Overview
Viewshine U-GR4 intelligent Iot gas meter: industrial grade precision, active safety
U-GR4 is designed for demanding commercial and industrial applications, providing ultrasonic measurement within a dynamic range of 0.016-6m ³/h. Its integrated IoT module and intelligent shut-off valve can immediately terminate gas flow in abnormal situations, while the solid-state architecture eliminates mechanical wear points. Enhanced anti-interference shielding ensures uninterrupted operation in electrical noise environments.
Main Features
1. Non contact ultrasonic measurement with an accuracy of ± 0.7% under variable loads
2. Dynamic temperature/pressure compensation to maintain accuracy under extreme conditions
3. The intelligent application ecosystem supports remote consumption analysis, pattern mining, and automatic billing
4. Use corrosion-resistant sensors for zero friction measurement, with a service life of over 10 years
Technical Parameters
|
Type |
GR |
|||
|
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 70 |
||
|
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 |
IP66 |
||
|
Mass, Not More Than |
kg |
2.5 |
||
|
Overall Dimensions |
mm |
220*102*152 |
||
|
Medium |
|
NG |
||
|
Mechanical Environment |
Class |
M1 |
||
|
Electronical Environment |
Class |
E2 |
||
|
Design Lifetime |
Year |
15 |
||
|
Metrological Battery Lifetime |
Year |
10 |
||
|
Communication |
|
Nb-IoT / GPRS /... |
||
|
Material of Meter Body |
|
Die-casting Aluminum |
||
|
Material of Case |
|
PVC |
||
|
Material of Valve |
|
POM |
||
Dimension
Why Choose Us?
1. High quality raw material selection
The Viewshine U-GR4 gas meter adopts industry-leading ultrasonic sensors and high-precision electronic components. The core components have undergone rigorous durability testing to ensure material corrosion resistance, anti-interference, and long service life. The fully electronic measurement design abandons traditional mechanical components, eliminates wear issues, and is equipped with aviation grade alloys and sealing materials to adapt to extreme temperature and humidity environments, ensuring long-term stable operation.
2. High standard production requirements
The product strictly follows the international standards EN14236:2018, OIML R137, and WELMEC 7.2. The production process follows the Six Sigma management system, and each process is precisely calibrated. The unique temperature and pressure compensation technology has undergone thousands of simulated tests, with an error rate of less than 0.5% and a range width of 375:1 (0.016-6m ³/h), meeting the stringent requirements of commercial scenarios in different regions around the world.
3. High quality service system
The intelligent IoT module supports remote configuration, OTA upgrade, and big data analysis, and a dedicated energy management team provides 7 × 24-hour cloud monitoring services. Customized API interface seamlessly integrates with enterprise ERP systems, and the intelligent alarm system pushes three-level warnings (SMS/email/platform) within 15 minutes after triggering, and synchronously generates fault diagnosis reports. In abnormal states, the integrated shut-off valve can automatically shut off the gas source within 0.8 seconds.
4. High speed global logistics network
Standard orders can be quickly shipped out within 48 hours, and DHL/UPS strategic cooperation channels ensure 72 hour delivery to 120 countries.
5. After sales response mechanism
The after-sales team provides a 5-minute emergency response commitment, with 80% of remote issues resolved within 1 hour, and on-site support covering prefecture level cities across the country within 48 hours.
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