
SGLM 202K™ Steam Generator Leak Rate Monitor
Monitoring steam generator leak rate in PWR nuclear power plants by measuring ¹⁶N activity
Monitoring steam generator leak rate in PWR nuclear power plants by measuring ¹⁶N activity
Steam Generator Leak Rate Monitor
Monitoring steam generator leak rate in PWR nuclear power plants by measuring 16N activity
The SGLM 201K monitor forms part of the RAMSYS product line. It has been designed to detect and quantify leaks between the primary and the secondary circuits of a steam generator in a nuclear power plant. It operates on the principle that radioactive nitrogen (16N) produced in the reactor core during operation crosses into the secondary circuit through a steam generator tube crack (or hole). The 16N is carried away by the steam and is detected in the main steam line (MSL) outside containment.
For the SGLM 201K version: the NaI(TI) detector is wrapped with thick thermal insulation to prevent damage that may be caused by high temperature gradients.
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