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
15:19:38, Tuesday September 02, 2014
FOR SALE: Note that any valve which is not CV marked is now for sale. Contact me via email - see the home page.