30.4 MB (30.0 MB compressed)
3923 x 2710 pixels
33.3 x 22.9 cm ⏐ 13.1 x 9.0 in (300dpi)
PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY
Editorial use only.
Electromagnetic radiation monitoring. Health Protection Agency worker in a school using a Narda selective radiation meter (SRM, bottom) to measure the electromagnetic frequency levels emitted by devices such as mobile phone masts and electricity substations. This SRM is a measuring device that is used for the analysis of high electromagnetic radiation frequency levels. The results are evaluated according to public safety regulations. A background radiation detector is also being used. Photographed in the UK.
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