Overview
Viewshine U-GR4 gas meter is a home gas meter that integrates high-precision and cutting-edge technology, utilizing advanced ultrasonic technology for high-precision gas volume measurement. With its excellent reliability, accuracy, and temperature and pressure compensation capabilities, it ensures precise measurements under various operating conditions. At the same time, the latest exterior design is adopted, making the gas meter itself more beautiful and practical. This instrument seamlessly integrates with intelligent application modules, providing enhanced functionality and adaptability. These modules support remote data monitoring, advanced data analysis, and automatic billing, making them an ideal choice for modern natural gas consumption monitoring and management in intelligent energy systems.
Main Features
- Compact size
- Reliable stability
- Remote management
- Accurate measurement
- Strong anti-interference ability
- Multiple communication modes
- Intelligent alarm system
- Wide measuring range ratio
- Real-time temperature & pressure compensationEN14236:2018 &OIML R137 & WELMEC 7.2
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
Communication
1. IC card ultrasonic gas meter
① IC card prepaid function
② Layered pricing and price adjustment
③ Data freeze and alarm report
④ Real time temperature compensation
⑤ Real time pressure compensation
2. NB IoT/GPRS ultrasonic gas measuring instrument
① Delayed billing
② Remote automatic reading, charging, and price adjustment
③ Remote valve control and parameter configuration
④ Automatic alarm report in case of equipment failure
⑤ Real time temperature compensation
⑥ Real time pressure compensation
3. IC card NB IoT ultrasonic gas meter
① Prepaid bill
② Remote automatic reading, charging, and price adjustment
③ Remote valve control and parameter configuration
④ Automatic alarm report in case of equipment failure
⑤ Real time temperature compensation
⑥ Real time pressure compensation
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