overview
U-WR2 ultrasonic water meter adopts high-strength composite housing and advanced IoT communication modules. Built with a fully solid-state design without any moving parts, it eliminates mechanical abrasion while retaining long-term stable metering precision. Equipped with wireless data transmission and intelligent data analysis functions, this residential smart water meter boasts a service life of up to 12 years. It greatly cuts down procurement and post-operation maintenance costs for water utilities, engineering contractors and bulk purchasers.
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
| Type | U-WR2 | |||
| Size | DN15 | DN20 | DN25 | |
| Range and Capacities | ||||
| Q3 | 1.6/2.5 m³/h | 2.5/4.0 m³/h | 6.3 m³/h | |
| 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 | |||
| Dynamic Range | R250/R400/R500/R800 | |||
| Standard | ISO4064:2014/ OIML: R49-2013 | |||
| Electrical | ||||
| Battery | 3.6V, Li-battery | |||
| EMC | E1 | |||
| Mechanical | ||||
| Environmental Classification | Class O | |||
| Protection Class | IP68 | |||
| Medium Temperature | 0.1~50℃(T50) | |||
| Storage Temperature | -25~60℃ | |||
| MAP | 1.6MPa | |||
| Metrological | ||||
| Accuracy |
±5% in range Q1≤Q＜Q2 ±2% in range Q2≤Q≤Q4 |
|||
| Head Loss | 0.4bar @ Q3 | 0.25bar @ Q3 | 0.4bar @ Q3 | |
| Communication | ||||
| LoRa RF | LoRaWAN Class A | |||
| NB-IoT | Standard | |||
| Pulse Output | Customized | |||
| M-Bus/wM-Bus | Standard | |||
Dimension
Why Choose Us
1. Production Strength
VIEWSHINE operates specialized facilities dedicated to ultrasonic gas meter manufacturing and smart metering system assembly. Our production lines are engineered for high precision and efficiency, ensuring reliable supply for gas utilities, municipal projects, and OEM partners.
2. Full Certification PortfolioOur products are fully certified to international standards, including MID, ATEX, ISO 9001, ISO 14001, ISO 45001, and intellectual property management systems - simplifying your market entry and compliance process.
3. Tailored SolutionsWe offer flexible OEM and ODM services for domestic water meters, allowing us to adapt communication protocols, connector types, packaging, and labeling to meet your specific project or regional requirements.
4. Quality at Every StepWe source only premium-grade materials and apply rigorous inspections throughout production - from incoming components to finished meters. This end‑to‑end quality control ensures every water meter delivers consistent, high‑performance reliability, batch after batch.
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