The PWR in-core temperature detection device, which is one of measures to ensure reactor safety operation, is to monitor and diagnose reactor thermal power output and in-core power distribution.

压水反应堆堆内温度测量装置是监测反应堆热功率输出及堆内功率分布情况、保证反应堆安全运行的手段之一。该装置以热电偶作为测量元件，用不锈钢作保护外套。

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