Overview

Developed for residential and light commercial scenarios, this Gas Meter with Real-Time Incident Notifications features a measurement span of 0.016–6 m³/h. Onboard temperature and pressure correction continuously calibrates readings, securing reliable metering amid fluctuating environmental conditions. Adopting a fully electronic structure with no internal moving components, it sustains stable measurement performance and greatly lowers ongoing maintenance expenditure. Integrated IoT communication and an auto safety cut-off valve empower remote status tracking and proactive risk control. Compatible with GPRS, 4G, NB‑IoT and LoRaWAN, it can seamlessly connect to diverse management systems. Encased in an IP65 steel shell and engineered for a 12-year operational lifespan, it is well suited for smart household projects and mass rollouts by gas operators.
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 |
Class |
IP65 |
||||
|
Overall Dimensions |
mm |
207*113*142 |
||||
|
Medium |
mm |
NG |
||||
|
Mechanical Environment |
Class |
M1 |
||||
|
Electronical Environment |
Class |
E2 |
||||
|
Communication |
/ |
GPRS/4G/NB-IoT/LoRaWAN |
||||
|
Case Material |
/ |
Steel |
||||
Dimension

Why Choose Us
1. Global Reach & Custom Solutions
VIEWSHINE delivers ultrasonic gas meters, smart water metering devices and IoT management platforms to utility operators, industrial sites and commercial clients in over 30 countries. We offer flexible OEM and private-label partnerships, customizing solutions to match local regulatory requirements and brand specifications for streamlined global deployment.
2. Self-Driven R&D for Proven Stability
We handle the entire product lifecycle from design and development to validation within our own facilities, with certifications including MID, OIML and CE. Rigorous batch quality checks and full traceability systems are enforced at every stage. Long-term field operation data confirms consistent, trustworthy metering performance once deployed.
3. Project-Focused End-to-End Assistance
We support distributors, system integrators and utility partners across every phase of project execution. Our scope covers technical design adjustment, sample validation and logistics coordination. Our team coordinates closely with your timeline to ensure smooth project progress.
4. Open Pricing & Field-Validated Quality
As an ISO-certified original manufacturer, we offer volume-based pricing with no middleman markup or undisclosed fees. All quotes are clear and competitive, backed by thoroughly tested products with proven real-world performance.
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