overview
he U-WR2 is a premium ultrasonic water meter constructed from durable composite materials and integrated with cutting-edge IoT communication modules. Combining intelligent wireless transmission, precise data analytics and outstanding metering accuracy, this house smart water meter features a fully non-moving structure. Free from mechanical wear, it maintains consistent measurement stability and delivers an extended 12-year service life, effectively lowering procurement costs and maintenance expenses for bulk buyers, contractors and utility operators.
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
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Specifications |
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Standards |
ISO 4064-1:2017;OIML R49:2013 |
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Accuracy classs |
Class 2 |
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Nominal diameter |
DN |
mm |
15 |
20 |
25 |
15 |
20 |
|
Permanent flow rate |
Q3 |
m³/h |
2.5 |
4 |
6.3 |
2.5 |
4 |
|
Overload flow rate |
Q4 |
m³/h |
3.125 |
5 |
7.875 |
3.125 |
5 |
|
Transitional flow rate |
Q2 |
L/h |
8 |
12.8 |
20.2 |
5 |
8 |
|
Minimum flow rate |
Q1 |
L/h |
5 |
8 |
12.6 |
3.125 |
5 |
|
Measurement range |
R |
Q3/Q1 |
R500 |
R800 |
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Starting flow |
– |
- |
DN15&DN20: 1.5-2 L/h; DN25: 4-6 L/h |
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Range for R500, R800 |
Q2/Q1 |
1.6 |
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Temperature class (EN and OIML) |
– |
℃ |
T50/T30 |
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Flow profile sensitivity class (EN) |
– |
– |
U0/D0 |
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Counter indication range |
– |
m³ |
999999.999 |
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Scale interval value |
– |
m³ |
0.000001 |
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Maximum permissible error in the range of Q2 ≤ Q ≤ Q4 |
ε |
% |
0. 1℃<=T<=30℃: ±2%; 30℃ |
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Maximum permissible error in the range of Q1 ≤ Q < Q2 |
ε |
% |
±5 |
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Battery |
– |
V |
3.6 |
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Max battery life |
Years |
12 |
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Communication interfaces |
– |
– |
LoRaWAN/NB-IoT/Pulse/wM-Bus |
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Water pressure class |
(EN) |
bar |
MAP16 |
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(OIML) |
0.3 to 16 |
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Maximum pressure loss |
– |
0.4 |
0.25 |
0.4 |
0.25 |
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Installation orientation |
– |
– |
All Positions |
H |
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Reverse flow |
– |
– |
Measurable reverse flow |
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Relative humidity |
% |
≤ 100 |
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|
IP rating |
– |
– |
IP68 |
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Water meter tube material |
Composite material |
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Dimension
Why Choose Us
1. Advanced Production Facilities: Our facilities specialize in ultrasonic gas meter manufacturing and smart metering equipment assembly, delivering high precision and efficiency for gas utilities and OEM partners.
2. Extensive Certification: We have obtained comprehensive certifications and compliance requirements for our products, including MID Certification, ATEX Certification, and certifications for quality, environmental, occupational health and safety, and intellectual property management systems.
3. Customization Options: We provide OEM and ODM services, allowing us to tailor our domestic water meters to meet specific customer requirements and provide personalized solutions.
4. Commitment to Quality: We prioritize quality throughout the production process. From sourcing top-quality raw materials to conducting rigorous quality inspections, we ensure that our water meter meet the highest standards of quality at every stage.
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