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...
Update for the NoiseTools Software to v1.3.0
A new version of the NoiseTools software has been released (12th August 2011) with a range of new features and functions added. The new version is v1.3.0 and existing users can update their NoiseTools software free of charge using the...
Top 10 reasons to choose the Trojan Noise Nuisance Recorder
The Trojan Noise Nuisance Recorder has been designed to make the measurement and monitoring of noise nuisance quick, simple and easy to carry out. If you’re looking to upgrade or replace your old noise nuisance equipment, the Trojan gives you...
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...
