Products Description
The Flow Meter Water is designed specifically for the next generation of water resource management, combining a military grade composite material housing (IP68 rating) with an optimized architecture for the Internet of Things, providing EN 14154 certified accuracy (± 0.5%) within the R500/R800 dynamic range (0.01-30m ³/h). Its non-invasive ultrasonic measurement eliminates mechanical wear and ensures more than 12 years of drift free operation verified by OIML R49 durability testing.
Main Features
1. Intelligent Connection Kit
Dual mode LoRaWAN/NB IoT communication enables real-time data transmission to cloud platforms, with 512MB of storage space capable of storing 36 months of consumption history.
Integrated M-Bus optical interface (compliant with IEC 61107 standard) supports real-time on-site diagnosis.
2. AI driven resource optimization
By using machine learning algorithms to detect leaks as low as 0.5L/h, non revenue water was reduced by 22% in municipal experiments.
Temperature/pressure compensation (-30 ℃ to+90 ℃) ensures stability in extreme environments.
3. Zero maintenance design
Without moving parts, 316L stainless steel sensors are corrosion-resistant and have a 60% reduction in lifecycle cost compared to mechanical instruments.
Pre installed installation brackets allow for vertical/horizontal/inclined installation within a 200mm pipeline space.
Technical Parameters
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Type |
U-WR2 |
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Size |
DN32 |
DN40 |
DN50 |
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Range and Capacities |
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Q3 |
10m³/h |
16 m³/h |
40 m³/h |
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Q4 |
12.5 m³/h |
20 m³/h |
50 m³/h |
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Q2 |
40 L/h |
56 L/h |
160 L/h |
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Q1 |
25 L/h |
40 L/h |
100 L/h |
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Qstart |
4 L/h |
6 L/h |
10 L/h |
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Dynamic Range |
R400 |
R400 |
R400 |
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Standard |
Based on 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 C |
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Protection Class |
IP68 |
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Medium Temperature |
0.1~50℃(T50) |
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Storage Temperature |
-10~55℃ |
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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 |
0.4bar @ Q3 |
0.25bar @ Q3 |
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Flow Sensitivity |
U0/D0 |
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Communication |
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LoRaWAN |
Stand A |
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NB-IoT |
B5, B8, B20 |
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Pulse Output |
Three-wire, Two-wire |
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| M-Bus/wM-Bus | Standard | ||
Dimension

FAQ
Q1: What is your advantage compared with your competitors?
(1). Qualified Manufacturer
(2). Reliable Quality Control
(3). Competitive Price
(4). High Efficiency working (24*7hours)
(5). One-Stop Service
Q2: How do you guarantee the quality of your products?
A2: We have a strict quality control system in place to ensure the high quality of our products. This includes rigorous inspection and testing of raw materials, thorough quality checks during the production process, and comprehensive final inspections before shipment. Additionally, we hold various certifications that validate the quality and performance of our products. Our commitment to quality is reflected in our continuous improvement efforts and customer satisfaction.
Q3: How many workers are employed in your factory?
A3: We have a dedicated team of skilled workers in our factory. The exact number of workers may vary depending on the production workload and specific projects. However, we ensure that we have a sufficient workforce to meet production demands while maintaining the highest standards of quality and efficiency.
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