In This Month's Issue:

• Latest News: QuadTech Continues to Expand Into Mexico
• The Reference Desk: Application Notes
• Medical News
• Useful & Fun Websites
• Special Offer: A Unique Purchase Program
• Feedback and Unsubscribe Instructions

LATEST NEWS:

QuadTech, Inc. is pleased to announce the expansion of its sales operation in Mexico.

Pedro Chavarria, formerly with RCA Thomson in Juarez, has assumed the responsibility of country manager of QuadTech's sales, service and training operations in Mexico. Mr. Chavarria was associated with RCA Thomson for over six years and held the position of project coordinator and manager of test engineering. Mr. Chavarria received his undergraduate degree in electrical engineering from Instituto Tecnologico de Durango graduating in June of 1995. Pedro will receive his Master of Science degree in Electrical Engineering from New Mexico State University in June of 2001. Mr. Chavarria will be located in Juarez and can be reached at 1-619-1871 or email pchavarria@quadtech.com

APPLICATION NOTES:

A Practical Guide to Dielectric Testing
There are so many safety tests that manufacturers of electrical products must perform today before product can be shipped. Requirements differ from standard to standard and country-to-country but the ultimate goal is the same: operator and consumer safety. Take a look at this application note for definitions of the basic electrical safety tests (EST) and methods in which they are performed. [Full Text: http://www.quadtech.com/newsletter/035011.pdf]

So You Need to Measure Some Inductors?
Then investigate this application note. Here is a discussion on inductance, its basic properties and methods of measurement. How does DC Bias help? And how can a DCR measurement help characterize the total loss (DF) of a wire? Just what are the three losses that make up DF anyway? [Full Text: http://www.quadtech.com/newsletter/035083.pdf ]

Measuring IR with the Guardian 2530
The Guardian 2530 AC/DC/IR Hipot Tester is capable of making insulation resistance (IR) measurements at applied voltages of 50V - 1000V over the range 10kW - 2TW with a basic accuracy of 2%. Read on for a complete discussion on how the instrument measures IR and the use of filtering techniques to further sharpen the IR measurement. [Full Text: http://www.quadtech.com/newsletter/035092.pdf]

MEDICAL NEWS:

Why Product Safety Test Your Electrical Medical Products?

The simple answer is because we have to. Here is the second article in a series on IEC60601-1, a widely used standard for safety testing of electrical medical devices. Author Leo Eisner of Eisner Safety Consultants discusses legal requirements for medical product safety testing with examples of how U.S. consumer agencies implement IEC60601-1 regulations/requirements. There is quite a bit more to testing electrical medical devices than just user safety. [Full Text: http://www.quadtech.com/newsletter/035100.pdf]

A seminar on General Safety Requirements for Electro-Medical Devices is being offered at UC Irvine Extension.

On July 28, 2001 Leo Eisner (Eisner Safety Consultants) and Dan Modi (Alcon Labs) will be presenting a seminar on General Safety Requirements for Electro-Medical Devices at UC Irvine Extension. This course is designed for individuals involved in the design & development, manufacturing, product certification or regulatory approvals of electrical medical products intended for the North American, European Australian, and Japanese markets. For more information please visit, http://www.eisnersafety.com/Events.htm

USEFUL WEBSITE:

Martindale Online Calculator: This website has over 11,000 FREE Engineering Calculators available online.
http://www-sci.lib.uci.edu/HSG/RefCalculators4.html

FUN WEBSITE:

Enter your annual salary to see approximately how long it would take A-Rod to earn what you earn. http://www.dallasnews.com/popup/arodpay.htm

FEEDBACK

If you have any questions, comments or feedback about this newsletter, please send us a note at marketing@quadtech.com.