Noise measuring equipment - List of Manufacturers, Suppliers, Companies and Products

Noise measuring equipment Product List

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Technical Document: Naru Hodo Series 7 "What is the Difference Between Static Events and Dynamic Events?"

Do you know the reason why buildings and structures like bridges break?

This document explains the difference between "static events" and "dynamic events" that occur in objects. Dynamic events generate stronger stresses than static events. As a result, deformation, collapse, and damage are more likely to occur. For those involved in the design of buildings and structures, this is an important concept to consider for gaining ideas, such as using dampers as countermeasures. The content is based on "Naruhodo Series 1." If you haven't read it yet, we recommend downloading it. For those who have read it, this document provides more detailed information, so please read it as a review. <Content> ■ Differences between static and dynamic events ■ Design issues when only considering static events ■ Differences in a single-degree-of-freedom vibration system ■ Other important properties of dynamic events ■ Reasons why natural vibration modes are important

  • Vibration and Sound Level Meter

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Technical Data: NaruHodo Series 8 "What is the Damping Ratio Related to Vibration?"

If you're concerned about vibrations, here's what you should know! A summary of "damping ratio."

This document explains the "damping ratio" related to vibration issues. The damping ratio indicates how easily vibrations occur and how well they can be controlled. A larger value means smaller vibrations, serving as an indicator of vibration suppression. For those troubled by vibration issues, I hope this document can assist in considering solutions. This document explains why the "damping ratio" is important, using diagrams, graphs, and equations. Please take a moment to read it. <Contents> ■ Reasons why the damping ratio is important for vibration issues ■ Relationship between the natural frequency of mass-viscous-spring systems and the damping ratio ■ Damping ratio measurement data for equipment and piping ■ About friction damping characteristics ■ About collision damping characteristics between elastic bodies ■ Relationship between added mass and damping ratio

  • Vibration and Sound Level Meter

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Technical Data: Naru Hodo Series 9 "Wind and Vibration (Kármán Vortex Vibration)"

Don't miss out on this! The damage and destruction of structures caused by Kármán vortex shedding.

This document explains "Kármán vortex shedding," which is caused by wind and other factors. There have been cases where large bridges have collapsed due to this vibration. It includes diagrams and explanations of the phenomenon using equations. For those involved in the design of large structures such as bridges, this is a vibration that needs to be considered. We encourage you to read it. <Contents> ■ Why does it sway when the wind blows, and how does it damage structures? ■ Vibrations caused by wind and other flows ■ Frequency of Kármán vortices and vibration phenomena ■ Variable forces acting on cylinders and design considerations ■ Dimensionless flow velocity and equivalent damping ratio ■ Bonus 1~4

  • Vibration and Sound Level Meter

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Technical Data: Indeed Series 1 "Vibration, This is All You Need"

A collection of essential knowledge recommended for those who are dealing with vibrations for the first time! If you know this much, you'll be almost fine!

For over 40 years, the international vibration and noise instrumentation group has been tackling many problem-solving challenges as experts in vibration and noise. We are currently offering a free copy of "Naruhodo Series 1," which explains vibration phenomena. This material is aimed at those troubled by vibration issues and those encountering vibration for the first time, providing an easy-to-understand explanation of why objects are prone to breaking due to vibration, from the perspective of vibration and strength. 【Contents】 ■ What is vibration? ■ Difference between frequency and natural frequency ■ Damping ratio and vibration modes ■ Factors that make objects prone to breaking when vibrating ■ How to determine natural frequency, etc. *For more details, please refer to the PDF document or feel free to contact us.

  • Analysis and prediction system

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Technical Data: Naru Hodo Series 3 "Measurement and Analysis of Vibration"

A collection of recommended basic knowledge for those new to vibrations! If you know this much, you'll be almost fine!

For over 40 years, the international vibration and noise instrumentation group has been tackling numerous problem-solving challenges as experts in vibration and noise. We are currently offering a free copy of "Naruhodo Series 3," which explains vibration phenomena. This material provides clear answers to questions such as, "How is vibration measured, and what kind of analysis is performed?" 【Contents】 ■ Methods of measuring vibration ■ Precautions in measurement ■ Selection of detectors and measurement procedures ■ How to determine vibration frequency and amplitude ■ Differences between natural vibration modes and forced vibration modes, etc. *For more details, please refer to the PDF document or feel free to contact us.

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Introduction to the International Vibration Measurement Instrument "YouTube Channel"

We are currently releasing experimental and testing videos that showcase our technology involved in vibration testing, vibration measurement, and noise measurement.

Our company conducts vibration testing and measurement, providing a one-stop service from testing and measurement to analysis. To clearly communicate our business activities, we have launched a YouTube channel where we are currently publishing software introduction videos and various experimental videos. [Video Overview] <Introduction to Measurement System Software> ■ Data Recording Software ■ 128-channel Measurement Recording Software (Recording System) ■ 3D Mode Analysis Software ■ Continuous Spectrum Analysis Software <Introduction to Vibration Experiment Workshop (Experimental Videos)> ■ Vibration Testing of a Cantilever Beam ■ Vibration Testing of a Two-Story Building Model ■ Bending Mode Testing of Rotating Bodies (In production. Will be published upon completion.) We will continue to upload various videos on our YouTube channel in the future. If you are interested in the content of the videos or our company's services, please feel free to contact us for inquiries.

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