型号 | AR-814 | AR-824 |
Measuring Range测量范围 | 30~130dBA35~130dBC | 30~130dBA 35~130dBC |
Accuracy 测量xx度 | ±1.5dB | ±1.5dB |
Frequency Range频率响应 | 31.5HZ-8.5KHZ | 31.5HZ-8.5KHZ |
Linearity R动态范围 ange | 50dB | 50dB |
AC/DC OutputAC/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数位及分辨率 | 5Digits & 0.1dB | 5Digits & 0.1dB |
Time Weighting Selection动态特性选择 | Fast/Slow | Fast/Slow |
Microphone麦克风 | 1/2 Inch Electret Condenser Microphone 1/2 英寸电容式麦克风 | 1/2 Inch Electret Condenser Microphone 1/2 英寸电容式麦克风 |
Frequency Weighting频率加权特性 | A & C | A & C |
Sound Measuring Level Selection测量档位选择 | √ | √ |
Max Hold Function {zd0}值锁定 | √ | √ |
Sampling Frequency取样频率 | 2 times/sec | 2 times/sec |