Main Features
- IP68 rated (dust‑tight and waterproof)
- U0/D0 installation class
- WRAS certified (UK water regulations approval)
- OIML certified
- MID B+D module certified
- Water quality test report provided
- Supports multiple communication protocols
- Can be installed in any orientation
- Flow‑partitioning metering with statistics
- Very low pressure drop
- Compact, rugged construction
- Wide dynamic range: R800/R500
- Leakage detection and no‑air‑running protection
- Data re‑issuance and re‑transmission mechanism
- No moving parts; designed service life of 12+ years
- Made of durable, eco‑friendly composite material
- Strong immunity to interference – unaffected by media 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 |
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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
|
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
- Deep industry knowledge – Viewshine is a recognised leader in ultrasonic metering, with a solid grasp of market trends and industry developments. Our extensive experience enables us to deliver tailored, innovative solutions that address your specific challenges.
- Expert team – Our R&D and quality control specialists are highly qualified and committed to maintaining rigorous quality standards, consistently surpassing your performance and reliability expectations.
- Customer‑centric support – We place great emphasis on your satisfaction, providing attentive assistance from inquiry through after‑sales service. Our responsive support team is always available to resolve any issues and ensure a hassle‑free experience.
- Factory‑direct pricing – As an integrated manufacturer, we offer competitive rates without sacrificing quality. Efficient production and lean operations allow us to deliver cost‑effective solutions that fit your budget while providing exceptional value.
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