... Parameters of Airport Noise MeasLEPN,Td,Lmax19Display Resolution0.1 dB20Real-time Analysis SpeedApprox. 47 times/s (It can simultaneously complete all ... LAE, LAFeqT.24 hours monitors menu :And Ld, Ln, Ldn22Real-time spectrum analysisFulfils standards: IEC 61260 Class 1Filter type: Digital band ... , EDT4. Measuring Range: 0.20s to 20.00 s5. Wave record time: 10 s or 20 s6. Bandwidth of digital filters:1 ...