EMF distribution maps
The most informative way of representation for indoor conditions, which gives the opportunity to make technical and organizational decisions on workplace safety and premise selection for following operations including VDU image "jitter" criterion. This method was first proposed by our specialists in 1998; it was successfully used many times.
Examples
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Magnetic field intensity distribution map (indoors; 50 Hz power frequency). Major sources are leakage currents in cables placed under the floor |
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Magnetic field intensity distribution map (indoors; 50 Hz power frequency). Major sources are currents in conductive parts of the transformer substation (10/0.4 kV) placed the floor below |
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Magnetic field intensity distribution map (indoors; 50 Hz power frequency). Major sources are currents from conductive parts of the main distribution panel of the building (located in the adjoining room) |
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