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Environmental Monitoring (Environmental Monitoring)
Paoletti, Fiori, Montanari - 17:27 Friday 24 August 2018 (42530) Print this report
New "ground electric noise" sensor

Today from 14:30 UTC a temporary sensor is available to continue the studies of the ground electric noise into CEB we noticed in the past (see logbook entry 42269 and comments).

The channel's name is ENV_IB_ELECTRIC and (try to) measure the voltage drop between the EE_ROOM electronics and the INJ tower (metallic structure), see attached figure.

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Paoletti - 21:53 Friday 24 August 2018 (42533) Print this report

Here some results: there is coherence with DF mostly at 150Hz and 350Hz (fig.1)

Then worth noticing some sidebands (e.g. around 200Hz), spaced about 1.4Hz (fig. 2)

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