BRUEL & KJAER 2239 A - Possible Weightings

Chapter 7 – Quick Reference
Displayed Parameters
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Brüel & KjærIntegrating Sound Level Meter Type 2239 A
User Manual
MaxP Maximum Peak since last reset
Peak Maximum peak in the last one second interval
MaxL Maximum SPL since last reset
MinL Minimum SPL since last reset
SPL Maximum sound level in the last one second interval.
Inst A randomly sampled instantaneous sound level from
within the last one second.
7.3.2 Possible Weightings
● AF (“A” frequency weighted and Fast time weighted)
● AS (“A” frequency weighted and Slow time weighted)
● AI (“A” frequency weighted and Impulse time weighted)
● CF (“C” frequency weighted and Fast time weighted)
● CS (“C” frequency weighted and Slow time weighted)
● CI (“C” frequency weighted and Impulse time weighted)
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