overview
The U-WR2 is a high-end household ultrasonic water meter, built with robust composite materials and embedded with advanced IoT communication modules. Adopting a fully static structure with no moving parts, this smart water meter supports wireless data transmission and delivers ultra-high metering precision. Without mechanical wear, it ensures long-term stable measurement performance and comes with a 12-year service life. It perfectly helps water utilities, project contractors and bulk purchasers cut overall procurement and maintenance costs.

Main Features
1. IP68 Waterproof & Dustproof, U0/D0 Integrated Design
2. WRAS, OIML & MID B+D Certified with Complete Water Quality Test Report
3. Multiple Communication Interfaces & Flexible Installation in Any Position
4. Flow Partition Metering & Statistics with Minimal Pressure Loss
5. Wide Dynamic Range (R800/R500), Leakage Detection & Non-air Measuring
6. Reliable Data Reissue & Retransmission Mechanism
7. No Moving Parts, Designed Service Life ≥12 Years
8. Compact & Robust Structure with Eco-friendly Durable Composite Material
9. Strong Anti-interference, Immune to Media & External Magnetic Fields

Technical Parameters
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Type |
U-WR2 |
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Size |
DN15 |
DN20 |
DN25 | |
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Range and Capacities |
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Q3 |
1.6/2.5 m³/h |
2.5/4.0 m³/h |
6.3 m³/h | |
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Q4 |
3.125 m³/h |
5.0 m³/h |
7.875 m³/h | |
|
Q2 |
8 L/h |
12.8 L/h |
20.2 L/h | |
|
Q1 |
5 L/h |
8 L/h |
12.6 L/h | |
|
Qstart |
2L/h |
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Dynamic Range |
R250/R400/R500/R800 |
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Standard |
ISO4064:2014/ OIML: R49-2013 |
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Electrical |
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Battery |
3.6V, Li-battery |
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EMC |
E1 |
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Mechanical |
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Environmental Classification |
Class O |
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Protection Class |
IP68 |
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Medium Temperature |
0.1~50℃(T50) |
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Storage Temperature |
-25~60℃ |
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MAP |
1.6MPa |
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Metrological |
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Accuracy |
±5% in range Q1≤Q<Q2 ±2% in range Q2≤Q≤Q4 |
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Head Loss |
0.4bar @ Q3 |
0.25bar @ Q3 | 0.4bar @ Q3 | |
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Communication |
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LoRa RF |
LoRaWAN Class A |
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NB-IoT |
Standard |
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Pulse Output |
Customized |
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| M-Bus/wM-Bus | Standard | |||
Dimension

Why Choose Us
1. Advanced Production Facilities: Our facilities specialize in ultrasonic gas meter manufacturing and smart metering equipment assembly, delivering high precision and efficiency for gas utilities and OEM partners.
2. Extensive Certification: We have obtained comprehensive certifications and compliance requirements for our products, including MID Certification, ATEX Certification, and certifications for quality, environmental, occupational health and safety, and intellectual property management systems.
3. Customization Options: We provide OEM and ODM services, allowing us to tailor our domestic water meters to meet specific customer requirements and provide personalized solutions.
4. Commitment to Quality: We prioritize quality throughout the production process. From sourcing top-quality raw materials to conducting rigorous quality inspections, we ensure that our water meter meet the highest standards of quality at every stage.
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