| 摘要 |
An electrical sensor is described. The electrical sensor including an electrical signal input configured to receive an electrical signal, an alarm, one or more inputs configured to set a configuration value corresponding to one or more indicators on the electrical sensor, and monitor. The monitor is coupled with the electrical signal input, the alarm, and the one or more inputs. Further, the monitor is configured to determine a characteristic of the electrical signal received on the electrical signal input. And, the monitor is configured to activate the alarm based on the configuration value set by the one or more inputs and the characteristic of the electrical signal. |
