Event Logging Software (Option 831C-Ela); Event Logging Software (Option 831C-Ela - Larson Davis SoundAdvisor 831C Reference Manual

A.5 Event Logging Software (Option 831C-ELA)
Measurement History Selectable Properties:
Event History Selectable Properties:
SoundAdvisor Model 831C
Time Period: Selectable from 1 minute to 99 hours 59 minutes
Synchronization: Selectable to sync to time-of-day clock, for periods of 1, 2, 5, 10,
15, 20, 30 minutes, and 1, 24 hours
Measurements: Same measurements as Overall measurement
Detection Methods: Level or Dynamic
Level Triggering: Events are initiated and stored when the measured sound level
exceeds the trigger levels SPL1 and Peak 1 for the specified minimum duration
and ends when not triggered for the continuation time
Dynamic Triggering: Trigger level is offset above a background tracking level
Trigger Levels: Selectable from 0 to 200 dB for the SPL (L
Dynamic Trigger Offset: Selectable from 3 to 99.9 dB for SPL (L
background tracking level
Dynamic Trigger Response: Selectable from five combinations of background
tracking rate and tracking percentile.
Minimum Duration: Selectable from 0 to 9.9 s
Continuation Period: Selectable from 0 to 9 s
Event Time History: Selectable On or Off
• Period: Selectable for periods 20 ms, 50 ms, 100 ms, 200 ms, 500 ms, 1 s, 2 s,
and 5 s
• Pre-event Samples: Selectable from 0 to 99
• Post-event Samples: Selectable from 0 to 100
• Maximum Samples: Selectable up to 9999
• Spectral Mode: Selectable On or Off, enables
• Spectral Event Time History (requires 831C-OB3)
Event Measurements:
• Date and Time of initial occurrence
• yyyy-mmm-dd hh:mm:ss
• Date and Time of maximum occurrence
• yyyy-mmm-dd hh:mm:ss
• Duration of event
• hh:mm:ss.s
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A-31