TMS Square sensor & calibration tips                                          Your one-stop sound & vibration shop

Welcome to Issue #49


Welcome back!  With the ever impressive and expanding world wide web technologies, people can be connected all across the world.  In fact, this edition of sensor & calibration tips comes to you from the beautiful city of Bergamo, Italy. 


We are excited to bring you a host of tips and tricks for both dynamic sensing and calibration from across the world. Please remember to check out our growing archive for any topics you've missed along the way.  As always, we are here to serve you - so let us know if there are topics you would like to see covered in a future edition! 

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Tip of the Month

Quick Links
ISO TC 108 - Mechanical vibration, shock and condition monitoring
ISO TC 108/SC 3 - Use and calibration of vibration and shock measuring instruments
Previous Newsletter
sensor & cal tips #48 -

ED and Reference Limitations in Low Frequency Calibration; Multiple Component Order Tracking

sensor & cal tips #47 -

Accelerometer Mounting; Accelerometer Technologies and Performance Characteristics

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PCB Group Companies

Tutorial in Modal Shaker Excitation: Methods and Mechanisms


So many shaker types... so many excitation signal types... so little time.


This excellent presentation from the International Modal Analysis Conference was coauthored by our own Marco Peres and presented by our

Marco Shaker Application

friend and colleague Professor Peter Avitabile of the Structural Dynamics and Acoustic Systems Lab at UMass Lowell.  Inside you'll find an overview on some shaker excitation techniques commonly employed in modal testing, a review of deterministic and non-deterministic methods, a presentation of excitation techniques that have been developed from a historical standpoint and last Multi-Input, Multi-Output (MIMO) modal testing information. 


Click here to read more

Dynamic Friends of TMS and PCB Group


One thing I absolutely enjoy about our dynamic test industry is the friendly and talented people I get to spend time with at conferences each year.  I hope sometime you'll also have the chance to meet Purdue UniversityProfessor Doug Adams and his team from Purdue University.  They have been active researchers and users of PCB and TMS instrumentation for years.  For over a decade, Dr. Adams has mentored a wide variety of research projects and applications utilizing dynamic pressure, sound, vibration and force sensors.  His research facility, the Purdue Center for Systems Integrity (PCSI) operating under the Purdue Institute for Defense Innovation (Purdue IDI), investigates technology for asset health management in aerospace and automotive applications, composite material sustainment for aircraft, helmets and the like, and energy systems and sensors involving wind turbines and batteries.  The Center for Systems Integrity has a large list of Theses, White Papers and Publications, located under the resources tab, of which many are related to applied dynamic measurements.   


I encourage you to take a moment and peruse the site to see the caliber of the researchers and learn from their work.  For a better understanding of PCSI and their research, please see their brochure


Click here to read more

Blast from the Past


For those who may be new to our newsletter, we wanted to highlight an article from a previous sensor & calibration tips - "Calibration and ISO 9001, 17025, 16063-21 - How Standards Apply to Accelerometer Calibration"...


Already operating under an ISO9001 Quality Management System?


The world of standards, controlled processes,
documentation and audits can sometimes be daunting...  To help demystify this world when it comes to accelerometer calibration, we'll begin by discussing the relationships between the various parts of each of these quality system pieces.


Click here to read more



We appreciate your interest and are glad to be providing regular information to help you with your dynamic testing and calibration needs.  



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20 Year StickerMichael J. Lally
The Modal Shop
A PCB Group Company