radioactivity – Geiger-Muller

Uses a separate Geiger probe to measure radioactive counts or count rate. Most useful are those that show the count rate at a point in time – with a fast decaying source you can plot a decay curve in real time. Its other use is for a visual display of the effect of distance, or materials on radioactivity. The types which work purely as a Geiger Counter – which accumulate counts – are best used as stand alone meters rather than with a computer. In its defence, the sensor may be better value for money than a scaler box.

I’ve rated these sensors but your assessment will be different. I give a score, out of five, for the sensor’s intrigue, interest, and learning potential. I also give a score for how often a science department might use it.

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