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Welcome to Issue #72  


Bonjour! Welcome to the September issue of the "Dynamic Sensors & Calibration Tips" newsletter. We are excited here because it's football season! Regardless of whether that's American Football (we have fans here of the Cincinnati Bengals, the Buffalo Bills and the Carolina Panthers) or European Football (we also have big fans of the UEFA Champions League), our team's mental energy around the office is running high. We hope you are finding your workplace to be just as energizing! Here is some information to keep you headed in a positive direction.  

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Tip of the Month: 

One Size Does Not
Fit All 

While 100 channels of accelerometers has been a traditional guideline for the ROI crossover for the in-house calibration, nowadays, portable vibration calibrators with limited functionality provide value and payback crossover for owners with as few as 50 channels.

Technical Exchanges
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
ISO TC 108/SC 6 - Vibration and shock generating systems
SAVE (Formerly SAVIAC)
Previous Newsletters
Pressure Calibration in Ballistics Testing; Shakers & Accelerometers 

Dynamic Sensor & Calibration Tips #70 - 
Methods for Field Calibration; Giant Crystal Cave Comes to Light
Select Newsletter Articles 
by Topic
PCB Group Companies
Calibrate Our Own Accelerometers?
By Wayne Tustin
[Excerpted From Test Engineering & Management Magazine]
Long-time test professional, Wayne Tustin of the Equipment Reliability Institute, recently interviewed The Modal Shop Calibration Product Group Manager, Mr. Eric Seller, on the topic of vibration calibration return-on-investment. The following article, "Calibrate Our Own Accelerometers?," (printed in the August/September 2013 issue of Test Engineering & Management magazine) is the most recent in a series of educational articles authored in Wayne's parable style featuring the fictional, newly minted computer engineering graduate, Joe Youngman.


Click to read full article


Monitoring Structural Dynamics with a Microphone
Finding easy ways to educate and reinforce the basic Microphone principles of structural dynamics can be a challenge. The following application note, "Monitoring Structural Dynamics with a Microphone," from the Texas Christian University College of Science and Engineering outlines a very simple test apparatus and exercise that students can use to both manually calculate and compare experimentally determined natural frequencies using only the simplest of measurement instrumentation--a single shaker and single microphone.  
Congratulations to Fluke On Their Viral Video
Vibrations Congratulations to the folks at Fluke who engineered a viral video success in their video creation entitled "Vibrations." The short video is a compilation of dynamic views of impacting and vibrating structures filmed at 1000 frames per second.

                                             Click to watch video


Thanks for joining us for another issue of "Dynamic Sensors & Calibration Tips." As always, please, speak up and let us know what you like. We appreciate all feedback: positive, critical or otherwise. Take care!




Mike Lally signature
Michael J. Lally
The Modal Shop
A PCB Group Company