數(shù)位顯示Digital display: 5 digits LCD.
測(cè)量范圍Measuring level: 30~130 dBA, 30~130 dBC.
分辨率Resolution：0.1dB.
**度Accuracy:±1.5 dB (under reference conditions) .
頻率響應(yīng)Frequency range: 31.5 Hz~ 8.5K Hz .
動(dòng)態(tài)范圍Linearity range: 50 dB .
頻率加權(quán)特性Frequency weighting: A, C .
模似條圖Bar graph: 50 dB scale at 1 dB step for monitoring
current sound pressure level display .
測(cè)量量程Level ranges：30-80 dB；50-100 dB；
60-110 dB；80-130 dB.
動(dòng)態(tài)特征Time weighting: Fast / Slow .
麥克風(fēng)Microphone: 1/2 inch Electret Condenser microphone .
*大值鎖定Max: Maximum hold .
電源Power supply: 1*9V alkaline cells or DC 9V adapter < Power life: About 30 hrs >.
開(kāi)機(jī)自檢時(shí)間Self calibration time: 10 sec (every turn on) .
機(jī)身尺寸Dimensions: 220×67×32mm .
重量Weight:約approx. 210g(含電池including battery).