Types
The three basic types of gaseous ionization detectors are:
- ionization chambers
- proportional counters
- Geiger-Müller tubes
All of these have the same basic design of two electrodes separated by air or a special fill gas, but each uses a different method to measure the total number of ion-pairs that are collected. The strength of the electric field between the electrodes and the type and pressure of the fill gas determines the detector's response to ionizing radiation.
Read more about this topic: Gaseous Ionization Detectors
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