Victoreen 1B85A GM tube
|This device measures 106x22mm overall (19mm across main body).
This is a metal wall beta-gamma counter tube designed to replace thin-walled glass tubes.
(Data relates to 1B85, not 1B85A - information on any difference is needed)
|Min operating voltage||850V|
|Max operating voltage||950V|
|Min beta energy||160keV|
|Max threshold voltage||800V|
|Min plateau length||200V|
|Background (at 900V)||40 counts/minute|
|Life (at 6000 counts per minute)||108 counts||
Donated by Bill Wagner
This file was last modified
23:23:08, Friday November 02, 2012