Measuring Range 30～130dBA 30～130dBA
测量范围 35～130dBC 35～130dBC
Accuracy ±1.5dB ±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
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 √ √
zui大值锁定
Sampling Frequency 2 times/sec 2 times/sec