| 频率响应 |
| Linearity Range |
50dB |
50dB |
| 动态范围 |
| AC/DC Output |
√ |
√ |
| AC/DC 信号输出 |
| Auto Power Shut Off |
√ |
√ |
| 自动关机功能 |
| Low Battery Indication |
√ |
√ |
| 低电显示功能 |
| Over Range Indication |
√ |
√ |
| 过载提示 |
| Digit & Resolution |
5Digits & 0.1dB |
5Digits & 0.1dB |
| 数位及分辨率 |
| Time Weighting Selection |
Fast/Slow |
Fast/Slow |
| 动态特性选择 |
| Microphone |
1/2 Inch Electret Condenser Microphone |
| 麦克风 |
1/2 英寸电容式麦克风 |
|
| Frequency Weighting |
A & C |
A & C |
| 频率加权特性 |
| Sound Measuring Level Selection |
√ |
√ |
| 测量档位选择 |
| Max Hold Function |
√ |
√ |
| 值锁定 |
| Sampling Frequency |
2 times/sec |
2 times/sec |
| 取样频率 | |
| |
备注说明
| GENERAL CHARACTERISTICS |
一般特征 |
| Power |
9V (Alkaline or DC Adapter) |
6V (4*AA Alkaline or DC Adapter) |
| 供电 |
9V碱性电池或者电源适配器 |
4节1.5VAA碱性电池或6V电源适配器 |
| LCD size |
30*50mm |
30*50mm |
| LCD尺寸 |
| Product Color |
Ivory |
Ivory |
| 产品颜色 |
象牙白 |
象牙白 |
| Product Net Weight |
178g |
300g(include battery) |
| 产品净重 |
| Product Size |
207*70*29mm |
265*70*35mm |
| 产品尺寸 | |
| |
| PACKING INFORMATION |
包装 |
| 包装方式1(中国) |
彩盒包装 |
彩盒包装 |
| 标准外箱容量 |
20 |
20 |
| 标准外箱尺寸 |
55.0*45.0*26.5cm |
57.0*51.7*23.8cm |
| 标准外箱毛重 |
13.96kg |
10.5kg |
| 包装方式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 | | | 
