Overview
The VIEWSHINE U-GR4 is a smart ultrasonic gas meter with IoT connectivity and an integrated shut-off valve. Ideal for residential and commercial gas metering, it offers a wide range of 0.016–6 m³/h, no moving parts, and full electronic accuracy for long-term reliability.
With real-time temperature and pressure compensation, it performs consistently in extreme environments. The wear-free design cuts maintenance costs, while IoT-enabled remote monitoring, predictive analytics, and automatic valve control make it a high-performance gas meter for smart homes and utilities.
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
|
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. Extensive Industry Expertise
VIEWSHINE is a trusted OEM manufacturer and B2B supplier of high-precision ultrasonic gas meters, smart water meters, and IoT metering solutions - serving gas utilities, water utilities, and industrial clients worldwide.
2. Skilled Professionals
Our in-house R&D and QC teams ensure every meter meets MID, OIML, and CE standards - delivering reliability you can count on.
3. Dedicated B2B Customer Support
From technical consultation to after-sales service, we offer dedicated support for distributors and utility partners to ensure seamless integration.
4. Competitive Pricing
As a direct factory, we provide cost-effective, high-quality metering solutions with no middlemen - just value for your budget.
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