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Telecommunications Equipment Testing and Certifications

April 18, 2018

Telecommunications equipment deployed in Central Office locations within the telephone network must be tested and certified for safety. A failure of one product in one rack must be contained to ensure it does not adversely affect the entire Central Office....

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NTS offers CAD/FEA Modeling for Direct and Indirect Effects Lightning, Reducing Test Costs and Time

May 24, 2016

The NTS Lightning Technologies laboratory in Pittsfield, MA is now offering finite element analysis, allowing the performance of complex simulations that accurately model the interaction of lightning with a variety of aircraft and avionics components for our customers. This service...

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How can I relate the results of MIL-STD-810 salt fog testing to the life time of my product?

April 20, 2016

This is a very common question that we get asked quite often and unfortunately there is no correlation between what the product sees in the salt fog chamber to what it will experience out in the field. In order to...

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Is there a preferred sequence for EMI, EMC Tests?

April 5, 2016

One of the questions we get asked often is about order of EMI/EMC testing.  Neither MIL-STD-461 nor RTCA/DO-160 specify the order of test performance.  Leaving aside the issue of Safety of Flight tests for aircraft (which typically must be performed...

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NTS Quick Guide to Reverberation Testing

March 24, 2016

A reverberation chamber (mode tuned/mode stirred chamber) is a shielded enclosure or resonant cavity for RF testing which is statistically isotropic, random polarity, having RF uniformity within specified limits. Typically it has a paddle (or tuner) which stirs up the...

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MIL-STD-461G Released

February 3, 2016

The G revision of the MIL-STD-461 standard was released in December 2015 and is available here. NTS’s Jeffrey Viel’s wrote an article for InCompliance Magazine reviewing the proposed changes which was published back in August 2015. These changes have carried...

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The Benefits of Pre-Compliance EMC Testing

November 20, 2015

One of the biggest product development challenges today is ensuring electromagnetic interference is optimally controlled. With proper electromagnetic compatibility (EMC) testing and design, you can ensure the correct operation of various devices in the same electromagnetic environment. EMC is achieved...

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Using Programmable Logic Controllers for Test Automation and Process Control

July 28, 2015

Programmable Logic Controllers, or PLC’s, are basically a small computer with usable inputs and outputs. A PLC can be used to replace a set of relays, both time delay and regular, using counters and timers with input filtering and control....

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Solar Testing Explained: MIL-STD-810 and Commercial

June 23, 2015

The first question a customer always asks is: “Why should I do solar testing and which test should I use?” The answer to the first part is relatively simple. You should perform solar testing if your product will be exposed...

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Why do I need EMC Compliance?

June 12, 2015

There are a variety of reasons why your electrical/electronic products may be required to go through the Electromagnetic Compatibility (EMC) compliance process. Regulatory Requirements Most industrialized nations have established agencies or other regulatory bodies responsible for defining and enforcing EMC...

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