... meter equivalent sequent Leq, sound exposure level LAE, sound dose DL and instantaneous sound level LP on the basis of 10s ... capacitance microphone(HS14423)2. Measuring Range: 35dB~130dB(A,C) ; DL: 0~999.9%3. Frequency Range: 20Hz~12.5kHz4. Frequency ... Weighting: F(Fast), S(Slow)6.Auto- Measuring: Leq,LAE,DL,Lmax,Ldn,Ld,Ln.7.Measuring Time Set: Man,10s ...