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 and so in this post we’ll cover the differences between a Class 1 and a Class 2 sound level meter.
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 »