Model 831 Manual Metrics Logged 11-3
measured and saved with millisecond resolution. This is
described in more detail in the section "Select Time History
Metrics" on page 11-6.
1/1 and 1/3 Octave Spectra
The optional firmware 831-OB3 is
required for these metrics to be
measured.
When 1/1 and/or 1/3 octave analysis has been enabled in the
setup, Instantaneous Level, Leq, Lmax and Lmin for 1/1
and 1/3 octave frequency bands will also be measured.
The time history Lmax will be a Bin Max when the time
history period is less than 1 minute regardless of the Max
Spectrum setting being set for At Max.
Non-Acoustical Metrics
From Model 831
Battery Level
External Power
Internal Temperature
From 426A12 Outdoor Microphone Preamplifier System
426A12 Outdoor Microphone System
required.
Internal Temperature
Internal Humidity
From PRM2103 Outdoor Microphone Preamplifier System
PRM2103 Outdoor Microphone
Preamplifier System required.
Internal Temperature
Internal Humidity
From External Transducers via the 831-INT Interface Unit
Wind Speed
Wind Gust Speed
Wind Direction
Temperature: Average, Max and Min Levels
Humidity: Average, Max and Min Levels
From SEN031 Weather Station
Wind Speed
To Next Page
Loading...
