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?
You need a sound level meter, but what for?
In my 10 years experience as an Export Sales Manager, I am often approached for a Sound level meter with little additional information as to the intended use of the instrument. Sound level meters come in a range of different...
What is the Difference Between Class and Type for Sound Level Meters?
The sound level meters and noise dosimeters that we manufacture 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...
Why do instrument standards have different dates?
I’ve been asked recently to confirm if a sound level meter is marked as meeting IEC 61672-1:2002, does it also meet BS EN 61672-1:2003? Instruments such as sound level meters are designed to meet certain standards and these are published...
Why don’t Noise Dosimeters have a Class or Type designation?
All of the noise measurement instruments that you use should comply with one or more standards which specify the accuracy that the unit should have. There are many different standards for noise measurement instruments such as sound level meters, noise...
How does a noise nuisance recorder work?
A Noise Nuisance Recorder, such as the Trojan, is a noise measurement instruments that can record both noise levels and audio files which are used to measure, record and assess noise nuisance complaints. It is discreetly installed by the officer...
Top 10 reasons why repeating a noise measurement could give different results
Your sound level meter is a precision instrument and as long as it’s not damaged or misused and is calibrated regularly, it will give you accurate noise measurements for many years. One of the questions that we get asked regularly...
What Class or Type of Sound Level Meter is needed for Noise at Work (UK)?
The Control of Noise at Work Regulations 2005 require, that when you are measuring noise exposures, that you use a sound level meter or noise dosimeter that meets certain standards. This is to ensure that the measurements are as accurate and...
What to look for when choosing noise measurement equipment for Noise at Work
Noise legislation, designed to protect hearing and prevent noise nuisance, is becoming tougher and more widespread. It’s a response to our increased understanding of the damage that noise can do to hearing, and the negative impact it can have on...