This Peramos (short for “personal radiation monitoring system”) geiger counter has been especially made for children to use. Its simple controls and display means that anyone can operate and understand this device, even youngsters. The LED lights on the counter will give quick alerts: green for normal, yellow for attention, orange for warning, and red for danger. $ 349
The alert sounds for each stage are different too, meaning you can leave the counter to one side while the kids play, knowing that if gamma radiation levels change drastically they will hear it straightaway. With full battery power it can also be used continuously for around 18 hours.
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