Noise Pollution Articles

  • Dynamic Flow Balancing Valve

    Function: The dynamic flow balance valve keeps the flow constant between 31-600KPa. Role: Keep the flow through the valve constant. Theory: When the incoming flow pressure P1 increases, the sleeve of the valve sleeve moves downward, compressing the spring inside the valve bladder, and reducing the flow area of the valve hole at the bottom of the valve bladder, that is, reducing the Kv value of ...


    By ZhengFeng Valve Group

  • Decibel monitors for schools and colleges

    Education shouldn't come at the cost of hearing loss, which is why an increasing number of schools, universities and colleges are investing in the protection of their students' ears by installing noise-activated decibel monitors in teaching rooms and corridors.  ...


    By Pulsar Instruments Plc

  • Noise at Work Experts at Made In Yorkshire Expo 2019

    We're exhibiting at the Made in Yorkshire Expo 2019 The exhibition takes place at the Centenary Pavilion Leeds United Football Club on Thursday 23 May 2019. This is the fourth year of the region's biggest showcase of Yorkshire Manufacturing. The event brings together over a 100 Made In Yorkshire members and highlights the diverse expertise in the area. As Noise Experts for 50 years, Pulsar ...


    By Pulsar Instruments Plc

  • Noise Cancelling Headphones: The Beginning

    Noise cancelling headphones make it possible for people to listen to audio content without having to raise the volume excessively. The special headphones can totally offset the effects of a distracting noise, enabling the wearer to relax in a noisy environment, such as when they’re travelling on an aircraft, for example. ...


    By Sound Planning Limited

  • Exporting sound measurement solutions to the Southern Hemisphere

    Building Export Sales in the Southern Hemisphere Simon Rehill, General Manager of Pulsar Instruments - a designer, manufacturer and supplier of world-leading occupational sound measurement solutions for 50 years - has been travelling the southern hemisphere recently catching up with some of our reputable Sales Partners in the Antipodes and South Africa. During his trip, he met with our ...


    By Pulsar Instruments Plc

  • Generation-next mass flowmeter arrives

    This vortex mass flow device directly measures three parameters. Then, it computes seven more properties of liquids, gases, and steam. The next generation of mass flowmeters offers improved accuracy, lower installed cost, and enhanced functionality, including multiple outputs of process conditions. The multiparameter How vortex mass flowmeter (MVMF) was developed to reduce total cost ...


    By Sierra Instruments, Inc.

  • Decibel Meters vs. Sound Meter Apps & Cheap Noise Meters

    Pulsar Instruments takes a look at why you should buy professional decibel meters from an established manufacturer for your noise measurements rather than use less accurate alternatives such as mobile sound meter Apps or cheap noise meters. Sound Meter Apps - How accurate are they? There is a growing number of sound meter Apps available as free downloads on Google Play Store and ...


    By Pulsar Instruments Plc

  • A win-win relationship - Case Study

    Recycling areas: Tyre Company name: Imdex A/S Located: Farsø, Denmark Founded: 2002 Employees: 20 Imdex A/S became in 2002, an authorized reciever of old tyres by the Environmental Protection Agency (Consolidation ...


    By Eldan Recycling A/S

  • 24 Different Types of Rubber Granulate - Case Study

    Recycling areas: Steel cleaningTyre Company name: PVP Triptis GmbH Located: Triptis, Germany Founded: 2000 Employees: 60 PVP Triptis GmbH is a manufacturing company specializing in the development and manufacture of products from a mix of rubber granulate and ...


    By Eldan Recycling A/S

  • Tyre Recycling is no news in the Emirates - Case Study

    Recycling areas: Tyre Company name: Sharjah National Crumb Rubber Industries Located: Sharajh - Sajaa, United Arab Emirates Founded: 2004 Employees: 28 Sharjah National Crumb Rubber Industries is a tyre recycler in the United Arab Emirates. They see that waste tyres ...


