Residential Ultrasonic Gas Meter – Model U‑GR4

Residential Ultrasonic Gas Meter – Model U‑GR4

Viewshine U-GR4 is a high-precision ultrasonic gas meter with IoT connectivity and an integrated shutoff valve. It features an extended measuring range from 0.016 m³/h to 6 m³/h, non-moving parts, full electronic measurement, and temperature compensation, ensuring long-term stability and reliability.
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Description
Technical Parameters
Main Features

 

  • Space‑saving design
  • Dependable operational stability
  • Remote monitoring and control
  • High‑precision metering
  • Smart alert and alarm system
  • Broad turndown ratio
  • Excellent immunity to interference
  • Flexible communication interfaces
  • Dynamic temperature and pressure compensation
  • Compliant with EN14236:2018, OIML R137, and 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
Communication: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

product-753-349

 

Why Choose Us

 

  1. Innovation‑driven – Viewshine remains a pioneer in ultrasonic measurement, constantly pushing industry boundaries. Our in‑depth market insight enables us to deliver advanced, tailored solutions that address your unique challenges.
  2. Expert workforce – Our R&D and QC teams comprise highly qualified professionals whose commitment and skill ensure rigorous quality oversight, consistently exceeding your performance expectations.
  3. Customer‑first support – We are devoted to your satisfaction, offering responsive assistance at every stage. Our support team is always ready to handle queries and resolve issues, guaranteeing a smooth, positive experience after purchase.
  4. Factory‑direct value – As an integrated manufacturer, we maintain full control over production, allowing us to offer attractive pricing without sacrificing quality. Efficient operations and cost management mean you receive cost‑effective solutions that fit your budget while delivering exceptional performance.

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