Expert Insights

Mike Violette unravels mysterious horizontal lines plaguing hospital trauma room X-ray images. After extensive investigation, the culprit wasn't the suspected 58kHz interference but an RFID theft-detection system operating at 13.56MHz—highlighting the importance of persistence in electromagnetic troubleshooting.

The iNARTE Informer – December 2011

The iNARTE office has switched to a wintertime schedule. With the shorter daylight hours...

The Future as Compliance Engineers

For most with an affinity to compliance engineering, little time is spent on thinking...

Globally Standardized Symbols

Two international committees engineer the universal symbols that silently guide us through complex equipment and hazardous environments. From abstract electrical controls to color-coded safety warnings, these meticulously designed visual elements form a global language that transcends words, ensuring both manufacturer compliance and user safety across cultural and linguistic boundaries.

The iNARTE Informer – November 2011

It has been a few weeks since we had a most unwelcome visit from...

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ISO 7010

Universal safety symbols transcend language barriers to protect lives across global workplaces. Navigate the critical world of ISO 7010 safety icons, beginning with the internationally recognized electrical hazard symbol.

Power Line Common-mode Conducted EMI Emission

Don't be misled by common assumptions about EMI emissions. While many attribute conducted EMI profiles solely to currents from product power connections to LISNs, the reality is more complex. Interface-sourced common-mode potentials can create measurement effects that appear to originate from power terminals—requiring different mitigation strategies than traditional power entry suppression.

The iNARTE Informer – October 2011

Thoughts on the IEEE EMCS 2011 The 2011 Long Beach Symposium was one of the...

Static Hocus Pocus

Associate Professor Neils Jonassen authored a bi-monthly static column that appeared in Compliance Engineering...

Smoking or Non-smoking?

In the Summer of 2000 I booked some burn time at a small environmental lab in south Dallas. The facility was not exactly state-of-the-art, but the price was right: $300 a burn. It sure beat paying about $4,000 a burn at an NRTL at the time. For 300 bucks, you got the chamber, a methane line burner connected by a hose to a big tank of methane gas, and a technician who would manually operate the whole thing from an adjoining isolated room. A fire extinguisher was always ready “just in case”.

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