Prepaid Water Meter LoRa Wan STS Standard Class B Accuracy Plastic
Body IP67 Water Proof for Tanzania
LoRaWAN (Long - Range Wide - Area Network) Technology
LoRaWAN technology is a low - power, long - range, and wide -
coverage wireless communication technology based on the LoRa
modulation technique.
Key Features
- Long - Distance Communication: LoRaWAN technology can achieve a communication range from several
kilometers to dozens of kilometers. In open rural areas, the
communication distance can reach about 15 kilometers, and in urban
environments, it can also reach 2 - 5 kilometers. This meets the
needs of remote device connection. For example, environmental
monitoring devices in remote areas can transmit data to the central
server through this technology.
- Low Power Consumption: LoRaWAN devices have extremely low power consumption during
operation. Battery - powered devices can have a battery life of
several years or even more than a decade. This reduces the trouble
and cost of frequent battery replacement and is suitable for remote
or mobile devices with strict power consumption requirements, such
as sensor nodes in the wild.
- Wide - Area Coverage: A single LoRaWAN gateway can cover a vast geographical area. It
can provide stable network connections in different terrains and
environments such as cities, rural areas, and mountainous areas,
facilitating the deployment of large - scale Internet of Things
(IoT) devices.
- High - Capacity Connectivity: A LoRaWAN gateway can support the connection of up to tens of
thousands of devices, meeting the need for a large number of
devices to access the network simultaneously in large - scale IoT
applications. For example, it can connect street lights, traffic
sensors, and environmental monitoring sensors in a smart city.
- High Security: The LoRaWAN protocol provides end - to - end encryption, using
encryption algorithms such as AES - 128 to ensure the security and
privacy of data during transmission. This prevents data from being
stolen or tampered with and ensures the reliability of IoT
applications.
- Spectral Flexibility: LoRaWAN operates in the unlicensed ISM (Industrial, Scientific,
and Medical) frequency bands, such as 433MHz, 868MHz, and 915MHz.
This reduces the cost and threshold of network deployment.
Enterprises and developers can flexibly choose the frequency band
according to actual needs.
Network Architecture
The network architecture of LoRaWAN mainly consists of end -
devices, gateways, network servers, and application servers.
- End - Devices: These are various sensors, smart meters, and other devices in the
IoT. They are responsible for collecting data and sending it to the
gateway through the LoRaWAN protocol.
- Gateways: Acting as a bridge between end - devices and network servers,
gateways are responsible for receiving data sent by end - devices
and forwarding it to the network servers. At the same time, they
also forward data sent by the network servers to end - devices. A
single gateway can connect multiple end - devices.
- Network Servers: They are mainly responsible for managing devices, data traffic,
and communication protocols in the network. They process and
analyze the data forwarded by the gateways and send the data to the
corresponding application servers according to application
requirements.
- Application Servers: According to different IoT application scenarios, they further
process and analyze the data to achieve functions such as remote
monitoring, management, and control of IoT devices.
Working Modes
The LoRaWAN protocol defines three working modes for end - devices,
namely Class A, Class B, and Class C.
- Class A: It is the most basic power - saving mode. After the end - device
actively sends data, it will open two short receiving windows to
wait for the server to send data. If no data is received, the
receiving window will not open again until the next time the device
actively sends data. It is suitable for devices with extremely high
power - consumption requirements and low data - transmission
frequencies.
- Class B: Based on Class A, the end - device will open additional receiving
windows at specified times according to the time - synchronization
beacons sent by the gateway, so that the server can send data to it
more promptly. It is suitable for devices with certain requirements
for data - receiving timeliness.
- Class C: The receiving window of the end - device is almost always open,
only briefly closed when sending data. The server can send data to
it at any time, with the lowest data - transmission delay, but
relatively high power consumption. It is suitable for devices with
extremely high requirements for data timeliness and less strict
requirements for power consumption.
Application Areas
- Smart Agriculture: It can be used to monitor soil moisture, temperature, nutrients,
and other information in farmland, as well as environmental
parameters and animal health status in farms. This helps farmers
achieve precision irrigation, pest control, and optimization of the
breeding environment, improving agricultural production efficiency
and the quality of agricultural products.
- Smart Cities: It enables remote monitoring and management of street lights,
traffic flow, environmental quality, smart water meters, smart
electricity meters, and other devices, improving the operational
efficiency and management level of cities and realizing energy -
saving, emission - reduction, and resource optimization.
- Industrial Internet of Things: It is used to monitor the operating status, production data, and
environmental parameters of industrial equipment, realizing remote
maintenance, fault - warning, and automated control of the
production process, improving the efficiency and reliability of
industrial production.
- Smart Logistics: It can be used for real - time positioning and tracking of
transport vehicles and goods, and monitoring the temperature,
humidity, and other states of goods to ensure the safe
transportation and on - time delivery of goods and improve the
efficiency and service quality of logistics distribution.
- Smart Homes: It enables remote control and intelligent management of home
appliance devices, security systems, and lighting systems,
improving the comfort and security of homes.
- Smart Healthcare: It can be used for remote medical monitoring, such as real - time
collection and transmission of patients' vital sign data, enabling
medical staff to promptly understand the changes in patients'
conditions and provide more - timely medical services. It can also
be applied to hospital equipment management and drug traceability.
Features
a) Easy to integrate thrid payment platform, such as M-pesa,
pay-as-you-go, USSD, SMS.
b) Strictly compliant with STS standard
c) Class B accuracy
d) Tamper and fraud proof
e) Configurable Low credit warning, emergency overdraft limit,
f) Multi-tariff setting
g) LCD display and counter display
Key benefits
1) Easy and quick installation
2) Easy vending for both utility and consumers
3) Quick cash back and instant money flow
4) Setting for free basic water, and debt recovery
5) Applicable for multi-dweller complex and tenants submetering
scenarios
6) Zero maintenance cost
Specifications:
Nominal size |
Dn |
mm | in-line |
15 | 20 | 25 |
Maximum flow rate | Q4 | m3/h | 3.125 | 5.0 | 7.875 |
Ratio “R” | Q3/Q1 | | 80 | 80 | 80 |
Permanent l flow rate | Q33 |
m3/h | 2.5 | 4.0 | 6.3 |
Transitional flow rate | Q22 | 0.05 | 0.08 | 0.126 |
Minimum flow rate | Q11 | 0.031 | 0.05 | 0.0787 |
Minimum reading |
m3 | 0.0005 |
Maximum reading | 99999 |
Maximum Permission Error (MPE)
Q1≦Q≦,Q2 MPE =+ 5% Q2≦Q≦Q4, MPE= + 2% (For hot water metering, MPE=+ 3%)
Dimensions and diagram
Nominal size | Length | Width | Height | Thread |
mm | D |
15 | 165 | 101 | 124 | G3/4B |
20 | 195 | 101 | 124 | G1B |
25 | 225 | 101 | 124 | G5/4B |
Advantage Of Single Phase Electric Meter
1) Easy to deploy and maintenance
2) Increased tamper protection
3) Low operational cost
4) Optical port offers simple interrogation
5) Broad range of engineering settings
6) 15 year designed lifespan
Our service:
1. We will reply you as soon as possible after receiving your
enquiry.
2. We can offer both OEM and ODM service according to customers'
request.
3. If novelties exist in any non-human-made problems, please
contact us at your first
time and we will offer you a satisfactory solution according to
actual situation.
4. The lead time of samples would be 1-7 days.