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 Checking Calibration - Safety Siren Pro 3 Radon Detectors? 
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Joined: Mon Jan 28, 2013 7:40 pm
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Location: Illinois
Safety Siren Pro Series 3 Digital Radon Gas Detector

How far off were yours from each other when tested side-by-side?

If you can believe it, I never tested both my radon detectors side-by-side before. The other day I took the one from upstairs and put it downstairs on the other side of the basement from the other. One reads 3.0 and the other reads 4.5 so not I moved them side-by-side to see what I get as a reading.

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MY OUTSIDE RADIATION MONITORING STATION:
South Beloit, Illinois - GMC200 Outside on HEPA air purifier, ground level, facing West.
http://netc.com/chart/view.php?n=1%3AEB5A139C


Wed Jan 30, 2013 4:38 pm
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Location: Arkansas
I just moved them together today. I should reset them and wait 2 days. :?


Wed Jan 30, 2013 5:10 pm
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I didn't reset mine, I will just have to leave them there long enough to allow for a complete change.

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MY OUTSIDE RADIATION MONITORING STATION:
South Beloit, Illinois - GMC200 Outside on HEPA air purifier, ground level, facing West.
http://netc.com/chart/view.php?n=1%3AEB5A139C


Thu Jan 31, 2013 2:12 am
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Location: Arkansas
I did not reset the two unit and the reading were dropping over the last week but they were off 6.6 and 18.7


Thu Jan 31, 2013 10:43 am
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I just checked mine and they say 3.2 & 4.5 so I will keep watching them over the next few days to see any change.

_________________
MY OUTSIDE RADIATION MONITORING STATION:
South Beloit, Illinois - GMC200 Outside on HEPA air purifier, ground level, facing West.
http://netc.com/chart/view.php?n=1%3AEB5A139C


Thu Jan 31, 2013 3:41 pm
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Joined: Mon Jan 28, 2013 7:40 pm
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Location: Illinois
I just checked my two radon detectors again and now the one is still 4.5 pCi/L (as expected) and the other one that I moved from upstairs to the basement (still sitting right next to the other one in the basement) now reads 4.4 pCi/L so I am impressed! I will give it a few more days to see if it will reach the 4.5 level. I have no way to prove 100% that the true level of radon in my basement is 4.5 pCi/L but I can safely say these two radon detectors are calibrated the same.

_________________
MY OUTSIDE RADIATION MONITORING STATION:
South Beloit, Illinois - GMC200 Outside on HEPA air purifier, ground level, facing West.
http://netc.com/chart/view.php?n=1%3AEB5A139C


Tue Feb 05, 2013 2:49 pm
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The test results are in from checking to see how close my two radon detectors are calibrated.


Attachments:
File comment: Test results from checking to see how close my two radon detectors are calibrated.
2013-02-06_10-48-26_988.jpg
2013-02-06_10-48-26_988.jpg [ 232.9 KiB | Viewed 28078 times ]

_________________
MY OUTSIDE RADIATION MONITORING STATION:
South Beloit, Illinois - GMC200 Outside on HEPA air purifier, ground level, facing West.
http://netc.com/chart/view.php?n=1%3AEB5A139C
Wed Feb 06, 2013 12:03 pm
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Joined: Mon Jan 28, 2013 6:51 pm
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Location: Arkansas
lucky, mine are .3 difference.


Wed Feb 06, 2013 3:58 pm
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