A Sound Level Meter with Calibrator Each time you use your sound level meter, it should be calibrated using an acoustic calibrator. This can help you ensure that your instrument is measuring correctly and that you are complying with the requirements of any standards, regulations or guidelines that you are working to. Most noise standards, regulations and guidelines require that Read More…
Archive | Sound Level Meters
Support UK Manufacturing with a UK designed and manufactured sound level meter
Did you know that for over 40 years, Cirrus has been designing, manufacturing and supporting its noise measurement instruments in the UK? Over the years, Cirrus has grown, and we now sell our products across the world with our sound level meters, noise dosimeters and noise monitoring equipment used in over 130 countries. Wherever there’s noise, someone is using a Read More…
IEC 61672 – A Standard for Sound Level Meters Explained
The current standard for sound level meters, IEC 61672, is published in three parts. Here our explanation of IEC 61672 and what these parts mean for sound level meters.
Tonal Noise Analysis with Optimus Green Sound Level Meters
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 âpure toneâ). This is referred to as tonal noise.
What is a Class 1 Sound Level Meter?
A Class 1 Sound Level Meter is a noise measurement instrument that meets the requirements of IEC 61672-1:2002 (or an equivalent such as BS EN 61672-1:2003) to Class 1 performance. Tolerances & Accuracy This standard specifies two levels of performance, Class 1 and Class 2, with Class 1 being effectively more accurate. Within the standard are a set of performance criteria Read More…
What’s the Difference Between a Class 1 and Class 2 Sound Level Meter?
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? Expand your Noise Knowledge!Signup to the NoiseNews blog for the latest article updates straight to your inbox. Email Send Message
What is the Difference Between Class and Type for Sound Level Meters?
The sound level meters and noise dosemeters that Cirrus manufactures are designed to meet the performance criteria laid down in various standards. For example, the optimus sound level meters are designed to meet the requirements of BS EN 61672-1:2003 which is also known as IEC 61672-1:2002. Within these standards there are many different performance criteria that the instrument must meet Read More…
Why Do You Need a Windshield on a Sound Level Meter?
A windshield is a very useful part of your noise measurement equipment and there are several reasons why you should use a windshield when you are making noise measurements. Reduce the effects of wind & air movement across the microphone Protect the microphone from damage Keep the microphone capsule clean Expand your Noise Knowledge!Signup to the NoiseNews blog for the Read More…
