All you have to do is build such a lousy case for the latest GMC-600 that all sensitivity is ruined!īut it would be a miracle if GQ could build a counter, by any means, with a HIGHER sensitivity than the tube-manufacturer had determined. So while before GQ, by some magic, claimed a higher sensitivity than even the tube-manufacturer, now they are claiming a much worse sensitivity. Now this expensive tube has become 2.1 fold worse, being almost on par with the much cheaper M4011 tube?Īnd before the 420, GQ had the very same tube firmware-defined at 379.Īnd this while the tube manufacturer had never changed their specification of the tube, which had been and still is 348 CPM/(µSv/h) The firmware as recent as 2.42 had this at 420!!! ![]() Then the magnitude of the sensitivity is a surprise. So essentially you don't need 6, nor 5, nor 3 calibration points - but just a single one! ![]() Then all 5 value-pairs (where is the 6th, which was previously declared to be so essential?) code for the same 200 CPM/(µSv/h). If you take the inverse of sensitivity, you end with what GQ is using as a "calibration" factor.įirst note that you need Dose- rates, thus it should not be "µSv" but "µSv/h". Likewise for the other points I show all in the table. I am calculating the tube Sensitivity from these values, which results simply from the division of CPM by µSv/h, so e.g. The "6 calibration points" shown above, read-out from a 600+ counter with the "GQ Pro software", yield interesting but nonsensical data. There are more miracles than meets the eye! ![]() “If you want to find the secrets of the universe, think in terms of energy, frequency and vibration.” When are you going to update this software? Last update was 2020, many of us have paid for it but it's features are far surpassed by the free GeigerLog software?įor instance there are now 6 calibration points in the latest firmware of my 600+ why is #6 point greyed out in the Pro software? GQ GMC Data Logger PRO Software feature requests GQ Electronics Technical Support Forum - GQ GMC Data Logger PRO Software feature requests
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