Ultrasonic Water Meter

Your Professional Ultrasonic Water Meter Supplier

Ningbo Water Meter (Group) Co., Ltd. is one of the world's largest manufacturers specializing in water meter production and services. NWM offers a comprehensive range of products, including water meter terminals ranging from 8mm to 500mm for mechanical water meters, AMR-enabled mechanical meters, fully digital water meters, and multifunctional water monitoring terminals. Additionally, NWM provides a Smart O&M Platform that integrates advanced water management information systems such as pipeline GIS, DMA zoning analysis, SCADA leak monitoring, and pipeline inspection. These solutions are widely applied in domestic, commercial, industrial, and irrigation contexts.

Strong Competence
Ningbo Water Meter (Group) Co., Ltd. is a leading enterprise in the field of water measurement, employing over 1,400 professionals and operating a primary manufacturing facility spanning 90,000 square meters.

Advanced Technology
NWM leverages cutting-edge German technology and utilizes fully automated European-imported equipment to deliver comprehensive solutions tailored for municipal, commercial, and agricultural customers.

Diverse Product Portfolio
With a portfolio exceeding 1,000 distinct products, NWM not only manufactures mechanical water meters ranging from 8mm to 500mm but also provides AMR/AMI solutions and smart water management services to a global clientele.

Advanced Equipment
Our company has more than 80 fully automatic and semi-automatic water meter calibration production lines. We also have highly information-based production workshops, SMT welding lines, robotic assembly lines, and fully automatic packaging lines.

Residential Ultrasonic Water Meter
Brand Name: NWM
Model: UL-DW-PLUS
Type: Ultrasonic
Body Material: Brass
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Ultrasonic Bulk Water Meter
Brand Name: NWM
Model: UL-BW
Type: Ultrasonic
Body Material: Ductile Iron
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Parameter

Model	UL-DW-PLUS	UL-BW
Type	Ultrasonic	Ultrasonic
Body Material	Brass	Ductile Iron
Ratio	R250/500/800	R250
Size	Dn15 / 20 / 25 / 32 / 40	Dn50 / 65 / 80 / 100 / 125 / 150 / 200 / 250 / 300
Customized Support	OEM, ODM	OEM, ODM
Communication Port	NB-IoT / LoRa / LoRaWAN / M-Bus / RS485 /Optical(infrared ray) / Pulse	NB-IoT / LoRa / LoRaWAN / M-Bus / RS485 / GPRS / Pulse
Installation Mode	Any Position	Horizontal Installation
Temperature Class	T30 (cold water)/T50	T30 (cold water)/T50
Pressure Rating	MAP16	MAP1.6
Certificate	MID 2014/32/EU (In processing)/WRAS	MID 2014/32/EU (In processing)/WRAS
Place of Origin	Ningbo, China	Ningbo, China
Warranty	2 years	2 years

Types of Ultrasonic Water Meter

Transit-time ultrasonic flow meters
Transit-time ultrasonic flow meters use two transducers - one upstream and one downstream of a calibrated sleeve. The transducers are both ultrasonic transmitters and receivers. Both function and operate alternatively using a signal, like frequency modulated bursts of sound energy that flow through the fluid between the two transducers.

Doppler ultrasonic flow meters
Doppler ultrasonic flow meters are used to measure liquids that may contain debris, bubbles, or gases with particles that have sound-reflecting particles, as well as other mixtures of fluids that have a density that is less than that of water.

Advantages of Ultrasonic Water Meter

01/

High measurement accuracy: Ultrasonic water meter can ensure the accuracy of measurement in the whole life cycle, and does not change due to time. Compared with ordinary mechanical water meter, it has the advantages of high measurement accuracy, good reliability, long service life and so on.

02/

High sensitivity, easy maintenance: Ultrasonic water meter can detect small changes in velocity. At the same time, almost no requirements for the measured medium, with an extremely wide range ratio, in addition to the ultrasonic water meter structure is simple, easy to maintain, very suitable for civil and industrial measurement.

03/

Water quality adaptability: Ultrasonic water meter is not subject to impurities such as gravel weeds in the medium, chemical substances, magnetic substances interference, can be said to fully adapt to the current water quality in China.

04/

Good reliability: Ultrasonic water meter product structure and principle to ensure that the water meter can work for a long time under high pressure, low temperature, immersion conditions will not be damaged.

Applications of Ultrasonic Water Meter

Agricultural Irrigation System
Agriculture is one of the largest consumers of water globally, and efficient water management is crucial for sustainable farming practices. Ultrasonic water meters play a pivotal role in optimizing water usage in agricultural irrigation systems. These meters provide accurate real-time data on water flow, enabling farmers to monitor and adjust irrigation practices with precision.

Industrial Water Management
Industries that rely heavily on water for their operations, such as manufacturing, chemical processing, and food and beverage production, require precise water management to ensure operational efficiency and compliance with environmental regulations. Ultrasonic water meters offer reliable solutions for monitoring water usage in industrial settings.

Commercial Building Management
In commercial buildings, such as office complexes, hotels, and shopping malls, efficient water management is essential for reducing operational costs and promoting sustainability. Ultrasonic water meters offer a range of benefits for commercial building management. Throughout a building, these meters can be installed in various locations to monitor water usage across different zones, floors, or departments.

