NB IOT Smart Water Meters

Overview of NB IOT Smart Water Meters

NB-loT Internet of Things is characterized by strong links, high coverage, low power consumption,
and low cost. t is also called the "Narrowband Internet of Things". Using the NB-loT wireless remote water meter can realize the wireless automatic meter reading function. At the same time every day, the NB-loT module will collect and automatically transmit the water consumption data of each household to the management platform. Perform statistical analysis and charge for the water consumption of water meters in the management area. Because of its very low communication power consumption, the NB-loT wireless remote water meter can continue to work for more than six years without changing the battery.

The NB-loT system consists of the NB-loT management system platform, base stations, and loT water meters (NB-loT). The system has a high degree of automation, can monitor the operation and consumption of the meter at any time, and has a wide range of applications.

NB IOT Smart Water Meters

The water consumption data, electricity quantity, signal, and abnormal conditions of the intelligent water meter can be connected to the NB IOT network through the NB IOT communication module built into the water meter, transmitted to the IOT connection management platform, and then uploaded to the background collection and business system platform.

The background system platform will analyze the data packet, and the resolved user gas data will be settled in the user account, which will be sent through the customer service system Users can get their water bills in real-time and recharge their accounts remotely.

Technical Features of Smart Water Meters

1. Wide coverage
•20db gain, coding gain;
•lmproved narrowband power spectrum density;
•lt has a retransmission mechanism when an automatic transmission fails;

•China Mobile/Telecom's NB-loT base station has achieved full coverage

2. High Security
•Two-way authentication;
•The air interface is strictly encrypted;
•Dedicated channel, no other signal interference, and more stable data transmission

3. Big connection
• High-frequency increase efficiency;
•Small packet data sending characteristics;

•Very low activation ratio of the terminal.

4. Low power consumption
•Battery life of more than 6 years (1 day/1 communication);

•Simplify protocol and chip micro power consumption;

•High functional efficiency;
•Short transmission/reception time;

5. Product implementation standards
•ISO9001; GB/T778.1.2.3-2007;JJG 162-2009;CJ/T 188-2004.

Product Features of NB IOT Smart Water Meters

1. Periodic report: report the 24-hour data of the previous day, and the data includes daily freezing information.

2. High-frequency periodic reporting: The sending frequency can be set or changed through the platform,and the minimum reporting period is every hour

3. Intensive data collection:4 hours from the set start time, one point every 5 minutes, a total of 48 points of accumulated flow.

4. Discrete setting: Discrete the reported time points randomly through the program, the minimum estimated length is 10S, and the default is 0 to 8 points to ensure that the communication base station will not be blocked by a large amount of data in a short time.

5. Data repackaging: When data reporting is unsuccessful, the data will be automatically re-reported in the next reporting period, and data within the effective storage range can be re-reported.

6. Alarm function: When the battery Undervoltage is lower than the predetermined value, the platform will automatically alarm to remind the administrator

7. Remote setting of parameters: Through the near-end handheld infrared reading device and
communicating with the management platform, setting IP, port, and other parameters

8. Time proofreading: When the data is reported periodically, the clock will be automatically proofread with the platform to ensure the accuracy of the time

Software Advantages

1. Power supply: DC 3.6V;

2. Battery capacity and the life: 8500mAh can be used for more than 6 years (automatically uploaded once a day)

3. Shell protection grade: IP68;

4. Static power consumption: ≤10uA Communication power consumption: ≤18uA

5. Sensitivity level of flow profile: U10/D5

6. Working temperature: cold water meter: (0.1~30)℃ hot water meter: (0.1~90)℃;

7. Pressure loss:≤0.063MPa; 

8. Working pressure: ≤1.0MPa;

9. Installation environment: Class B;

10.Electromagnetic environment: E1- residential, commercial and light industry;

Water meters are closely related to our lives. With the continuous penetration of the Internet and the rapid development of technology, the operation of the water company is also constantly changing. The Internet of Things water meters have been widely used. The Internet of Things water meters are additions to ordinary mechanical water meters. It is formed by the networking module. The most popular IoT module is NB-IoT. 

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