Pictures: An excellent miniature mica window Geiger tube, suitable for detecting Alpha, Beta and Gamma radiation. As of 2015, it was selected for the uRADMonitor D series of radiation detectors. Details: Halogen quenched Geiger Muller tube, with a Mica end window making it suitable for detecting alpha beta and gamma radiation. Notes on sensitivity: The sensitivity of this miniature Geiger tube is amazing, placing it closeto the larger SBM-20. Most…