产品型号: AR824
所在目录:
所在专场:
简单介绍
AR824|数字噪音计|噪音仪／分贝仪/声级计/音量计/AR824|数字噪音计|噪音仪／分贝仪/声级计/音量计
| AR824|数字噪音计|噪音仪／分贝仪/声级计/音量计的详细介绍 |
| 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 | | 测量精确度 | | 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 | √ | √ | | *大值锁定 | | Sampling Frequency | 2 times/sec | 2 times/sec | | 取样频率 |
| | | | | | | | 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 | 白 | 白 | | Product Net Weight | 178g | 300g(include battery) | | 产品净重 | | Product Size | 207＊70＊29mm | 265＊70＊35mm |
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