5-2 824 Reference Manual 9/12/00
This chapter will discuss how to select an ID in addition to
providing an explanation of the features of the currently
available IDs.
Instrument 824S 824L 824A 824
ISM -
Integrating SLM measures LEQ, SEL, Min, Max,
Peak, with all weights (A, C, Flat) and with all detectors
(slow, fast, and impulse) simultaneously. Includes a high
and low measuring range.
√ √ √ √
SSA -
Sound spectrum analyzer measures LEQ, SEL,
Min, Max, Peak, with all weights (A, C, Flat) and with all
detectors (slow, fast, impulse, peak and Leq) simulta-
neously plus 1/1 and 1/3 octave data stored in time and
interval histories at storage rates as fast as 8 times per
second. Included are Ln data showing 6 Ln values, a
graph of L1 through L99 (broadband) and spectral Lns.
√√
LOG -
Logging SLM measures LEQ, SEL, TWA, MIn,
Max, Peak, with all weights (A, C, Flat) and with all
detectors (slow, fast, and impulse) simultaneously.
Includes time history, interval history, exceedance his-
tory, daily history, Ln percentiles, statistical data, expo-
sure, and dual SLM (current and overall).
√ √
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