Many answers to common questions about our radiation detectors can be found here. If you can’t find the answer you’re looking for in the FAQs, feel free to submit your own question and we’ll find an answer for you if we can! You can also ask questions about each FAQ in the “Comment on this FAQ” section if you need some elaboration on the answer.
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Both models share the same specifications of operating range, meter face, count light and audio clicks, however the new ergonomic Monitor 4 comes with a standard 3.5mm pulse output jack where as with the original Monitor 4 that option was a special order item.
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Technically, you can use the kusnetz method or the tsivoglou method with our instruments for radon detection, however, these tests should be preformed by a trained professional. There are much more practical commercially available tests for detecting radon. These are available at many home improvement stores, or you can contact your local RSO or Radiological Health Department for more information.
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Yes, you can. There is no issue using a Lithium batteries in our detectors instead of alkaline.
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If the average background rate is 65 cpm (1961 counts divided by 30 minutes) there will be, on average, a little over 1 count observed in each one-second interval. In practice, most 1-second intervals will have 0, 1, or 2 counts, as we can't have a non-integer number of counts. Several will have 3, and a handful will have 4. Since the dwell time is 1 second and the display is cpm, the count from each second is multiplied by 60 to make "instantaneous cpm". For 1 count, the display will put a point at 60 cpm. For 2 counts, the display will put a point at 120 cpm. For 3 counts, the display will put a point at 180 cpm. For 4 counts, the display will put a point at 240 cpm. Average those values over a longer period of time and the rate will be around 65 cpm. Statistics are integrally linked with radiation measurements. This is exacerbated with (1) low count rates and (2) short dwell times. It is recommended that the dwell time be set to something closer to what the SEI Inspector uses, which would be around 30 seconds.
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The default passkey / password is "1234"
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