Question about Sharp R-316FS Microwave Oven

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Electromagnetic fields Can you please tell me what sort of radiation the below named sharp microwave drawer emits? I need this information in layman's terms as well as the scientific jargon. I would appreciate knowing how it would register if a Gaussmeter were used to measure the radiation. Thank you. p.s. I will only have access to email until Wednesday, July 9. IF THERE IS A CHARGE FOR YOUR INFORMATION, PLEASE INFORM ME ASW I AM NOT WILLING TO PAY FOR THIS. THANK YOU.

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  • mbacpw Jul 06, 2008

    thank you for your quick reply. very helpful. i do not, however, agree that concerns about microwaves is overblown.....lots of this stuff is cumulative and whereas one exposure has little or no effect, over time and in combination with other such exposures, the human body is affected. this takes years so there is as yet a small, but growing, body of evidence that these waves are harmful. excellent info on this topic is readily avail in europe, but not in the u.s., to protect the enormous commerce assocated with microwave and other products, like cell phones, which emit harmful waves. anyway, thank you very much.

  • mbacpw Jul 07, 2008

    the problem with human exposures to influences like these is that we are all individual and have individual sensitivities, which at this point in the evolution of medical science, are not well enough known to be useful in permitting us to actually know which of us are more sensitive, normally sensitive, or not sensitive at all to these forms of radiation. Just as in exposure to tobacco, some people can smoke 2 packs a day for a lifetime and live a very long time (my grand uncle). Others develop cancer when exposed to second hand smoke for a decade or 2 next-door neighbor). We simply do not know enough about our individual dna packages to say whether one individual or another is at risk. Again, European studies, which are not in thrall to big business, and which have been conducted over a longer period of time than and American ones bear study. Why be sorry when you can be safe? Until we know more, why should we put the general public....some of whom will never react to radiation, others of which will react, sometimes with fatal results.....in harm's way??

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All microwave ovens operate at a frequency of ~ 2.4 GHz (2.4 billion of cycles per second) and the amount of leakage at this frequency is insignificant unless some very unusual damage has happened to the door itself.

Gaussmeters are used to determine the strength of a magnetic field, not radio frequency fields such as exist in a microwave oven.
With the shift to using a different type of power supply (a change from 'linear' to 'switching' design), measuring magnetic field strength will be even less of interest as ordinary Gaussmeters are not capable of measuring the strength of fields at 50 kHz (50,000 cycles per second) or more that are used in the later type of supply.

If a unit has the older type supply, one may be able to measure an increase in ambient field strength since the field is being produced at line frequencies of 60 Hz.
Despite the claims of panicky fear mongers, there is little or no proof that line frequency fields of even very high strength cause any physical harm.

Concerns over the safety of microwave ovens are really overblown and are the stuff of conspiracy fanatics.
Consider that the 1000 or so watts is trapped in a small box which concentrates the power in a limited area.
If it was possible to let that 1000 watts loose in a room, it might be uncomfortable but not likely to do much harm.

By the way, posting on the normal forum does not cost anything but our time.

Posted on Jul 06, 2008

  • Steve Allison
    Steve Allison Jul 06, 2008

    > i do not, however, agree that concerns about microwaves is overblown



    I served in the USAF as a GCA radar repair tech and have been exposed, while on duty and working in front of an active antenna, to peak power in exactly that range ('S' band) of more than 5 megawatts from our long range radar.

    On a private basis, I have been using microwave ovens since the days of the Amana Radar Range and repaired (and tested) many of them.



    The danger of exposure IS overblown; there have been so many 'studies' that have proven them ('them' includes exposure to high AC fields, cellular phones, CB radios, etc.) deadly and harmless so you can take your pick.

    The only way high frequency energy can do harm is if they are delivered in a concentrated field, then they can heat and harm.



    Oh, by the way, before mercury was (factually) known to cause myriad problems, at the age of around 10 years, I put about a half teaspoon in my mouth to see what it felt like.



    Too many of these exagerrated 'studies' have been done with taxpayer grant money needed to pay the grantee's rent and food bills.



    I am 67 and if those lifelong exposures are going to cause me problems, they better hurry!!

  • Steve Allison
    Steve Allison Jul 07, 2008

    One last word -



    I have experienced so many artificial waves of panic, I guess I have simply grown weary of the willingness of the public to accept every study that comes out as the final 'truth' and we end up suffering whiplash from the do - don't - do - don't results.



    If you are old enough, (or if you wish to research it) you may remember the coming new 'ice age' of the 70s.

    Now, we are destroying the planet again . . .

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