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NB-IoT DC410 Smart Manhole Sensor
The DC410 smart manhole Sensor is specially designed for the detection of well covers such as electrical and sewage system. When the well cover shift, open or other abnormal situation appears, the device can timely alarm output to the use to indicate the current situation or status.
标签:  NB-IoT sensor manhole cover  well cover  Level Liquid level Shift tilt level sensor Ultrasonic Ultrasonic level sensor Manhole cover sensor Well cover sensor