ATOMIC PHYSICS AND RADIATION •
PHYSICS
A
B
A Geiger-Muller Tube Mullard ZP1481 This sensitive GM tube is ideal for detecting alpha, beta and gamma radiation and is recommended as a general purpose tube. The GM tube must be used with the GM Tube Holder (see below). A removable protective mesh cap of plastic is fitted over the window and the body has a thin plastic coating. • Sensitive to α, β & γ radiation. • Threshold voltage (max.) 370V • Plateau length (min.) 100V • Operating temperature -55 to +75°C • Dead time 100µs • Anode/Cathode capacity 3.5pF • Sensitivity for 1mR/L radium 1650 counts min-1 • Window thickness 2.5 mg cm-2 • Halogen quenched metal tube with thin end window • Dimensions overall 76 x 26mm diameter
B8A49724
each £314.95
B Geiger-Muller Tube Holder
A cylindrical metal body 63 x 35mm diameter x depth which houses the tube socket and is mounted on a sheet metal stand with resilient rubber-strip feet. A captive co-axial connecting lead 1m long is provided, terminating in a standard BNC connector. A 2.2 MΩ protective stabilising resistor is internally wired in series with the anode connection.
B8H27155
CROSS REFERENCE
CROSS REFERENCE
Radioactive Sources see page 186
BNC to 4mm Socket Adaptor see page 464
each £93.25
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120 4520 8am-5:30pm Monday to Friday
CYANMAGENTA YELLOW BLACK PANTONE 266 CV
0189UKEO15_PHESPHY.pgs
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