Overview
Viewshine offers an Ultrasonic Water Meter with No Moving Parts built for long‑term reliability. It is suitable for multi-unit residential applications. The design lifetime of it is 12+ years, which would be reliable. Non‑contact sensing ensures accurate measurement across a wide flow range, while the absence of moving parts minimizes wear, pressure loss, and upkeep. It can detect flows as low as 2 L/h - helping utilities identify small leaks early and reduce water loss.
Main Features
1. R400/R250, Wider Dynamic Range
2. U0/D0
3. Lowest Flow Rate: 2L/h
4. Free from Influence of Impurity and Magnetic Field
5. 12+ Years' Design Life Time
6. Vertical/Horizontal Installation
7. LCD Display
8. IP68 protection
Technical Parameters
|
Specifications |
||||
|
Standards |
ISO 4064-1:2017;OIML R49:2013 |
|||
|
Accuracy class |
Class 2 |
|||
|
Nominal diameter |
DN |
mm |
15 |
20 |
|
Permanent flow rate |
Q3 |
m³/h |
2.5 |
4 |
|
Overload flow rate |
Q4 |
m³/h |
3.125 |
5 |
|
Transitional flow rate |
Q2 |
L/h |
10 |
16 |
|
Minimum flow rate |
Q1 |
L/h |
6.25 |
10 |
|
Measurement range |
R |
Q3/Q1 |
R400 |
|
|
Starting flow |
– |
- |
2 L/h |
|
|
Range for R400 |
– |
Q2/Q1 |
1.6 |
|
|
Temperature class (EN and OIML) |
– |
℃ |
T50/T30 |
|
|
Flow profile sensitivity class (EN) |
– |
– |
U0/D0 |
|
|
Counter indication range |
– |
m³ |
99999.999 |
|
|
Scale interval value |
– |
m³ |
0.000001 |
|
|
Maximum permissible error in the range of Q2 ≤ Q ≤ Q4 |
ε |
% |
0. 1℃<=T<=30℃: ±2%; 30℃ |
|
|
Maximum permissible error in the range of Q1 ≤ Q < Q2 |
ε |
% |
±5 |
|
|
Battery |
– |
V |
3.6 |
|
|
Max battery life |
Years |
12 |
||
|
Communication interfaces |
– |
– |
LoRaWAN/NB-IoT/Pulse |
|
|
Water pressure class |
(EN) |
bar |
MAP16 |
|
|
(OIML) |
0.3 to 16 |
|||
|
Maximum pressure loss |
– |
0.63 |
||
|
Installation orientation |
– |
– |
All Positions |
|
|
Reverse flow |
– |
– |
Measurable reverse flow |
|
|
Relative humidity |
– |
% |
≤ 100 |
|
|
IP rating |
– |
– |
IP68 |
|
|
Water meter tube material |
Brass |
|||
Dimension
|
DN |
L(mm) |
Meter Thread |
Pipe Thread |
L1(mm) |
L2(mm) |
H(mm) |
H1(mm) |
|
15 |
110 |
G¾B |
R½ |
202 |
82 |
19.5 |
87 |
|
115 |
G¾B |
R½ |
207 |
82 |
19.5 |
87 |
|
|
165 |
G¾B |
R½ |
257 |
82 |
19.5 |
87 |
|
|
20 |
110 |
G1B |
R¾ |
212 |
82 |
22 |
90 |
|
115 |
G1B |
R¾ |
217 |
82 |
22 |
90 |
|
|
190 |
G1B |
R¾ |
292 |
82 |
22 |
90 |
Why Choose Us
1. Manufacturing Strength
At VIEWSHINE, precision and efficiency are built into every production line. Whether it's a small test batch or a full container order, we maintain consistent quality and dependable delivery schedules.
2. Recognized Certifications
Our products hold global certifications - MID, ATEX, ISO 9001, ISO 14001, ISO 45001, and IPMS. These reflect our ongoing commitment to safety, quality, and environmental responsibility across everything we manufacture.
3. Tailored OEM/ODM Solutions
We offer flexible OEM and ODM services with extensive customization options - from materials and communication modules to packaging - designed to match your brand and technical requirements.
4. Comprehensive Quality Assurance
Our quality assurance covers the full production cycle - from raw material inspection to final performance testing. Complete documentation ensures every product is traceable and meets our quality standards.
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