EASYSENSOR GEIGER MULLER 3265
Connects to datalogger. Detects alpha, beta and gamma particles. Housed in a robust casing this self contained sensor comes complete with the GM tube and EHT supply. No setting up is required, deriving its power from the datalogger, the GM sensor can be used for traditional experiments eg. half-life, random events etc. 3 ranges: counts per second, accumulative count with zero reset, random event mode.