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home:special:emf:whitezones:healing [01.12.2019] – [questions] sallieq | home:special:emf:whitezones:healing [07.04.2022] (current) – external edit 127.0.0.1 | ||
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There are different sizes of PVC piping, and there are two compatible systems. The international or European DN system (diametre nominal) with DN32, DN40, etc. meaning 32mm, 40mm inner diameter and the United States NPS, with the correspondance here: | There are different sizes of PVC piping, and there are two compatible systems. The international or European DN system (diametre nominal) with DN32, DN40, etc. meaning 32mm, 40mm inner diameter and the United States NPS, with the correspondance here: | ||
- | [[http:// | + | [[https:// |
I think the US sizes are nominally in inches, quarter inches etc. but in reality they' | I think the US sizes are nominally in inches, quarter inches etc. but in reality they' | ||
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bunk tents... but the price seems a bit high on this site: | bunk tents... but the price seems a bit high on this site: | ||
Privacy Pop Bed Tent | Privacy Pop Bed Tent | ||
- | Link: http:// | + | Link: https:// |
Actually, doing a search, there are a number of self-supporting frames... | Actually, doing a search, there are a number of self-supporting frames... | ||
Picnic Time Manta Portable Pop-Up Sun/Wind Shelter | Picnic Time Manta Portable Pop-Up Sun/Wind Shelter | ||
- | Link: http:// | + | Link: https:// |
< | < | ||
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And there' | And there' | ||
- | [[http:// | + | [[https:// |
and this: | and this: | ||
- | [[http:// | + | [[https:// |
Here is the folding procedure: https:// | Here is the folding procedure: https:// | ||
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< | < | ||
- | [[http:// | + | [[https:// |
</ | </ | ||
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Tapes Master 2" x 36 Yds Copper Foil Tape - EMI Shielding Conductive Adhesive tape | Tapes Master 2" x 36 Yds Copper Foil Tape - EMI Shielding Conductive Adhesive tape | ||
$22.95 USD (free shipping if have a Prime account) | $22.95 USD (free shipping if have a Prime account) | ||
- | Link: http:// | + | Link: https:// |
//Markt Oct.2017//< | //Markt Oct.2017//< | ||
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(A) There are lots of complex formulae, but one webpage is especially useful | (A) There are lots of complex formulae, but one webpage is especially useful | ||
- | http:// | + | https:// |
Put in 55000 for frequency, 3.18 mm for diameter and 25mm for length (thickness of honeycomb) and you get 24.97dB as attenuation. | Put in 55000 for frequency, 3.18 mm for diameter and 25mm for length (thickness of honeycomb) and you get 24.97dB as attenuation. | ||
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I made my own shielding canopy from the 30# shielding netting and bought one of these floor mats: | I made my own shielding canopy from the 30# shielding netting and bought one of these floor mats: | ||
- | [[http:// | + | [[https:// |
Aaronia also do a bed canopy: | Aaronia also do a bed canopy: | ||
- | [[http:// | + | [[https:// |
These are pretty expensive products but you could either use roofing foil in place of the mat (ask the forum which is best) or have your own canopy made from 30# fabric (or do both). | These are pretty expensive products but you could either use roofing foil in place of the mat (ask the forum which is best) or have your own canopy made from 30# fabric (or do both). | ||
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3. Try to join everything up so that conductive surfaces are as large as possible. | 3. Try to join everything up so that conductive surfaces are as large as possible. | ||
- | The Foil I used: [[http:// | + | The Foil I used: [[https:// |
- | Gila Platinum Window Film: [[http:// | + | Gila Platinum Window Film: [[https:// |
- | Y shield HS54 general purpose shielding paint: [[http:// | + | Y shield HS54 general purpose shielding paint: [[https:// |
- | Scotch Aluminium tape: [[http:// | + | Scotch Aluminium tape: [[https:// |
6 | 6 | ||
door - painted | door - painted | ||
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yShield only needs earthing as an electrical-safety precaution, it has little effect on its shielding. I run a 2ft length of conductive tape under the paint to the body of a junction box. Some people run it to plug-earths. This video will show you how an amateur does it: | yShield only needs earthing as an electrical-safety precaution, it has little effect on its shielding. I run a 2ft length of conductive tape under the paint to the body of a junction box. Some people run it to plug-earths. This video will show you how an amateur does it: | ||
- | http:// | + | https:// |
A professional would only use about 2-3ft of tape for each patch of surface, provided the walls are fully painted they will be conductive over the whole surface. So one strap would provide for multiple connected walls. Also, I positioned the tape so that one of the screws used to fasten the box together firmly attaches the tape to the metal box. | A professional would only use about 2-3ft of tape for each patch of surface, provided the walls are fully painted they will be conductive over the whole surface. So one strap would provide for multiple connected walls. Also, I positioned the tape so that one of the screws used to fasten the box together firmly attaches the tape to the metal box. | ||
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were unavailable at time of editing, for information on these and other items stocked | were unavailable at time of editing, for information on these and other items stocked | ||
- | inquire at Alibaba.com [[http:// | + | inquire at Alibaba.com [[https:// |
< | < |