GEC CV2138 geiger muller tube
This tube is marked No. 8938, Volts 1410, Window weight 7MGm/cm2. Equivalent to GM4 this uses ethyl formate as a quenching agent which gives better plateau characteristics and temperature coefficients.
*: C = the total capacitance across the tube in pF
This file was last modified
23:10:50, Friday November 02, 2012