品牌:香港希玛 型号:AR824 类型:数字式噪音计 测量范围:35~130dBC 测量精度:&plu*n;1.5dB 工作温度:40(℃) 分辨率:高 尺寸:180(mm) 重量:0.125(kg)
AR824噪音计
| AR-814 | AR-824 | Measuring Range | 30~130dBA | 30~130dBA | 测量范围 | 35~130dBC | 35~130dBC | Accuracy | &plu*n;1.5dB | &plu*n;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 | Di* &Resolution | 5Di*s &0.1dB | 5Di*s &0.1dB | 数位及分辨率 | Time Weighting Selection | Fast/Slow | Fast/Slow | 动态特性选择 | Microphone | 1/2Inch 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 | 2times/sec | 2times/sec |
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