Recommended By Our Noise Experts
When more detailed information about a complex sound is needed, the frequency range of 20Hz to 20kHz can be split into sections or bands. This is done electronically within a sound level meter.Read More »
We’ve covered the differences between Class and Type in sound level meter standards in a previous post but what the differences between a Class 1 and Class 2 sound level meter?
Cirrus Product Updates
We are delighted to announce that the optimus red and optimus green sound level meters have been Type Approved by the PTB in Germany!Read More »
Often the sound energy from a noise source will be spread over a wide band of frequencies. Sometimes a noise source will emit noise that is concentrated in a narrow part of the spectrum or contains a high proportion of energy at a single frequency (a “pure tone”). This is referred to as tonal noise.Read More »