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Ridge Runner | 10-05-2009 08:39 PM
Advice on radiation detectors? Looking for radiation detectors. Something that your average househould could use to measure rising radiation levels in order to leave an area at the apropriate time. For example, if a large dirty bomb was detonated in my city or nearby city. Another example would be if large bombs went off in nearby cities and I wanted to measure the danger levels outside my home. 1. Must be simple to use. 2. Must be well made. 3. Must be able to be calibrated or repaired (by a professional) 4. Does not need to be top of the line. Again, this would just be for an average family use. I want to learn more about radiation, war aftermath, radiation sickness, etc.

Dave | 10-05-2009 08:46 PM
Re: Advice on radiation detectors? One of the best reads I have had recently on the topic: http://www.oism.org/nwss/s73p912.htm Take the time to read this from cover to cover and you will learn a lot about surviving a Nuclear War and the resulting fallout. Don't believe the doom and gloom about nuclear war, it is easy survived if you keep a level head and make the right decisions. Dave

Ag_man | 10-05-2009 08:58 PM
Re: Advice on radiation detectors? Hard to beat a garden variety CDV-700 G/M counter (my avatar) for a easy to use survey meter. Combine that with a couple of dosimeters and a charger and you're set. My personal favorite is my Bicron counter with a pancake probe. Stay away from the cheap CDV-715 ion chamber units. If you get a reading from one of those, you're in deep shyte.

gypsybiker45 | 10-05-2009 09:14 PM
Re: Advice on radiation detectors? when i was in the USAF, we had a tape we stuck in our pockets, it would change colors at different levels, simple, it reacted within seconds of exposure.

rad | 10-05-2009 10:58 PM
Re: Advice on radiation detectors? http://www.bulletproofme.com/Radiation-Detection.htm

Ridge Runner | 10-06-2009 07:38 AM
Re: Advice on radiation detectors? Quote:
Originally Posted by Ag_man (Post 1956307) Hard to beat a garden variety CDV-700 G/M counter (my avatar) for a easy to use survey meter. Combine that with a couple of dosimeters and a charger and you're set. My personal favorite is my Bicron counter with a pancake probe. Stay away from the cheap CDV-715 ion chamber units. If you get a reading from one of those, you're in deep shyte.
Any recomendations on where to buy one?

JC Refuge | 10-06-2009 09:59 AM
Re: Advice on radiation detectors? http://prepared.pro/k8personalradiationdetector.aspx

shades2 | 10-06-2009 10:41 AM
Re: Advice on radiation detectors? This guy is selling used, tested Victoreen Instrument Geiger Counter CDV-715 750 ones here on eBay atm at a pretty good price: http://cgi.ebay.com.au/Victoreen-Ins...3286.m63.l1177

shades2 | 10-06-2009 10:42 AM
Re: Advice on radiation detectors? It would be interesting to wander around the house and see just how many things give radioactive readings... I have used one on a (gold) minesite and it would just sit there and click ever so often, probably due to the rock dust particles getting around. They had them because occasionally they'd dig up something slightly radioactive while blasting etc. that would need to be removed from the pits.

Hi Ho | 10-06-2009 10:54 AM
Re: Advice on radiation detectors? I own this one, the Terra-P. Seems like a good quality unit. Bought it off ebay. Brought to you by the people who survived Chernoble. http://www.linuxslate.org/Review_Terra-P.html

Hi Ho | 10-06-2009 10:56 AM
Re: Advice on radiation detectors? Quote:
Originally Posted by shades2 (Post 1957228) It would be interesting to wander around the house and see just how many things give radioactive readings... .
My kitchen tile is slightly above background levels.

Dave Thomas | 10-06-2009 11:56 AM
Re: Advice on radiation detectors? Quote:
Originally Posted by Hi Ho (Post 1957254) My kitchen tile is slightly above background levels.
I've also heard talk about Osmocote plant food having trace amounts of alpha particle emitters in it! Don't know if it's hippie propaganda or not, but next time I get my hands on a Geiger counter I'm gonna check it.

argentos | 10-06-2009 12:43 PM
Re: Advice on radiation detectors? Don't buy one if you live in a granite house! :biggrin:

Ag_man | 10-06-2009 12:59 PM
Re: Advice on radiation detectors? Quote:
Originally Posted by Ridge Runner (Post 1956920) Any recomendations on where to buy one?
I've bought most of mine on eBay, but check out the Yahoo CDV-700 group, they're a bunch of rad gear enthusiasts like me, sometimes they have gear for sale. Quote:
Originally Posted by shades2 (Post 1957225) This guy is selling used, tested Victoreen Instrument Geiger Counter CDV-715 750 ones here on eBay atm at a pretty good price: http://cgi.ebay.com.au/Victoreen-Ins...3286.m63.l1177
Like I said previously, avoid CDV-715's! They are NOT Geiger counters, but a ion chamber unit, suitable for readings in high-radiation environments. Strictly a "war meter" only.

Ridge Runner | 10-06-2009 08:19 PM
Re: Advice on radiation detectors? Quote:
Originally Posted by Ag_man (Post 1957472) I've bought most of mine on eBay, but check out the Yahoo CDV-700 group, they're a bunch of rad gear enthusiasts like me, sometimes they have gear for sale. Like I said previously, avoid CDV-715's! They are NOT Geiger counters, but a ion chamber unit, suitable for readings in high-radiation environments. Strictly a "war meter" only.
AG-MAN What would the 715's be used for? Would they compliment a 700? What instances would a 715 be useful (if at all)?

Ag_man | 10-06-2009 08:53 PM
Re: Advice on radiation detectors? Quote:
Originally Posted by Ridge Runner (Post 1958287) AG-MAN What would the 715's be used for? Would they compliment a 700? What instances would a 715 be useful (if at all)?
Like I said, they are a war meter, useful only in the case of a high radiation environment. I have the meter for a CDV-700 right here, it measures from 0 to 0.5 millirad/hour, with a scale switch (X1-X100) that allows measurements in these ranges X1: 0-0.5 mrad/hr X10: 0-5.0 mrad/hr X100: 0-50 mrad/hr It is quite sensitive to low level radiation measurements, while I believe the CDV-715 starts at 0-50 mrad/hour on the X1 scale position, useful for only high level readings. I could barely get the meter to move using some of the hottest uranium ore samples I have. My CDV-715 is packed away in the basement, so I'm not 100% on that. The other thing, it the 715, doesn't have a probe. It has an ion-chamber, which has an aluminum drum about 3" in diameter on the inside of the unit. For a CDV-700, you're likely to spend around $100.

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