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数位显示Digital display: 5 digits LCD.
测量范围Measuring level: 30~130 dBA, 30~130 dBC.
分辨率Resolution：0.1dB.
精确度Accuracy:±1.5 dB (under reference conditions) .
频率响应Frequency range: 31.5 Hz~ 8.5K Hz .
动态范围Linearity range: 50 dB .
频率加权特性Frequency weighting: A, C .
模似条图Bar graph: 50 dB scale at 1 dB step for monitoring
current sound pressure level display .
测量量程Level ranges：30-80 dB；50-100 dB；
60-110 dB；80-130 dB.
动态特征Time weighting: Fast / Slow .
麦克风Microphone: 1/2 inch Electret Condenser microphone .
最大值锁定Max: Maximum hold .
电源Power supply: 1*9V alkaline cells or DC 9V adapter < Power life:
开机自检时间Self calibration time: 10 sec (every turn on) .
机身尺寸Dimensions: 220×67×32mm .
重量Weight:约approx. 210g(含电池including battery).