Welcome to ELEXANA’s Electromagnetic Interference Testing & Consulting Service

operating in compliance with the 2018 Standard of Building Biology EMRS (Electromagnetic Radiation Specialist) Test Methods (Bau-Biologiste, Germany) SBM 2008C_v3.6

and, IEEE 644-1994 - IEEE (Institute of Electrical and Electronics Engineers) Standard Procedures for Measurement of Power Frequency Electric and Magnetic Fields from AC Power Lines

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Electromagnetic interference (EMI) causes latency, malfunction, and sluggish performance to fine electronics such as computers, medical equipment, financial trading platforms, graphic software, and more.

With the exponential increase of wireless technologies in New York City, EMI has become vernacular. Synonyms are: line noise, harmonic transients, dirty electricity, RFI (radio frequency interference), electromagnetic coupling, micro-surge electrical pollution (MEP), and more.

How does EMI occur?

Metal, of course, is a conductor for electromagnetism. If you have a strong electromagnetic field nearby a metal wire that has an electrical current, the nearby electromagnetic field will magnetically converge, couple, and ride along with this current. Imagine a surfer hopping onto his surfboard to ride that perfect wave.

The amount of interference that will occur on an electronic is relative to frequency, the V/m (Volts per meter) and the magnetic flux of the intruding EMF.

 The top line is a smooth sine wave of alternating current (AC.) The bottom line is a sine wave corrupted with EMI.

The top line is a smooth sine wave of alternating current (AC.) The bottom line is a sine wave corrupted with EMI.

The analogy of wind and water wonderfully illustrates the concept of EMI.

If there is a slow and easy breeze moving across the surface of a lake, you will see ripples or small mercurial waves in the water.

When wind velocity and force increases, you will see more turbulent water. This resembles EMI.

The concern for EMI is the reason you are calmly ordered by your airline pilot to place your phone on “airplane mode.” Accumulative electromagnetism from the many cell phones reflecting off of hard surfaces inside the cabin could intrude onto the computer’s circuitry that controls the landing gear.

EMI is why certain hospital wings will have cell phone restricted areas.

If you think that your fine electronics may be affected by EMI, then you are on on your way to having your problem solved. We’re here for you from Monday through Friday.