品牌: | 香港希玛 | 型号: | AR824 |
类型: | 数字式风速仪 | 测量范围: | 130 |
测量精度: | 2 | 工作温度: | 40(℃) |
分辨率: | 1 | 尺寸: | 200*30*10(mm) |
重量: | 0.5(kg) | | |
数字噪音器AR824产品详细说明AR-814AR-824Measuring Range30~130dBA30~130dBA测量范围35~130dBC35~130dBCAccuracy±1.5dB±1.5dB测量**度Frequency Range31.5HZ-8.5KHZ31.5HZ-8.5KHZ频率响应Linearity Range50dB50dB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 & Resolution5Digits & 0.1dB5Digits & 0.1dB数位及分辨率Time Weighting SelectionFast/SlowFast/Slow动态特性选择Microphone1/2 Inch Electret Condenser Microphone麦克风1/2 英寸电容式麦克风Frequency WeightingA & CA & C频率加权特性Sound Measuring Level Selection√√测量档位选择Max Hold Function√√更大值锁定Sampling Frequency2 times/sec2 times/sec