Overview
Designed for reliability in demanding environments, this ultrasonic water meter combines a rugged polymer body with industrial‑grade IoT communication capabilities. Its solid‑state design contains no moving elements - eliminating wear‑related failures and sustaining measurement accuracy throughout its operational lifespan. Standard features include embedded wireless connectivity and onboard data processing, ensuring stable, long‑term performance for up to 12 years. For municipal water suppliers, system integrators, and high‑volume buyers, this translates directly into lower lifecycle costs - reducing initial capital outlay while minimizing ongoing service and replacement expenditures.
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. Industry Expertise
VIEWSHINE has established a strong reputation in ultrasonic measurement through decades of hands‑on experience and continuous market observation. This deep understanding drives us to develop practical, field‑ready solutions that maintain consistent performance in real‑world applications.
2. Technical Capability
Our engineering and quality assurance teams bring in‑depth technical knowledge and strict process discipline to every development cycle. Products undergo comprehensive testing and rigorous quality checks - delivering dependable, field‑validated performance that meets or exceeds customer expectations.
3. Customer‑Centric Service
We prioritize long‑term relationships by offering responsive, reliable support at every stage - from initial consultation through to post‑installation care. Our team addresses inquiries and challenges promptly, ensuring a smooth, hassle‑free experience over the full product lifecycle.
4. Direct‑Manufacturer Pricing
By producing in‑house, we keep costs under control while upholding strict quality standards. Lean operations and efficient production allow us to offer competitively priced metering solutions - delivering genuine value with transparent pricing and no hidden fees.
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