Virtual Valve Museum
Virtual Valve Museum | search:
About the museumMuseum exhibitsUpdates, new exhibits etc.EquipmentSupporters
View the guestbookDocumentsValves wanted!Valves for sale or for tradeLinks to other sites, suppliers etc.

CV2247 GM tube

Size This tube measures 125x32mm overall

This GM tube was used in the British Contamination Meter, No. 1.

Threshold voltage (at 20°C)315 to 375V
Operating voltage (at 20°C)355 to 415V
Plateau slope (per volt)0.07% av, 0.15% max
Plateau length150V av, 90V min
Operating temperature range-55 to +50°C
Useful life>109 counts

Donated by Danial Stocks; information provided by Dr. Herman J. Moeshart

This file was last modified 23:10:59, Friday November 02, 2012