希玛smartsensor AR824 数字噪音计
名称:光学测试仪器
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简介:希玛smartsensor AR824 数字噪音器测量范围35~130dBC,测量精确度1.5dB。 数字噪音器AR824产品说明 AR-814 AR-824 Measuring Range 30~130dBA 30~130dBA 测量范围...
数字噪音器AR824产品说明 | ||
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 | √ | √ |
最大值锁定 | ||
Sampling Frequency | 2 times/sec | 2 times/sec |