Larson Davis Spartan 821 - Page 67

Spartan 821/721 Manual Instrument Performance Specifications A-20
Overall Ln Percentile Levels
Percentages “n1” through “n6” selectable, 0.1 to 99.9%. Statistics are sampled every 10 ms
from the selected frequency and time-weighted detector.
Overall Overload Metrics
Overall Exceedances
C minus A
Mathematical subtraction of C- and A-weighted equivalent levels
Measurement Controls
These settings can be found on the meter at ToolsSettingsMeasurement.
Label Units
1
L
ωn1
dB
2
L
ωn2
dB
3
L
ωn3
dB
4
L
ωn4
dB
5
L
ωn5
dB
6
L
ωn6
dB
Occurrences Count from zero to 99999
Percent of Runtime nnn.n%
Duration h:mm:ss
UI Label Count Duration
SPL1 Lω > L1 Count from zero to 99999 h:mm:ss
SPL2 Lω > L2 Count from zero to 99999 h:mm:ss
Peak 1 Lω > P1 Count from zero to 99999 h:mm:ss
Peak 2 Lω > P2 Count from zero to 99999 h:mm:ss
Peak 3 Lω > P3 Count from zero to 99999 h:mm:ss
Linear Units
L
Ceq
- L
Aeq
dB
Manual
Manually control measurements utilizing the meter display interface (Run,
Pause, Resume, Stop, Store)