    By Eldan Recycling A/S

  • Grinding machine dedicated reducer

    Mill for reducer can be divided into: 1.GMLX (S) vertical mill reducer 2.GMY (X) center drive reducer 3.MBY / JDX edge drive reducerGMLX (S) vertical mill reducerProduct descriptionGMLX (S) series of vertical mill reducer is mainly used for building materials industry cement production line vertical mill and thermal power plant pulverized coal production line vertical grinding, can ...


    By Sogears

  • grove gear_power gear_reduction gear_power reduction gears

    @Worm reducers grove gear kind summary NMPV series worm reduction gear is a new generation of gears combing the international advanced technology based on the original WP series. It adopts advanced square case structure, high quality die-casted Aluminum alloy. It has small size, light weight, low noise, small vibration, high efficiency, big carrying capacity and strong commonality. This is a same ...


    By Sogears

  • Guomao helical worm gear motor speed reducer gearbox factory

    Guomao S Series Helical Worm Gearbox / Gear Motor / Gear Reducer1. Gearbox / Gear Motor / Gear Reducer Output speed: up to 145 r/min 2. Gearbox / Gear Motor / Gear Reducer Output torque: up to 4000 N.m 3. Gearbox / Gear Motor / Gear Reducer Driving motor output: 0.12~22 kW 4. Gearbox / Gear Motor / Gear Reducer Frame range: S37~S97 5. Gearbox / Gear Motor / Gear Reducer Various mounting design: ...


    By Sogears

  • Preventing and reducing hearing loss - World Hearing Day 2019

    World Hearing Day – Check your hearing Preventing and reducing hearing loss is again under the spotlight for World Hearing Day 2019 - 3rd March and noise measurement experts for 50 years, Pulsar Instruments, is pleased to continue to lend our support to their important message. With this year’s theme ‘Check your hearing’ the World Health ...


    By Pulsar Instruments Plc

  • Buy sound level meters online with total confidence

    Why you should have faith when you buy sound level meters online from Pulsar Instruments High standards of management and quality controls Pulsar Instruments plc, is one of the fastest growing manufacturers and suppliers of noise measurement products in the world, announced today that it has resecured its recertification audit from the British ...


    By Pulsar Instruments Plc

  • Noise Meters - Why you should choose Pulsar Instruments

    Pulsar Instruments – the Gold Standard in Noise Measurement The fact that Pulsar Instruments is a manufacturing company with 50 years of successful history speaks for itself; we have been at the forefront of technology for noise meters since its inception as an engineer-led concern in 1969. We were the first company to display the sound exposure times on the same scale of noise ...


    By Pulsar Instruments Plc

  • Noise Measurement - Trusted Experts for 50 Years

    Pulsar Instruments plc (UK) is 50 years old! That means we've been trusted global noise experts for 50 years. ...


    By Pulsar Instruments Plc

  • What are decibels, the decibel Scale and noise measurement units?

    What is the decibel scale The human ear is an extremely versatile and amazing hearing device. It has a clever in-built mechanism that reduces its own sensitivity as the sound level rises and it also has the remarkable ability to handle an enormous range of sound power levels. It can hear the sound of a pin dropping close-by as well as the roar of a jet engine far away.  ...


    By Pulsar Instruments Plc

  • Singer valve solves triple dilema in Ohio - Case Study

    Their Challenge Butler County, which purchases water wholesale to provide drinking water to its population of 100,000, faced three problems. 1. Extreme pressure drops at a pressure reducing and metering facility, resulting in severe cavitation damage and extreme noise to two valves. 2. The inability to sequence the two valves. 3. The inability to accurately control levels in two remote ...


    By Singer Valve Inc.

  • La county trusts Singer’s anti-cav trim - Case Study

    Their Challenge At Pepperdine University, even the horses kicked up a fuss about how noisy a nearby valve was when it opened and closed. The horse stable stood next to a reservoir tank in the pressure zone at an elevation of 545 feet. The valve, which was at the tank’s inlet, was serviced by a high pressure line from 812 feet elevation. “The valve vibrated so much it scared ...


    By Singer Valve Inc.

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