Overview
- Engineered for tough field conditions, Viewshine Ultrasonic Water Meter with Low Pressure Loss adopt a heavy-duty polymer enclosure together with industrial IoT connectivity. Its solid-state, moving-part-free architecture eliminates failure risks from mechanical wear, preserving steady metering accuracy across the service lifespan. Built-in wireless transfer and on-board data processing come as standard, delivering reliable operation for up to 12 years. This solution helps water utilities, system integrators and bulk buyers lower total cost of ownership, trimming both upfront capital outlay and recurring 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
| 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. Market & Technical Acumen
With years of expertise in ultrasonic metering R&D, we hold one core standard: products must prove their reliability in field operation. Viewshine tracks shifting customer demands closely. Our solutions pass formal technical certification, and more importantly, deliver stable performance under real on-site working scenarios.
2. R&D & Production Philosophy
We apply strict testing protocols and standardized process control across the whole product development cycle. Thorough validation and detailed quality checks guarantee uniform, reliable performance for every meter, often surpassing customers' expectations.
3. Cooperative Partnership Framework
We treat each project as lasting cooperation instead of a one-off deal. Covering early technical consultation to long-run after-sales service, we provide rapid feedback, efficient fault resolution and consistent support throughout the full product lifecycle.
4. Tangible Return on Investment
As a complete vertically integrated manufacturer, we optimize cost control without sacrificing quality. Optimized production processes allow us to offer competitive, fully transparent pricing with no hidden fees.
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