Overview
This 2 ultrasonic water meter features a durable composite housing paired with advanced IoT connectivity modules. Its all‑electronic architecture eliminates moving components, avoiding mechanical wear and preserving measurement precision over extended service life. Equipped with integrated wireless communication and intelligent data processing as baseline capabilities, it provides dependable operation for up to 12 years. For water utilities, engineering contractors, and bulk purchasers, this translates into lower total ownership costs - reducing both upfront capital expenditure and long‑term maintenance expenses.
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. Sector Insight
VIEWSHINE has gained recognition in ultrasonic measurement through decades of applied experience and a steady read on changing industry demands. We turn that understanding into functional, deployment-ready solutions that hold up under real operating conditions.
2. Engineering Proficiency
Our R&D and QA personnel bring specialized expertise and disciplined rigor to every project. Products undergo comprehensive validation and strict process oversight - resulting in consistent, field‑proven performance that aligns with or surpasses client requirements.
3. Service Commitment
We place long‑term partnership at the forefront, providing attentive support throughout the entire project lifecycle. Our service team responds promptly to questions and challenges, ensuring a seamless experience from product selection through years of operation.
4. Manufacturer‑Direct Economics
By manufacturing in‑house, we maintain cost efficiency without sacrificing material or production quality. Optimized operations and minimal overhead allow us to offer competitively priced metering systems - delivering sustained value with no hidden costs or compromises.
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