Energy Sector
In the energy sector, water management is crucial for the cooling processes and operational efficiency of various energy production facilities, including power plants and refineries. Ultrasonic water meters have become essential in this industry for several reasons. Their precise measurement capabilities help ensure cooling systems perform proficiently, minimizing water waste and optimizing energy production.

Installation and Layout Requirements for Ultrasonic Water Meters

One-way flow or two-way flow

Usually one-way flow, but it can also be designed to be two-way flow through more complex electronic circuits. At this time, the length of the straight pipe sections on both sides of the flow measurement point should be arranged according to the requirements of the upstream straight pipe section.

Installation position and flow direction

The flow sensing part of the ultrasonic water meter can generally be installed in horizontal, inclined or vertical pipes. It is best to choose a place where the vertical pipeline flows from bottom to top. If it is from top to bottom, there should be sufficient back pressure downstream. For example, there should be a follow-up pipeline higher than the measurement point to prevent the non-full pipe flow at the measurement point. .

Pipeline conditions

The deposition layer on the inner surface of the ultrasonic water meter pipe will cause poor sound transmission and deviation from the expected channel path and length, which should be avoided; the outer surface is less affected because it is easy to handle. The transducer and pipe contact surfaces should be coated with couplant. It should be noted that the pipeline of granular structure materials, is likely to be dispersed by the sound waves, most of the sound waves will not be transmitted to the fluid and reduce performance.

The Main Difference Between Ultrasonic Water Meter, Mechanical Water Meter, Electromagnetic Flow Meters

Feature	Mechanical Water Meter	Ultrasonic Water Meter	Electromagnetic Water Meter
Measurement Principle	Physical displacement	Acoustic principle	Electromagnetic induction
Moving Parts	Yes	No	No
Accuracy	Medium	High	High
Turndown Ratio (R)	Low	Wide	Wide
Pressure Loss	Significant	Minimal	Nearly zero
Water Quality Requirements	Sensitive to impurities	Sensitive to bubbles/particles	Requires minimum conductivity
Starting Flow	Relatively high	Extremely low	Low
Power Requirement	Not needed	Required	Required
Smart/Communication	Basic models lack	Ideal for smart systems	Ideal for smart systems
Installation	May have orientation limits	Flexible	Flexible
Durability/Lifespan	Relatively short	Long	Long
Interference Resistance	Vulnerable to magnetic fields	Resistant to magnetic fields	Resistant to external fields
Cost	Low	Medium to high	High
Typical Applications	Residential/small commercial	Residential/commercial/industrial/DMA	Industrial/water plants/trade settlement

Packaging and Shipping

Packaging

Standard cartons box packing,or customized packing as your request.

Shipping

For the weight is under 100kg, we suggest shipment by FedEx, DHL or UPS.

For the weight is between 100-200kg, we suggest shipment by air.

For the weight is above 200kg, we suggest shipment by sea.

Our Certifications

NWM has more than 20 European MID/OIML approved Certificates like CE, more than 10 Water Sanitary Certifications like ACS, WRAS, NSF, and more than Metrologic approval from all over the world.

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FAQ

Q: What is an ultrasonic water meter?

A: An ultrasonic water meter is a type of flow measurement device that uses ultrasonic waves to measure the flow rate of water in a pipe. It operates on the principle of measuring the time difference of ultrasonic waves traveling upstream and downstream in the flowing water.

Q: How does an ultrasonic water meter work?

A: Ultrasonic transducers are installed on the outside of the water pipe. When water flows, ultrasonic waves are emitted and received by these transducers. The time it takes for the ultrasonic waves to travel upstream against the water flow is longer than the time to travel downstream with the flow. By calculating this time difference and using the known distance between the transducers, the flow velocity of the water can be determined, and from that, the volume of water flowing through the pipe can be calculated.

Q: Are ultrasonic water meters suitable for all types of water?

A: Ultrasonic water meters can be used for clean water, potable water, and many types of industrial process water. However, in water with a high concentration of suspended solids, air bubbles, or very high viscosity, their performance may be affected. In such cases, proper pretreatment of the water or selection of a more suitable model may be required.

Q: How often does an ultrasonic water meter need maintenance?

A: Since they have no moving parts, ultrasonic water meters generally require less maintenance compared to mechanical meters. However, periodic inspection of the installation integrity, checking for any damage to the transducers or wiring, and ensuring the proper functioning of the signal processing unit are still recommended, usually once a year or as per the manufacturer's guidelines.

Q: How accurate are ultrasonic water meters?

A: High - quality ultrasonic water meters can achieve an accuracy of ± 1% to ± 2% of the measured flow rate under normal operating conditions. But factors such as improper installation, incorrect pipe conditions, or interference can reduce the accuracy.

Q: Can ultrasonic water meters measure both low and high flow rates?

A: Yes, ultrasonic water meters are designed to measure a wide range of flow rates. They can accurately measure very low flow rates, which is useful for detecting small leaks, and also high flow rates typical in industrial and large - scale water distribution applications.

As one of the most professional ultrasonic water meter manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy bulk cheap ultrasonic water meter made in China here from our factory. Contact us for customized service.

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