hand-held noise Articles

  • 2250 Hand-held Analyzer now Reverberates

    The development mantra for the 2250 Hand-held Analyzer 'easy, safe and clever' has now been applied to reverberation time. A new software package extends Type 2250's powerful functionality with reverberation time analysis. Easy, Safe and CleverReverberation Time Software BZ-7227 applies Type 2250s 'easy, safe and clever' concept to reverberation time. Press the Start key, clap your ...

  • Narrowband FFT Analysis in a Hand-held Analyzer – A Product Engineer’s Tale

    “Wheeeeeeek… When pronounced in a falsetto voice, that’s the noise the brand new product makes. Hurts the ears, I’ve heard it so many times. Always the same pitch, at least to my ears. The unusual thing is that not all the units make the sound. The helical gear drive is supposed to be as quiet as possible and now I’ve got to fi gure out what the problem is.” If the above strikes a chord, then ...

  • HAV mis-measurement – to no standards whatsoever…

    Misunderstanding Hand Arm Vibration monitoring marketing material can put hands and safety policies at risk. Caveat emptor. We are regularly asked about new vibration measurement technology, particularly re the latest hand-held, glove or wrist mounted transducers that are presented as the latest assessment improvements. Whilst they may be useful tools, unfortunately some claims have been ...

  • Noise Measurement

    Definitions Threshold and criterion levels The threshold level is the A-weighted sound level at which a personal noise dosimeter begins to integrate noise into a measured exposure. For example, if the threshold level on a sound level meter is set at 80 decibels (dB), it will capture and integrate into the computation of dose all noise in the employee's hearing zone that equals or exceeds 80 dB. ...


  • Controlling Exposure to Noise at Work with Personal Noise Dosimeters

    Which method is best to monitor noise: sound level meter or noise dosimeter? Controlling exposure to noise at work with noise dosimeters Our work environment has been transformed since the 1970’s with the introduction of new machinery and technical equipment designed to improve and increase general productivity. This has revolutionalised the way we operate ...


    By Pulsar Instruments plc

  • Advice when choosing noise measurement 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 quality of life in the wider community. It has resulted in a growing need to measure noise and rising demand for noise measurement equipment. However in ...


    By Cirrus Research plc

  • Noise Mapping in Lille

    Lille, with a population of 1091 million inhabitants is the 4th largest agglomeration in France after Paris, Lyon, and Marseille. Situated at the heart of a network of 464 km motorways connecting six European cities (Brussels, Bonn, the Hague, London, Luxembourg and Paris), the metropolis of Lille also has the densest railway network of France after Paris. Pascal Thomas and his team of 8 ...

  • Plugging Entertainment Noise

    Have you noticed that the PPE manufacturers are rushing out new devices – “now with added less protection” – for lower levels of noise exposure and for the entertainment industry? I can personally recommend these plugs for rock concerts – the music sounds better, but you do have to forgo the traditional post-gig head-buzz and “temporary” deafness. Talking ...

  • Is The `Beep` Noise Pollution?

    It is rare these days that you can be somewhere without noise pollution intruding on some level. Many natural noises may be welcome; a dawn chorus or waves breaking on the beach, but when it comes to man-made decibels it’s a different matter. Never mind the sounds of cars, ring tones and other noises that we take for granted, have you ever noticed how utterly surrounded we are by the humble ...


    By Cirrus Research plc

  • That air conditioner noise is annoying!

    The sound of the HVAC System in your office or factory may be annoying depending on who you ask; the person who has to live with it, or the person who has to pay for it. To measure background noise levels objectively, we use Noise Curves. International standards organizations (ISO, ANSI and ASA) recognize the need to objectify judgements on the amount of ambient noise in enclosed ...


    By NTi Audio AG

  • Noise at Work: Frequently asked questions

    Controlling Noise at Work: Frequently asked questions Pulsar Instruments are the experts when it comes to noise at work measurement. The company was formed 45 years ago and, over the years, the team has answered numerous phone calls or met new and existing customers at Trade shows, professional meetings or in their place of work to answer their queries. Very ...


    By Pulsar Instruments plc

  • NOISE AND HEARING LOSS - Noise, Regardless of Source, Can Lead To Hearing Loss

    Untitled Document What is noise?  Noise was once described as “unwanted sound”.  To the average person, “noise” is not only unwanted, but annoying or loud.  ...

  • In-depth workplace noise risk assessments

    Don’t miss a thing with a custom-made noise measurement kit Pulsar Safety Professional System: the-all-in one solution to noise measurement Pulsar Instruments’ Safety Professional noise measurement system offer Safety, Health, Environmental and Quality (SHEQ) experts a custom-made solution for resolving their complex workplace noise risk ...


    By Pulsar Instruments plc

  • What is an Acceptable Level of Noise at Work?

    Excessive noise at work can be irritating, distracting and potentially harmful to workers’ physical and mental health. The problem is, many employers struggle to determine exactly what is an acceptable level of noise at work, perhaps unsurprising given the subjectivity of ...


    By Pulsar Instruments plc

  • Locking up noise in Lancaster Castle

    It’s pretty unusual for any noise consultant to be asked to monitor noise levels at a dance music event held within a medieval castle but it’s even more unusual when the revellers are all housed in a converted prison wing inside those ancient walls. Since 2011 Lancaster Castle has enjoyed a new lease of life as a major tourist attraction and music venue. It hosts ...


    By Cirrus Environmental

  • 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 ...


    By Cirrus Environmental

  • Locking up noise in Lancaster Castle – Invictus Noise Monitor & Noise-Hub2 Case Study

    It’s pretty unusual for any noise consultant to be asked to monitor noise levels at a dance music event held within a medieval castle but it’s even more unusual when the revellers are all housed in a converted prison wing inside those ancient walls. That was exactly the challenge that faced noise consultant Chris Selkirk of ‘Sustainable Festivals’, when he was ...


    By Cirrus Environmental

  • Where to use Outdoor Noise Monitoring Equipment?

    Noise monitoring equipment is required for environmental noise applications that need to be monitored over a period of time and where a hand-held sound level meter taking on the spot noise measurements would not be suitable. Noise Monitoring Equipment from Cirrus Environmental The Invictus range can ...


    By Cirrus Environmental

  • NASA acts to reduce crawler transporter noise

    The United Space Alliance sought outsideassistance to evaluate and develop noise controlmeasures for NASA’s two CTs at KSC aspart of a modernisation and upgrading program.NASA selected Noise Solutions Inc. (ageneral acoustical contractor) and their subcontractorFaszer Farquharson & Associates ofCalgary, Canada to engage in this project. Thefirst phase of the sound study ...

  • 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 ...


    By ACOEM

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