High-accuracy current transformer
Tuned-CT
Bergoz Instrumentation
Narrowband Current Transformer
For beam loss monitoring in low energy hadron accelerators
Measures current difference between two monitoring points with 0.05% resolution, e.g. measures 5% loss with 1% resolution
To keep machine activation low enough for hands-on maintenance, personnel safety and environmental protection
To protect machine parts from beam radiation damage
To achieve efficient beam transport
To measure beam loss along an accelerating structure, when no secondary particles can exit the vacuum chamber, the only option is to measure the beam current at regular intervals. Non-interceptive current transformers can be used for this purpose.
Wideband transformers cannot measure the beam current accurately because their response is dependant on the frequency spectrum, thus dependant on the bunch width.
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