becka

I had heard at one time that the body can only take in so much light, UVA, UVB. It seems that it was something like 27 lamps, so if you had a bed with moree lamps it was really a waste of time? So, my question is it that true, your body can only except so much light?
becka

viptanner

I don't know where you may have heard such a thing. Perhaps you talking about MED, Minimal Erythmial Dose? (Excuse spelling)??

Tan Talker

Radiation is energy travelling through space. Sunshine is one of the most familiar forms of radiation. It delivers light, heat and
suntans. We control its effect on us with sunglasses, shade, air conditioners, hats, clothes and sunscreen.

There would be no life on earth without lots of sunlight, but we have increasingly recognised that too much of it on our persons
is not a good thing. In fact it may be dangerous, so we control our exposure to it.

Sunshine consists of radiation in a range of wavelengths from long-wave infra-red to shorter wavelength ultraviolet.

Beyond ultraviolet are higher energy kinds of radiation which are used in medicine and which we all get in low doses from
space, from the air, and from the earth. Collectively we can refer to these kinds of radiation as ionising radiation. It can cause
damage to matter, particularly living tissue. At high levels it is therefore dangerous, so it is necessary to control our exposure.

Living things have evolved in an environment which has significant levels of ionising radiation. Furthermore, many of us owe our
lives and health to such radiation produced artificially. Medical and dental X-rays discern hidden problems. Other radiation is
used to diagnose ailments and some people are treated with radiation to cure disease. We all benefit from a multitude of
products and services made possible by the careful use of radioactive materials.

Background radiation is that which is naturally and inevitably present in our environment. Levels of this can vary greatly. People
living in granite areas or on mineralised sands receive more terrestrial radiation than others, while people living or working at
high altitudes receive more cosmic radiation. A lot of our natural exposure is due to radon, a gas which seeps from the earth's
crust and is present in the air we breathe.

So what real difference does it make if you are a bulb short?

Chippp

that is the dumbest thing I have ever heard!

sessions are based on the time it takes any tanning machine to hit 4MED.

so you can have 2 low wattage lamps it could take a year to hit 4med.
or you can have many high wattage lamps and hit 4 med in 5 min.



The number of lamps and the wattage as well as uvb uva % determin the time it will take to hit 4 MED.

The cheaper machines use few lamps of lower wattage equalling a long slow session,
The more expexsive the machines the more lamps the higher wattage lamps the shorts faster the session to hit 4 med.

This is the most basic knowlage every salon owner should know!


There can "over kill" you can have very expensive machines that do to design are very expensive to make and run and the design is not effecent so that you are payiny far more per session but not getting a cost efficant machine.
I did see beds that stacked the lamps in the top behind each other in a triagle design.......the lamps actually blocked each other......its looked cool but was a poor design as far as effectiveness goes.


It can be like cars, they
get you from a to b , but one is more comfortable and can go faster then the other, and one may cost a little but more or a whole lot more. they still get you from a to b. Is the cost worth he speed and comfort? It may be in some cases and not in others.

Don Smith

FYI:

Our testing at the UVR Research Institute has shown that 5 sunlamps will give you the same te (time to 4.0 MED) as a full canopy.

Draw your own conclusions.

Don

becka

Thanks, Don, maybe I wasn't so stupid.

Tamar

Dumb, meaning mute?

Hey Jim, I am impressed, that was cool info.

MJ

I moved it over here Don, it seems appropriate for this forum.
hope you don't mind.
Mj