GM-10/45 Radiation Detector (RAD) GM-10/45 Radiation Detector - A software utility that helps you monitor local radiation levels.
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GM-10/45 Radiation Detector (RAD) Description

GM-10/45 Radiation Detector - A software utility that helps you monitor local radiation levels. A geiger counter works by detecting the ionization produced by a radioactive particle. Each time a particle of radiation is detected, the counter records this event.The number of events recorded over a period of time indicates the amount of radiation present. Often this is done over one minute intervals, resulting in the familiar "counts per minute" or CPM. The higher the CPM, the higher the radiation levels. The GM-10, GM-45, GM-90, and GM-180 contain one or more thin window geiger mueller tubes, capable of detecting alpha, beta, and gamma / x-ray radiation. Each time a radiation particle enters the sensing window, it is detected, and the software on the attached computer is informed of this event. The GM-50 contains a tube sensitive only to gamma / x-ray radiation (and some very high energy cosmic rays). The difference between the models is the size of the tube - the GM-45 has a much larger surface area tube (over 23 times as large). This means that it can detect many more particles, giving a better reading. The GM-90 and GM-180 contain two and four such tubes. By adding up the number of detections per minute, the Counts Per Minute (CPM) is calculated and displayed. This number is a relative indicator of the amount of radiation present. This can also be converted into other measurement units, such as mR/hr, uSv/hr, etc for various gamma energies, with Cs137 and Co60 being the most common. Due to various sources of radiation, both man-made (fallout from nuclear testing in the 1950's and 1960's) and natural (such as radon, cosmic rays, and the like), there is always some background radiation present. This background radiation level varies, depending on your location, and even the local weather. There are also short term statistical variations. This means that the CPM will vary over a scentered over what can be considered the actual average value. Since these detectors are self powered by the computer's serial port, you don't need any batteries or external power adapters! You can operate them anywhere you can take your computer or laptop!Requirements:· Available serial port (serial to USB adapter may be used) · USB Port for USB detectors Limitations:· The unregistered version operates for 10 minutes only. What's New in This Release: · Bug fix - manual axis scaling not working. · Bug fix - Option to auto-save graph image was saving the previous graph. · Bug fix - PNG images not always correctly written.

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