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Radiation from CRT monitor

 
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Radiation from CRT monitor - 9/25/2008 3:06:17 PM   
psaulm119

 

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You know I could have sworn there was a thread on this topic but I couldn't find it when searching so here goes.

I have an old CRT that is 9 years old and still going...not strong, but it is still working. Sometimes I have seen people in my family getting fairly close to the monitor when working on the computer--as little as 12 inches away, even with the mouse arranged as far away as it could get.

I've read about radiation and electro-magnetic pulses or whatever they're called. Some sites online say that only incredibly small (and safe) amounts leak through the front of the monitor...others, that the lead and other materials can't filter that stuff out. Hate to say it but I"m not too sure who to believe, or how I'd be able to tell the difference.

Which means, I have two options b/c I'd like to stay on the safe side. One is to get a wireless mouse and keyboard and stick with the CRT. The other is to get an LCD. I'm going to get one anyways but things are very tight financially right now and if I could put off an LCD purchase until prices dropped 30-40 bucks that would be just fine with me.

My question--would getting a wireless mouse and staying 2-3 feet away from the monitor be of any benefit? Or would that be (as they say) re-arranging chairs on the deck of Titanic? Or is this radiation stuff just hype?

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RE: Radiation from CRT monitor - 9/25/2008 4:10:40 PM   
Miss Giggles


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Joined: 4/18/2005
From: MI
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The radiation thing is up for debate. I'm not going to worry about it too much.

< Message edited by Miss Giggles -- 9/25/2008 4:23:39 PM >
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RE: Radiation from CRT monitor - 9/25/2008 4:29:28 PM   
LCannon


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'The short answer is that as far as we know, all types of video monitors being sold in the United States are safe for adults and small children in that they do not emit any hazardous radiation under normal operating conditions. None can be said to be "safer" than others in terms of radiation emissions, based on any of the evidence we have today...Still, as electronic products, all video monitors emit a spectrum of radiation. They all emit light; they have to for people to see the picture but that is not hazardous at the levels emitted. They all emit some RF (radio frequency) radiation from oscillator circuits. That is not hazardous to people in almost all situations but it has the potential for interfering with other electronic circuits which is why people are required to turn off such devices when taking off or landing in an airplane. Any of them that operate off the home electrical power emit some ELF (extremely low frequency) but the scientific studies to date generally indicate that is not hazardous at the levels emitted. Concerning smaller children, none of the radiations emitted by any normally operating video monitor are believed to be hazardous to them.'(Health Physics Society)

As Giggles wrote 'true believers' will believe anyway.

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my life and my death for Your Glory."(Blaise Pascal)
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RE: Radiation from CRT monitor - 9/25/2008 4:52:46 PM   
psaulm119

 

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quote:

ORIGINAL: LCannon

'The short answer is that as far as we know, all types of video monitors being sold in the United States are safe for adults and small children in that they do not emit any hazardous radiation under normal operating conditions. None can be said to be "safer" than others in terms of radiation emissions, based on any of the evidence we have today...Still, as electronic products, all video monitors emit a spectrum of radiation. They all emit light; they have to for people to see the picture but that is not hazardous at the levels emitted. They all emit some RF (radio frequency) radiation from oscillator circuits. That is not hazardous to people in almost all situations but it has the potential for interfering with other electronic circuits which is why people are required to turn off such devices when taking off or landing in an airplane. Any of them that operate off the home electrical power emit some ELF (extremely low frequency) but the scientific studies to date generally indicate that is not hazardous at the levels emitted. Concerning smaller children, none of the radiations emitted by any normally operating video monitor are believed to be hazardous to them.'(Health Physics Society)

As Giggles wrote 'true believers' will believe anyway.


Thanks to you both for your replies.

OK--does this safety mark for "any normally operating video monitor" go for a head that is 12 inches away? Or are they saying if you are 3 feet away from the monitor, its safe?

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Paul

www.paulrittman.com

Clean up your computer @ www.paulrittman.com/ComputerFirstAid.html
Post #: 4
RE: Radiation from CRT monitor - 9/25/2008 10:03:05 PM   
Rockwall

 

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Joined: 8/18/2008
From: Texas
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If anything, I would at least get a newer one than 9 years old because I would think that newer ones were manufactured better than older ones (and maybe safer). I went to Craigslist dot org and found several 17" - 19" ones for under $50. Put $40 for the max and some will surely pop up.

As for radiation, I would worry more about kids than adults. A new study this week renewed concerns about brain cancer in child around 5 years old using cell phones. I would think that a CRT emits more radiation than a cell phone:

quote:

The results indicated that people who use cell phones have double the chance of developing malignant brain tumors and acoustic neuromas, which are tumors on the hearing nerve. The study also said people under age 20 were more than five times as likely to develop brain cancer.

But Dr. Robert Hoover, director or Epidemiology and Biostatistics Program at the National Cancer Institute, said the study has not yet appeared in a peer-reviewed journal, so has not come under sufficient scrutiny. The evidence for the connection between cell phones and cancer is inconclusive and more research is needed, he said.

"Larger studies are needed to sort out chance and bias," Hoover testified.
http://www.cnn.com/2008/HEALTH/09/25/cellphones.cancer/

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