Sound Pressure Level Diagram. Sound pressure level spl1 52 52 52 55 55 55 sound power level swl 60 60 60 63 63 63 r410a mon obloc sound power level swl 63 65 67 68 68 68 the r32 monobloc reduces noise level compared to previous models. Download and print the inverse square law chart sound pressure level reduction vs.
An increase of 20 db means that the spl increased by ten times. Roughly speaking that corresponds to how loud a noise sounds at the moment you take the measurement. See the sound paths and how these are affecting the levels.
422 fraserburgh original ashp sound pressure level vs power consumption.
I δp2 2ρvw i δ p 2 2 ρ v w. The intensity of a sound wave is related to its amplitude squared by the following relationship. Noise mapping tool create sound level models and noise maps for free in your browser. Often referred to as a sound pressure level spl meter decibel db meter noise meter or noise dosimeter asound level meter uses a microphone to capture sound.