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Operation and adjustment of the portable Geiger-Muller counter, type RL202

Created 17/10/2025

Updated 10/01/2026

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This instrument has been designed in the Radiometric Laboratory of the Bureau of Mineral Resources, t o meet the needs of those uranium prospectors who wish to build Geiger counters. The circuit has been designed so that it can be adjusted with a minimum of test equipment. Indication of the count rate is provided by a ratemeter with three ranges; 0-200, 0-1,000 and 0-10,000 counts per minute. Earphones also provide an audible indication of the count rate. The following rate describes the operation of the circuit and the procedure to be adopted to adjust the voltage at various points in the circuit for correct operation. A schematic circuit diagram is also provided and several points concerned with the mechanical design of the instrument are mentioned.

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Title Operation and adjustment of the portable Geiger-Muller counter, type RL202
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/3acad1d4-cd51-49e2-bbcf-6544ca6dbb62
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 24/11/2025
Geospatial Coverage Australia
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Operation and adjustment of the portable Geiger-Muller counter, type RL202". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/operation-and-adjustment-of-the-portable-geiger-muller-counter-type-rl202