Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of plastic body dn15~20 ultrasonic water meter with lora communication in China. If you're going to wholesale high quality plastic body dn15~20 ultrasonic water meter with lora communication, welcome to get pricelist and quotation from our factory.
Product Description

The ultrasonic water meter is an advanced metering device that uses ultrasonic technology to measure water flow. It is widely used in urban water supply, agricultural irrigation, and other fields. Its working principle is based on the ultrasonic time-difference method, which calculates the flow velocity and flow rate by measuring the difference in the propagation time of ultrasonic signals traveling downstream and upstream.
Product Features
- Bidirectional Measurement: Capable of measuring both forward and reverse water flow, making it suitable for complex pipeline networks and enabling accurate water usage statistics.
- High Accuracy: Ultrasonic water meters provide precise readings under various flow conditions. Compared to traditional water meters, they offer significantly improved measurement accuracy.
- No Moving Parts: With no internal moving components, no wear could affect accuracy. The water meter is also unaffected by impurities in the water, resulting in a longer service life and reduced maintenance frequency and cost.
- Powerful Data Transmission Capabilities: Equipped with comprehensive communication interfaces, it supports multiple communication methods, such as RS-485 Modbus, NB-IoT, and GPRS. This enables remote meter reading and valve control and facilitates centralized and intelligent water management.
LCD Indications and Alarms

1. Signal strength 2. Fehler /Alarm 3. Water temperature 4. Time
5. Water flow indication 6. Time 7. Verification status 8. Sensor status
9. Battery voltage 10. Unit 11. Flow direction
Products Parameters
| Nominal Diameter | mm | 15 | 20 | ||
| Q3/Q1 | R250 | R400 | R250 | R400 | |
| Overload Flow Rate(Q4) |
m3/h
|
3.125 | 5 | ||
| Nominal Flow Rate(Q3) |
m3/h
|
2.5 | 4 | ||
| Transitional Flow Rate(Q2) | l/h | 16 | 10 | 3.2 | 5 |
| Min Flow Rate(Q1) | l/h | 10 | 6.25 | 2 | 3.125 |
| Starting Flow Rate | l/h | 5 | 5 | ||
| Accuracy Class | Class 2 | ||||
| Temperature Class | T50 | ||||
| Maximum Admissible Pressure |
PN16 | ||||
| Pressure Loss Classes | 0.25bar | ||||
| Bectromagnetic Environmental Cass |
E1 | ||||
| Environmental Classification | O | ||||
| Protection Class | IP68 | ||||
| Installation Direction | Any angle | ||||
| Flow Profile Sensitivity Class | U5/D3 | ||||
| Battery Lifetime | >8 years | ||||
| Display | LCD, 9 digits + additional characters | ||||
| Communication Interface | RS485/LoRa/LoRawan | ||||
Application
1. Urban Water Supply System
- Residential Community Water Metering
High-precision metering, especially suitable for high-rise buildings and low-flow water usage environments.
Supports remote meter reading and intelligent management;
Can be integrated with IoT platforms to enable real-time water usage monitoring and data analysis.
- Commercial Users
Accurate metering of high-volume water usage, suitable for shopping centers, office buildings, factories, etc.
2. Smart Water Management Development
- Smart Water Systems in Smart Cities
Integrated with communication technologies such as NB-IoT and LoRa to enable remote data transmission;
Capable of real-time monitoring of anomalies such as leakage, backflow, and water theft;
Enhances water supply scheduling efficiency and optimizes water resource allocation.
- Operational Optimization for Water Utilities
Reduces leakage rate through accurate metering and data analysis;
Optimizes water supply network design and lowers operational costs.
R&d center and production base

our client

exhibition

After-sales support

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