Useful noise assessment settings

We specialise in providing industrial silencers to help clients keep their noise levels under control. This includes safety valve silencer models as well as many more. These particular items can benefit both the workforce and any visitors you have. At the same time, you need them to meet UK environmental standards if your facility is noisy.

Measuring noise

One reason for noise assessment is get data to see if you need to introduce silencers and acoustic barriers. They protect the hearing of workers and promote better onsite communication. Noise measurement devices come in handy here. This is only the case if they detect the most important frequencies though.

The point is to measure frequencies that our ears are distinctly sensitive to. The ones between 500 Hz and 8 kHz are most critical, while the human ear cannot hear lower and higher tones. Weighting therefore deprioritises these low and high frequencies. It focuses on the ones in the specific range we can hear. Basically, a weighting system teaches noise measurement gadgets what tones are and aren’t significant.

The system is more expansive than A, C, and Z weightings. Yet, all three are handy noise assessment settings to know. To help you understand them, we are going to go through each one.


This is the most human-like weighting. What we mean by this is that A deprioritises low and high frequencies. At the same time, it stays attuned to median tones our ears detect. So, the decibels we pick up aren’t unlike those you and your workers will experience. When using a graph, A will express as a conclave down curve. There will be heavy correction for lower noises our ears can’t hear.


C accounts for the lower sounds whilst deprioritising high and low ends of the spectrum. C-weighting is significant because of its ability to measure peak sound pressure. It enables sound engineers to comprehend how lower pitches influence people at high volumes. It is particularly useful for industrial noise abatement. This is because various settings produce dangerous, low noise that needs attenuation.


It is rather different from A and C. Instead of adjusting for human hearing, Z is a setting that stays flat for every frequency. It takes everything in without positioning weights across the spectrum. Z is useful for octave band analysis jobs.

Speak to us if you need a safety valve silencer

At Ventx, we can create an extensive list of silencers for clients all over the UK. With our help, you will be able to acquire the ideal solution to tackle noise. It will work efficiently and you won’t risk harm to your equipment or systems.

So, if you would like to do business with us for a safety valve silencer or any other model, feel free to get in touch. We have very high standards and deliver the best for you.