Manhole Cover Sensor
Smart covers abnormal monitoring sensors installed in the wells below the horizontal wells placed in a normal state, when the manhole cover is tilted and triggers an alarm condition is reached (for example: tilt angle is greater than 10 ° (angle can be set)), the sensor will trigger an alarm and alarm signal over the wireless network to send a certain protocol format to the AP / relay, and then by the AP / relay transmission to the back of the data center system to resolve and determine alarm.This device uses 433M wireless communication method for monitoring the state of the covers, in order to achieve effective management of the state and covers covers real-time prevention.
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