![](https://laboratoryplasticwarepolylab.com/wp-content/uploads/2017/02/76-3.jpg)
Instrument consists of power supply for G.M. Tube with digital readout meter. 6 digit counting system with its power supply. Controls for reset, start & stop through in panel. One presetable timer with 3 digit display & thumb wheel switch. Complete with G.M. Tube stand & one radio active source B.