Main Features
- IP68 rated (dust‑tight and fully waterproof)
- U0/D0 installation classification
- WRAS certified (complies with UK water regulations)
- OIML certified
- MID B+D module certified
- Water quality test report supplied
- Supports various communication protocols
- Can be mounted in any orientation
- Flow‑partitioning metering with statistical functions
- Extremely low pressure loss
- Compact footprint with rugged construction
- Wide turndown ratio: R800/R500
- Leak detection and no‑flow‑running prevention
- Data re‑transmission and re‑issuance mechanism
- No moving parts; designed service life over 12 years
- Manufactured from durable, eco‑friendly composite material
- Excellent anti‑interference capability – unaffected by media type or external magnetic fields
Technical Parameters
|
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 |
|||
|
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 |
||||
|
Max battery life |
Years |
12 |
|||||
|
Communication interfaces |
– |
– |
LoRaWAN/NB-IoT/Pulse/wM-Bus |
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|
Water pressure class |
(EN) |
bar |
MAP16 |
||||
|
(OIML) |
0.3 to 16 |
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|
Maximum pressure loss |
– |
0.4 |
0.25 |
0.4 |
0.25 |
||
|
Installation orientation |
– |
– |
All Positions |
H |
|||
|
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
|
DN |
H |
H1 |
L |
L1 |
B |
D |
d |
|
DN15 |
96 |
79.5 |
110/115/130/165 |
47 |
85 |
G 3/4 |
R 1/2 |
|
DN20 |
99 |
80.5 |
110/115/130/190 |
49 |
85 |
G 1 |
R 3/4 |
|
DN25 |
109 |
88 |
150/260 |
60 |
85 |
G1 1/4 |
R 1 |
Why Choose Us
- Industry insight – Viewshine is a well‑established leader in ultrasonic metering, with a thorough understanding of market trends and sector evolution. Our broad experience allows us to craft innovative, customised solutions that meet your unique needs.
- Professional expertise – Our team comprises dedicated R&D and quality control specialists. Their technical proficiency and commitment guarantee meticulous quality assurance, consistently exceeding your performance and reliability criteria.
- Customer‑oriented service – Your satisfaction is our top priority. We provide responsive, attentive support from initial enquiry through to after‑sales care. Our team is always ready to assist with any questions or issues, ensuring a seamless and positive experience.
- Value‑driven pricing – As a direct factory, we offer attractive, competitive prices while maintaining uncompromised quality. Lean production and efficient operations enable us to deliver budget‑friendly solutions that provide exceptional value for your investment.
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