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上海市所在地
使用AR814数字噪音计,*胜绪,选择胜绪,就是选择放心,上海胜绪电气有限公司从事电气科技领域内的技术开发、电力检测设备、仪器仪表、电力工业自动化系统的研发、生产与销售为一体的高科技企业
AR814数字噪音计技术参数:
AR814数字噪音计 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 | ||||||
| ||||||
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 | √ | √ | ||||
zui大值锁定 | ||||||
Sampling Frequency | 2 times/sec | 2 times/sec |
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