This is a halogen quenched metal tube with a thin end window, is used for detecting alpha, beta and gamma radiation and is recommended as a general purpose tube for use with the radioactive sources
A removable protective mesh cap of plastic is fitted over the window and the body has a thin plastic coatingFeatures:Sensitive to alpha, beta and gamma radiation
Threshold voltage: max.400V
Plateau length: min.100V
Recommended supply voltage: 450V
Operating temperature: ‐40 to +75¼C
Dead time (at 450V): 120µs
Anode/cathode capacity: 3.5pF
Sensitivity for 1mR/L radium: 1650 counts min‐1
Window thickness: 2.5 ‐ 3.0 mg cm‐2
Dimensions overall: 76mm x 26mm diameter
Life expectancy at approx.25¼C: 5x10¹¼ countsThis Geiger‐Muller tube must be used with the Geiger‐Muller Tube Holder which is sold separately (B8H27155)
