class 1 sound level meter Articles

Sound Level Meter Apps – How Accurate Are They?

There has been a growing awareness of the availability and application of sound level meter apps providing noise measurement functions. Some of these sound level meter apps have been designed to meet, when used with a suitable external microphone, compliance with the relevant instrumentation standards. The vast majority of these are available as free downloads from the Google Play Store or the ...

Sep. 19, 2017

50th anniversary of world`s first sound level meter

Sound Level Meter Celebrates 50th Anniversary 2010 is the year we celebrate the 50th anniversary of Type 2203, the mother of all sound level meters. It was the world’s first precision hand-held and transitorised sound level meter. Produced for 21 years, it sold a record number of 17300 units. With its upgrades Type 2204 (Impulse time constant) and 2209 (peak detector), it accounted for a ...

Apr. 16, 2010

Uncertainties in Environmental Noise Assessments - ISO 1996 - Effects of Instrument Class and Residual Sound

ISO/DIS 1996-2.2 (2005) “Acoustics — Description, assessment and measurement of environmental noise — Determination of environmental noise levels” contains guidelines on assessing the uncertainties of the determined sound pressure levels. This depends on the sound source, measurement time interval, weather conditions, distance from the source, measurement method and instrumentation. Guidelines on ...

Jan. 1, 2005

Clutching At Straws to Come Up With Noise Level Solution

The UK is renowned for its rich heritage in hosting outdoor festivals, whether it be music or literary, through to farming, food or catering to even more niche audiences. But every festival is unique and, no matter how large or small, they bring with them their own issues when it comes to health & safety and noise related ...

Jul. 11, 2014

By Cirrus Environmental

Avoid common mistakes when buying a decibel meter

Why it pays to avoid quick fix solutions when it comes to noise monitoring Whether you run or own a construction site, a metal cutting workshop or an open cast mine, as an employer of a noisy working environment, you must ensure that the hearing of the employees you are responsible for is protected. In the UK The Control of Noise ...

Jul. 23, 2014

Visit Cirrus at A+A 2017 and see the new doseBadge5 Noise Dosimeter

Cirrus Research will be presenting a number of new and exciting additions to the existing range at the A+A Exhibition in October 2017. On stand 6C51 will be the new doseBadge5 Noise Dosimeter and the Optimus Sound Level Meters which together provide a complete solution for both occupational and environmental noise measurements. A+A 2017 will be the first opportunity for visitors to see ...

Aug. 31, 2017

Acoustiblok® Quiets Well Motor Noise for California Water District

Acoustiblok recently resolved a noisy well motor issue that was affecting some nearby residents for Three Valleys Municipal Water District (Three Valleys MWD) in California. Ben Peralta, a Three Valleys MWD engineer working on the project said, “The new Acoustiblok All Weather Sound Panels perform better than the old ...

May 28, 2015

By Acoustiblok International

Noise induced hearing loss: how can you start monitoring your workforce?

An estimated 20,000 people working during the last year suffered from noise induced hearing loss (NIHL), new as well as longstanding cases, caused or made worse by work.[1]The cause of NIHL is preventable but the affects are permanent, resulting in life changing injuries that can seriously impair a workers’ quality of life. Industries with the highest incidences of NIHL include ...

Nov. 10, 2017

By Casella

Manage the rise in deafness claims with Pulsar Instruments

The recent reports in the press about insurance groups complaining of a sharp rise in claims from employees seeking compensation for hearing problems have highlighted the real risks of noise induced hearing loss and the importance of protecting employees in the workplace. Although employees are protected by Law, noise induced hearing loss is often ignored. And once hearing loss has occurred, it ...

Jul. 11, 2012

Optimus and doseBadge Adapt to New Challenge - Case Study

Established in 1934, Lindapter International is the world’s innovator of steelwork clamping systems, eliminating the requirement to drill or weld steel. The company designs and manufactures specialist products for connecting structural steel sections together and has more than 85 years’ experience in its field. The company’s success is the result of its dedication ...

Jul. 18, 2016

The Noise Doctor’s Review of 2016

2016 is rapidly coming to a close and 2017 is almost upon us. New Year is always a time for reflection. With this in mind, I reviewed all the NoiseNews updates from 2016 and can now reveal the top 10 blogs that aim to educate, inform and entertain. Are you sitting comfortably? Then let us begin. Top 10 Blogs of 2016 10. The Big Bang Theory: What You Really ...

Dec. 20, 2016

Optimus Green helps to bale out Festival - Case study

Recently at the Ravenstonedale Festival in the heart of Cumbria, a rather unusual method of noise control was implemented when it seemed the local acoustics were conspiring against the organisers. The UK is renowned for its rich heritage in hosting outdoor festivals, whether it be music or literary, through to farming, food or catering to even more niche audiences. But every festival is unique ...

Dec. 7, 2017

Noise at Work Regulations: 10 Years On

Doesn’t time fly? It’s already been 10 years since Control of Noise at Work Regulations were introduced in the UK. But have you been following the legislation correctly? Here’s an overview of what the Noise at Work Regulations mean and some common mistakes you should be avoiding. Considering that legislation to limit ...

Apr. 7, 2015

By Cirrus Environmental

Does traditional calibration hide errors in your demand analysis?

Untitled Document A well-calibrated water distribution model can address numerous ...

Sep. 21, 2005

By Innovyze

Versatility is the key with the Blue-White hybrid ultra-sonic flowmeter, “sonic-pro”, at the Key West WWTP

The Florida Keys have long been known for its exotic islands, pristine snorkeling, artistic charm, and a magnificent coral reef. This natural beauty attracts millions of tourists every year. Needless to say, maintaining the quality of the sea water surrounding the keys is essential to the allure and economic viability of the area. The Key West Southernmost Wastewater Treatment Plant was ...

Jun. 9, 2009

ACOEM: DUO introduces the “Smart Noise Monitor”

A new generation of Environmental noise measuring instruments, devoted to: Classical hand-held sound level meter measurements, using the built-in keyboard and screen or a wireless remote control (Wi-Fi, 3G), Short, medium or long-term stand-alone measurements, the operator having full remote control of the instrument. The “Smart Noise Monitor” DUO is ...

May 10, 2010

By ACOEM

40th anniversary of the Health and Safety at Work Act 1974

31st July 2014 marked the 40th anniversary of the Health and Safety at Work Act. Also referred to as HSWA or the HSW Act, the Health and Safety at Work Act is the primary legislation covering occupational health and safety in the United Kingdom. Take a look at what exactly this monumental Act involves and what impact it has had on employee health and safety during the last 40 years. ...

Aug. 18, 2014

Helping Volvo maximise uptime

With the many challenges facing the automobile industry, such as shortened development times, Volvo is increasingly moving its Noise, Vibration and Harshness (NVH) development into computer simulation and modelling, with less traditional prototyping. A well-established customer of Brüel & Kjær, Volvo benefits greatly from the value added to their systems in terms of the minimised ...

Jul. 10, 2012

Fine-tuning acoustic isolation in buildings

ACCIONA Infrastructure is ranked among the leading construction companies in the world - and is recognised for implementing the most advanced and innovative technology. As research and design is vital to keep the company at the cutting edge in relation to technological developments, ACCIONA Infrastructure created a team to analyse noise and vibration. Where traditional ...

Dec. 2, 2013