The self-diagnosis function of sensor.

传感器自诊断功能；

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In addition, it has self-diagnosis function, when the instrument goes wrong, it will be warning through sound-light system.

另外，它还具有自诊断功能，当仪表出现故障时就会通过声光形式报警。

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To make sure reliability under the wicked environment, Measure nodes also possess completed self-diagnosis function, including self-diagnosis of CPU, ROM, RAM, ADC, clock and so on.

为了保证恶劣环境条件下工作的可靠性，测量节点还具有完善的自诊断功能，包括CPU、ROM、RAM、ADC、时钟等各种自诊断。

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