Grid Ionization Chamber
Purpose
Large-area grid ionization chamber is an instrument independently developed by Jiechuang Nuclear Instruments (Beijing) Technology Co., Ltd. for low-level alpha radioactivity spectrum measurement. It can perform non-destructive and accurate qualitative and quantitative measurement of large-area flat radioactive samples.Composition
Large-area grid ionization chamber mainly includes the main body of grid ionization chamber, vacuum and gas supply system, digital MCA and upper computer software, etc. The main body of grid ionization chamber is mainly composed of three parts: sealed shell, electrode system and preamplifier circuit. Among them, the sealed shell can ensure the required vacuum degree, gas filling and atmosphere maintenance; the electrode system is used to generate electric field, collect ions and electrons and output signals; the preamplifier circuit is used for ionization chamber signal acquisition, amplification and output.
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