Measurement functionSound level Lp,maximum sound level Lmax,equivalent continuous sound level Leq,sound exposure level LE
Measurement time: 10minutes, 1hour (stop at any time possible)Measurement level range : A-weighting: 30 -137dB, C-weighting: 3 6-137dBInherent noise: A-weighting: max. 24dB, C-weighting: max. 30dBReference sound pressure level: 94dBReference frequency: 1,000HzReference range: 130dB (no range selection necessary)Frequency range: 20 - 8,000HzFrequency weighting characteristics: A and CTime weighting characteristics: rms detection performed with digital processing
Precessing: Sampling cycle 20.8? ( Lmax, Leq, LE)Acoustic Calibration: Using sound level calibrator NC-74Microphone:1/2inch electret condenser microphone
General-Purpose Sound Level Meter NL-26
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