Overview
VIEWSHINE U-GR4 Smart Ultrasonic Gas Meter delivers precision and intelligence for residential and light commercial metering. With a wide range of 0.016–6 m³/h, real‑time temperature and pressure compensation, and full electronic accuracy, it performs reliably in demanding conditions.
The integrated shut‑off valve and IoT connectivity enable remote monitoring, automatic safety control, and predictive analytics. No moving parts means low maintenance and long‑term stability.
Supporting GPRS / 4G / NB‑IoT / LoRaWAN and compliant with EN14236, OIML R137, and WELMEC 7.2, the U-GR4 combines IP65 protection, compact steel housing, and a 12‑year design life - ready for smart homes and utility automation.
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
Technical Parameters
|
Parameters |
Unit |
G1.6 |
G2.5 |
G4 |
G4.0+ |
|
|
Maximum Flowrate (Qmax) |
m³/h |
2.5 |
4 |
6 |
6 |
|
|
Minimum Flowrate (Qmin) |
m³/h |
0.016 |
0.025 |
0.040 |
0.016 |
|
|
Start Flowrate (Qstart) |
m³/h |
0.003 |
0.004 |
|||
|
MPE |
Qmin≤Q<0.1Qmax |
% |
±3.0 |
|||
|
0.1Qmax≤Q≤Qmax |
±1.5 |
|||||
|
Maximum Working Pressure (Pmax) |
kPa |
≤50 |
||||
|
Maximum Pressure Absorption |
Pa |
≤200 |
||||
|
Gas Temperature Range (tg) |
℃ |
-25 to +55 |
||||
|
Storage Temperature |
℃ |
-30 to +60 |
||||
|
Humidity |
% |
≤95 |
||||
|
Battery Information |
V |
Measurement:3.6V lithium battery |
||||
|
Thread |
Inch |
G1¼" |
||||
|
Connection Centers |
Mm |
110 |
||||
|
Protection Grade |
/ |
IP65 |
||||
|
Overall Dimensions |
Mm |
207*113*142 |
||||
|
Medium |
/ |
NG |
||||
|
Mechanical Environment |
/ |
M1 |
||||
|
Electronical Environment |
/ |
E2 |
||||
|
Communication |
/ |
GPRS/4G/NB-IoT/LoRaWAN |
||||
|
Case Material |
/ |
Steel |
||||
Dimension
Why Choose Us
1. Industry Leadership
VIEWSHINE supplies high‑accuracy ultrasonic gas meters, smart water meters, and IoT metering platforms to municipal utilities, industrial operators, and commercial partners worldwide. We also offer OEM and private‑label programs.
2. Engineering Excellence
Our R&D and QA teams ensure every meter meets MID, OIML, and CE standards - with batch‑to‑batch consistency, long‑term stability, and full traceability.
3. Partner‑Centric Support
We support distributors, system integrators, and utility partners from specification consultation and sample validation to logistics and after‑sales service - making integration smooth and hassle‑free.
4. Transparent Factory Pricing
As a direct manufacturer, we cut out intermediaries and offer volume‑based pricing without compromising quality. Every quote reflects genuine factory value.
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