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Manhole

Several MANHOLE devices installed in the field communicate through NB-IoT network to the cloud, where all messages and data are collected. The User application will be able to use informations collected to recognize devices status, events and to schedule maintenance. Operator will follow specific procedure for Initial set up and Battery change, or Parameter update using a mobile device connected to the device via BLE and or NFC.

 

The on board will provide the following functions:

 

● Easy setup and maintenance

● Events identification:

    ○ Manhole cover open

    ○ Manhole flooded / unflooded

    ○ Diagnostic data (e.g. battery level, temperature, …)

 

● Sending message to cloud

    ○ Normal condition message (on regular basis)

    ○ Alert message (on event)

 

 

Technical Parameter:

 

Transmitting Mode

NB-IoT

Battery Life

One year ( 20 messages a day)

Standby current

<15μA

 Working current

≤120mA

Low voltage threshold

2.5±0.1V

Transmit power

≤13dBm ( 868 MHz )

Working temperature

-10℃~+55℃

Water level detection range

0-4 m

Detection angle

30°

Size

95 x 33 x 171