GM Probe for the Philip Harris Radioactive Sensor Meter

Geiger-Muller probe for use with the Radioactive Count Rate Sensor Meter (B8H28640) via the BNC connector.
Allows detection of alpha, beta and gamma radiation.
Please Note: this GM Probe is not suitable as a replacement for the ZP1481 Tube used for the undertaking of the annual Radioactive Source Testing in schools.  It is for use with Philip Harris Radioactive SensorMeters only.