Overview
Viewshine U-GR4 is a high-precision ultrasonic gas meter with IoT connectivity and an integrated shut-off valve. Designed as a smart gas meter, it features an extended measuring range from 0.016 to 6 m³/h, no moving parts, full electronic measurement, and temperature compensation-ensuring long-term stability and reliability for residential and commercial gas metering applications.
Main Features
1. Compact size
2. Reliable stability
3. Remote management
4.Accurate measurement
5. Intelligent alarm system
6. Wide measuring range ratio
7. Strong anti-interference ability
8. Multiple communication modes
9. Real-time temperature & pressure compensation
10. EN14236: 2018 & OIML R137 & WELMEC 7.2
Technical Parameters
|
Type |
U-GR4 |
|||
|
Parameters |
Unit |
G1.6 |
G2.5 |
G4 |
|
Nominal Measured Flow Qnom |
m³/h |
1.6 |
2.5 |
1.6/2.5/4.0 |
|
Maximum Measured Flow Qmax |
m³/h |
2.5 |
4 |
6.0 |
|
MinimumMeasured Flow Qmin |
m³/h |
0.016 |
0.025 |
0.040 |
|
Lowest Flow Rate Qstart |
m³/h |
0.004 |
||
|
Error - Qmin ≤ Q < 0,1Qmax - 0,1Qmax ≤ Q ≤ Qmax |
% |
± 3.0 ± 1.5 |
||
|
Transitional Flow Rate Qt |
m³/h |
0.1Qmax |
||
|
Maximum Working Pressure Pmax |
kPa |
≤50 |
||
|
Pressure Loss at Qmax |
Pa |
≤200 |
||
|
Counter Capacity |
m³ |
999999,999 |
||
|
Minimum Counting Division |
m³ |
0,0001 |
||
|
Ambient Temperature tm |
°С |
-25 to +55 |
||
|
Storage Temperature |
°С |
-30 to 60 |
||
|
Humidity |
% |
≤95% |
||
|
Power Supply |
|
Li battery |
||
|
In- and Outlet Pipe Screw |
Inch |
G11/4 (ISO228) |
||
|
Distance Between Inlet and Outlet |
mm |
110 |
||
|
Protection Level |
Class |
IP65 |
||
|
Mass, Not More Than |
kg |
2.5 |
||
|
Overall Dimensions |
mm |
207*113*142 |
||
|
Medium |
|
NG |
||
|
Mechanical Environment |
Class |
M1 |
||
|
Electronical Environment |
Class |
E2 |
||
|
Design Lifetime |
Year |
15 |
||
|
Metrological Battery Lifetime |
Year |
10 |
||
|
Communication |
|
Nb-IoT / GPRS /4G/LoRaWAN |
||
|
Material of Meter Body |
|
Die-casting Aluminum |
||
|
Material of Case |
|
PVC |
||
|
Material of Valve |
|
POM |
||
Dimension
Why Choose Us
1. Extensive Industry Expertise
Viewshine is a trusted ultrasonic gas meter manufacturer and smart water meter supplier - delivering innovative metering solutions for gas utilities, water utilities, and industrial clients.
2. Skilled Professionals
Our R&D and QC experts ensure rigorous quality control for every smart gas meter, ultrasonic water meter, and IoT metering device - exceeding expectations for OEM partners and utility procurement.
3. Exceptional Customer Care
We prioritize customer satisfaction and strive to provide exceptional support throughout your journey with us. Our dedicated support team is readily available to address any inquiries or concerns, ensuring a smooth and positive post-purchase experience.
4. Competitive Pricing
As a direct manufacturing factory, we are able to offer competitive pricing without compromising on quality. Our streamlined production processes and efficient operations allow us to provide cost-effective solutions that align with your budgetary needs. We believe in delivering value without compromise.
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