G4 Gas Meter

G4 Gas Meter

Product Name:G4 Gas Meter
Product Model:Viewshine U-GR4
Case Material:Steel
Communication:GPRS/4G/NB-IOT/LORaWAN
Maximum Flowrate&Minimum Flowrate:0.016~6m ³/h
Battery Information: Measurement: 3.6 Vlithium battery
Communication: 3.6 V lithium battery
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Description
Technical Parameters

Overview

 

G4 Gas Meter

The Viewshine G4 Gas Meter represents the next evolution in ultrasonic gas measurement technology. Utilizing advanced time-difference ultrasonic detection, it precisely calculates gas flow by analyzing sound wave propagation delays, delivering unmatched metering accuracy. Equipped with real-time temperature & pressure compensation, it maintains reliable performance even under extreme environmental fluctuations.

Engineered for smart energy integration, it supports remote monitoring, data analytics, and automated billing, making it ideal for modern utility ecosystems. Its moving-part-free, fully electronic design ensures zero mechanical wear and extended lifespan. With built-in IoT connectivity and an integrated shut-off valve, control and automation are effortless. The ultra-wide flow range (0.016–6m³/h) caters to both residential and commercial applications, while robust construction and precision thermal compensation set new standards in gas measurement efficiency.

 

Main Features

 

1. Extremely compact design
Reduce volume by 30% compared to similar products
Innovative structural design perfectly adapts to narrow spaces
Support embedded installation in complex scenarios

 

2. Military grade reliability
Adopting military grade core components
Tolerant to extreme environments ranging from -30 ℃ to 60 ℃
Annual failure rate below 0.1%
Multi circuit protection design

 

3. Fully remote intelligent control
Cross platform IoT management
Real time monitoring/remote configuration/fault diagnosis
Reduce operation and maintenance costs by 90%
Measurement accuracy reaches ± 0.5%

 

4. Intelligent calibration technology
Range error ≤± 0.5%
Adaptive Media Compensation Model

 

5. Excellent anti-interference ability
Electromagnetic shielding shell
Design of Multilayer Filter Circuit
Support lightning protection/dust prevention
Zero distortion of data in strong electromagnetic environment

 

6. International certification guarantee
Compliant with EN14236/OIML R137/WLMEC 7.2 certification standards
Full process international standard control

 

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

999999,999

Minimum Counting Division

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

 

 

 

Natural gas smart meter

 

Why Choose Us

 

1.Advanced Intelligent Manufacturing, Superior Quality

State-of-the-art production system combining smart technology and precision machinery

High-precision manufacturing guarantees outstanding product performance

Provides a rock-solid quality foundation for your business growth

 

2.Authoritative Certifications & Compliance Guarantee

MID certified for measurement accuracy assurance

ATEX certified for hazardous environment safety

Multiple management system certifications ensure standardized operations

 

3.Deep Customization & Agile Solutions

Powerful OEM/ODM capabilities for personalized requirements

Comprehensive customization covering branding, design and functionality

Unique solutions to help you stand out in competition

 

4.Stringent QC & Continuous Enhancement

Strict control from raw materials to entire production process

Multi-layer quality inspection at every critical point

Guarantees every product meets the highest delivery standards

 

5.End-to-End Service & Full Support

Professional team from consultation to after-sales service

Quick response to technical issues and customization needs

Customer satisfaction-centered service throughout product lifecycle

 

 

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