TM824数字式噪音计TM824数字式噪音计，30～130dB，A/C切换，模拟棒条动态显示，高精度4分频段测量，30*50mm大屏幕LCD显示，主要适用于工地、楼宇、建筑、汽车检测、医院等地的环境噪音检测。
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| 型号规格 | TM824 | | SPECIFICATIONS | | 测量范围 | 30～130dBA | | Frequency Range | 35～130dBC | | 测量精确度 | ±1.5dB | | Accuracy | | 频率响应 | 31.5HZ～8.5KHZ | | Frequency Range | | 动态范围 | 50dB | | Linearity Range | | AC/DC信号输出 | √ | | AC/DC Output | | 数位及分辨率 | 5 Digit & 0.1dB | | Digit & Resolution | | 动态特性选择 | Fast/Slow | | Time Weighting Selection | | 麦克风 | 1/2英寸电容式麦克风 | | Microphone | 1/2 Inch Electret Condense Microphone | | 频率加权特性 | A & C | | Frequency Weighting | | 测量档位选择 | √ | | Sound Measuring Level Selection | | 取样频率 | 2 times/sec | | Sampling Frequency | | USB输出端口 | —— | | USB transmission | | |
