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Timing of Near Infrared Sauna

Discussion in 'The New Monster Thread' started by cmegan, Oct 11, 2015.

  1. Inger

    Inger Silver

    Thanks Jack.... I miss your purple jacket.. it was so cool...lol I need to buy me some purple clothes!
     
  2. Jack Kruse

    Jack Kruse Administrator

    yes........but getting sun is key and you know that better than most
     
  3. Inger

    Inger Silver

    Yeah.... I sure am addicted to nude tanning since long ago... (I think from birth on :rolleyes: )......huh!
    now I know why
     
    seanb4, Cpt.Tired and nicld like this.
  4. Cpt.Tired

    Cpt.Tired New Member

    Like Carolyn's favorite jacket!:p oie_aBJ7P8Syq8u7.jpg
     
  5. Daniel

    Daniel New Member

    So do I understand right that those UV bulbs to use 24/7 should be of 380nm (+another bulb for IR)? I read here that below 379nm is not good, but all commercially available blacklight bulbs are of 365nm or no information about wavelength
     
    seanb4 likes this.
  6. seanb4

    seanb4 New Member

    Are you sure it didn't say below 279nm, think 365 will be fine.
     
  7. Daniel

    Daniel New Member

    Ah true, thanks Sean! :)
     
  8. RyanMSauce

    RyanMSauce New Member

    Link to purchase Duracell CFL 10028B? I did a search and couldn't find.
     
    seanb4 likes this.
  9. Dia

    Dia Gold

  10. RyanMSauce

    RyanMSauce New Member

    @Dia Thanks!. I wonder how much uva these put out at a distance of lets say 2-3 feet compared to the sun?
     
  11. Dia

    Dia Gold

    You're welcome! I have no idea... but if it works for Dr K, it's good enough for me
     
  12. Lahelada

    Lahelada New Member

    Read tensegrity 14 for sun figures. As far as the black light is concerned there is no comparison. Black light is to make up for missed sun exposure but cannot replace it. To Gert you through the day and keep the batteries topped up.
     
    Cpt.Tired likes this.
  13. Jack Kruse

    Jack Kruse Administrator

    Light travels at the speed of light my friend........its gets everywhere fast.
     
    cinnamon likes this.
  14. RyanMSauce

    RyanMSauce New Member

    I'm talking about the inverse square law here where the intensity of the light from the bulb is inversely proportional to the square of the distance from the source. The further we are away from the bulb the uv light will get exponentially weaker.
     
  15. Jack Kruse

    Jack Kruse Administrator

    for light at short distances it matters LITTLE
     
  16. I have to think about this math. If we assume the light source is an expanding sphere, the surface area is 4 times pi r-squared. So as the distance from the source increases you can calculate the intensity of the beam. But, as Jack says, at short distances, not much affect. Either increase the time of exposure, or add sources.
     
    Last edited: Dec 3, 2015
  17. I think the data to do this comparison is available. Someday when I have the time to do the research....
     

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