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SoundExpert 821 Summary: 2024-10-29 09:50:38 <br />User: <br />Location: <br />Job Description: <br />Notes: <br />Meter General Information <br />Model Serial <br />Meter SoundExpert 821 40400 <br />Preamplifier PRM821 <br />Microphone 377B02 <br />Unique File Id 00C:00009DD0:671A6CC7:00000512 <br />Overall Measurement <br />Start Date & Time 2024-10-24 15:50:31 <br />Stop Date & Time 2024-10-25 16:35:32 <br />Run Time 24:45:01.00 <br />Pre-Calibration <br /> Date/Time 2024-10-24 15:48:44 <br /> Calibrator Level 114.00 dB <br /> Meter Sensitivity -25.65 dB re 1V/Pa <br />Post-Calibration <br /> Date/Time --- <br /> Calibrator Level --- <br /> Meter Sensitivity --- <br /> Sensitivity Delta --- <br />A C Z <br />Lweq 65.5 72.0 75.8 <br />Lwpk 121.5 dB 138.7 dB 142.7 dB <br />2024-10-24 15:50:49 2024-10-24 15:50:49 2024-10-24 15:50:49 <br />LwSmin 37.1 dB 52.1 dB 57.1 dB <br />2024-10-25 13:09:26 2024-10-24 17:16:29 2024-10-25 01:38:50 <br />LwFmin 36.6 dB 50.0 dB 54.6 dB <br />2024-10-25 13:09:25 2024-10-24 17:16:28 2024-10-24 17:16:28 <br />LwImin 37.8 dB 54.6 dB 60.0 dB <br />2024-10-25 13:09:26 2024-10-24 17:16:29 2024-10-25 01:26:07 <br />LwSmax 93.3 dB 114.9 dB 121.5 dB <br />2024-10-24 15:50:49 2024-10-24 15:50:49 2024-10-24 15:50:49 <br />LwFmax 101.6 dB 123.4 dB 128.8 dB <br />2024-10-24 15:50:49 2024-10-24 15:50:49 2024-10-24 15:50:49 <br />LwImax 106.1 dB 127.4 dB 132.9 dB <br />2024-10-24 15:50:49 2024-10-24 15:50:49 2024-10-24 15:50:49 <br />w = frequency weighting (A, C or Z) <br />Community Noise LDN LDay (07:00-22:00)LNight (22:00-07:00) <br />66.7 dB 67.3 dB 55.4 dB <br />LDEN LDay (07:00-19:00)LEve (19:00-22:00)LNight (22:00-07:00) <br />67.0 dB 68.0 dB 61.3 dB 55.4 dB <br />LCeq - LAeq 6.4 dB <br />LAIeq 69.0 dB <br />Overload Count 0 <br />Overload Duration 00:00:00 <br />A C Z <br />Under Range Peak 50.0 dB 50.0 dB 62.0 dB <br />Under Range Limit 24.0 dB 27.0 dB 37.0 dB <br />Noise Floor 17.0 dB 18.0 dB 25.0 dB <br />Ln Percentiles <br />LAS 5.0 69.8 dB <br />LAS 10.0 66.0 dB <br />LAS 33.3 59.4 dB <br />LAS 50.0 56.7 dB <br />LAS 66.6 54.7 dB <br />LAS 90.0 50.9 dB <br />Exceedances <br />Count Duration <br />LAS > 85 dB 9 212 <br />LAS > 95 dB 0 0 <br />LCpk > 135 dB 1 1 <br />LCpk > 137 dB 1 1 <br />LCpk > 140 dB 0 0 <br />•LARSON DAVIS <br />A PCB DIVISION