Residential Smart Ultrasonic Water Meter
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Product Highlights
- Ultrasonic Measurement Principle: Ensures reliable, long-lasting precision for domestic and commercial applications.
- 2-Year Warranty Coverage: Comprehensive warranty protection for all mechanical equipment.
- OEM and ODM Support: Customization available from samples with dedicated R&D engineers.
- Multiple Communication Ports: Supports NB-IoT, LoRa, LoRaWAN, M-Bus, RS485, Optical, and Pulse.
- Wide Size Range: Available in Dn15, 20, 25, 32, and 40mm for versatile installation.
- High Accuracy Ratios: Offers R250, R500, and R800 ratios for precise flow measurement.
- International Certifications: Complies with MID 2014/32/EU, WRAS, ISO, and CE standards.
- Smart Display Interface: Shows instantaneous flow, accumulated flow, signal status, and reverse flow.
Product Attributes
- Customization
- Available
- After-sales Service
- Support
- Warranty
- 2 Years
- Model NO.
- UL-DW-PLUS
- Install
- Horizontal
- Medium Temperature
- Cold Water
- Level Measurement
- D
- Counter Instructions
- Digital
- Nominal Diameter
- 15-50mm
- Application
- Civil
- Principle
- Ultrasonic
- Medium Pressure
- General Water Meter
- Work Environment
- Dry Water Meter
- Stucture
- Wireless Communicating
- Transport Package
- Pallets
- Specification
- CE approval
- Trademark
- NWM or OEM
- Origin
- Ningbo, China
- HS Code
- 90282010
- Production Capacity
- 500, 000/Year
Product Images of Residential Smart Ultrasonic Water Meter
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Product Description

Brand Name | NWM |
Model | UL-DW-PLUS |
Sort | Smart |
Type | Ultrasonic |
Body Material | Brass |
Ratio | R250/500/800 |
Size | Dn15 / 20 / 25 / 32 / 40 |
Customized Support | OEM, ODM |
Communication Port | NB-IoT / LoRa / LoRaWAN / M-Bus / RS485 /Optical(infrared ray) / Pulse |
Installation Mode | Any Position |
Temperature Class | T30 (cold water)/T50 |
Pressure Rating | MAP16 |
Certificate | MID 2014/32/EU (In processing)/WRAS |
Place of Origin | Ningbo, China |
Warranty | 2 years |
Display Interface | Instantaneous Flow, Accumulate Flow, WirelessSignal Working Status, ReverseFlow Detect... |



A1: This is a ratio Q3/Q1. Q3 is permanent flow rate, Q1 presents minimum
flow rate. The larger the ratio, the more accurate the count.
A2: Generally, our water meter could be made of plastic, stainless-steel, brass, etc.
A3: We have complete certifications like ISO, CE, WRAS, etc. Our products
are examined strictly before shipment.

About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR243200". Items marked "" are certified.
Company Profile
Ningbo Water Meter Co., Ltd. is the largest water meter manufacturer in China and also the world's largest production base of water meters, has built up a worldwide reputation for quality and precision in water meter industry.
Ningbo Water Meter Co., Ltd. Who takes the quality of products as the life of the enterprise, consistently focuses on brand building and product quality. At the late 1980s, our products had won the honorary of the National Golden and Silver Medal. In 1990s we are the only enterprise in water meter industry which won the honor of China Famous Brand, Certificate for Product Exemption from Quality Surveillance Inspection, China Top Brand for twice times. In 1994, we were the pioneer of leading through the ISO9000 Quality System Certification.
In half a century process of enterprise development, Ningbo Water Meter Co., Ltd. Set up an engineering center at the provincial level, equipped with various types of advanced scientific research facilities, continuously specializes in innovative water measurement technologies, developing, manufacturing.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 355, Hongxing Road, Jiangbei District, Ningbo, Zhejiang, China
-
Plant Area
- 23330 square meters
-
Number of Employees
- 1419
-
Registered Capital
- 203,242,000 RMB
-
Terms of Payment
- T/T, LC, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 1 Pcs
-
Supply Chain Partners
- 200
Our Production Capability & Technical Expertise
-
Main Products
- Water Meter
-
Production Lines
- 20
-
Production Machines
- SMT Facility, Automatic Welding Facility, Automatic Packaging Facility, Glue Potting Facility, Japanning Facility, AGV Robot
-
QA/QC inspectors
- 83 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 133 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1958-01-01
-
Export Year
- 40 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 14
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- Yes
FAQ
- What do R80, R100, R160, R200, and R400 represent?
- These are flow ratios. Q3 is the permanent flow rate and Q1 is the minimum flow rate. A larger ratio indicates higher counting accuracy.
- What materials are used for the water meter?
- Our water meters are generally available in plastic, stainless steel, and brass.
- What certificates do your products have?
- We hold complete certifications including ISO, CE, and WRAS. All products undergo strict examination before shipment.
- What is the warranty period for this meter?
- We provide a 2-year warranty for this product.
- What are the available nominal diameters?
- The meter is available in sizes ranging from Dn15mm to Dn40mm.
- Does the meter support customization?
- Yes, we offer OEM and ODM services with customization options available from samples.
- What communication protocols are supported?
- The meter supports NB-IoT, LoRa, LoRaWAN, M-Bus, RS485, Optical (infrared), and Pulse interfaces.
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