The Mullard ZP1481 Geiger-Muller Tube is a halogen quenched metal tube with a thin end window!
It is used for detecting alpha, beta and gamma radiation and is recommended as a general purpose tube for use with radioactive sources in schools.
A removable protective mesh cap of plastic is fitted over the window and the body has a thin plastic coating.
Mullard ZP1481 Features:
- Sensitive to alpha, beta and gamma radiation
- Threshold voltage: max. 400V
- Plateau length: min. 100V
- Recommended supply voltage: 450V
- Operating temperature: -40 to +75°C
- 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. 25°C: 5x10¹° counts
An appropriate Geiger-Muller Tube Holder is essential to start experimenting with this GM Tube. Usually GM Tube Holders are sold separately.
This post is based on information found at https://www.findel-international.com/
And, below is the link to get more details about Mullard ZP1481
According to Wikipedia, The Geiger–Müller tube or G–M tube is the sensing element of the Geiger counter instrument used for the detection of ionizing radiation.
It is named after Hans Geiger, who invented the principle in 1908, and Walther Müller, who collaborated with Geiger in developing the technique further in 1928 to produce a practical tube that could detect a number of different radiation types.
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