Overview
The D-GR1 is an intelligent diaphragm gas meter designed for modern utility management. It comes equipped with a built‑in signal detector, communication module, and temperature/pressure sensors - enabling a full suite of smart functions including remote meter reading, tiered billing, valve control, and real‑time fault alerts. It supports both prepayment and postpayment models, making it a versatile choice for gas utilities upgrading their metering infrastructure.
Main Features
· Tiered billing
· Remote recharging
· EN1359 & EN16314
· Remote valve control
· Supporting post payment
· Auto-alarm for abnormality
· Multiple payment modes
· Communication: LTE&GPRS&NFC
Technical Parameters
|
Parameters |
Unit |
G1.6 |
G2.5 |
G4.0 |
|
|
Maximum Flowrate (Qmax) |
m³/h |
2.5 |
4 |
6.0 |
|
|
Minimum Flowrate (Qmin) |
m³/h |
0.016 |
0.025 |
0.040 |
|
|
MPE |
Qmin≤Q<0.1Qmax |
% |
± 3.0 |
||
|
0.1Qmax≤Q≤Qmax |
± 1.5 |
||||
|
Accuracy |
/ |
Class 1.5 |
|||
|
Maximum Pressure Absorption |
Pa |
≤250 |
|||
|
Humidity |
% |
≤95 |
|||
|
Maximum Working Pressure |
kPa |
50 |
|||
|
Storage Temperature |
℃ |
-25 ~ 55 |
|||
|
Gas Temperature Range |
℃ |
-25 ~ 55 |
|||
|
Overall Dimensions |
/ |
195*170*220 |
|||
|
Protection Grade |
/ |
IP65 |
|||
|
Medium |
/ |
NG / LPG |
|||
|
Battery |
/ |
3.6 V Lithium battery |
|||
|
Lifespan |
year |
≥ 10 |
|||
|
Thread |
/ |
G1¼" / Customized |
|||
|
Electronical Environment |
/ |
E2 |
|||
|
Mechanical Environment |
/ |
M1 |
|||
|
Case Material |
/ |
Steel |
|||
|
Communication |
/ |
LTE/GPRS/NFC |
|||
|
A(mm) |
B(mm) |
C(mm) |
D(mm) |
E(inch) |
|
110 |
195 |
220 |
170 |
G1½" |
Why Choose Us
1. Industry Leadership
VIEWSHINE is a recognized leader in ultrasonic measurement, with years of experience serving gas utilities, water utilities, and industrial clients across global markets. Our deep industry knowledge allows us to deliver custom‑engineered metering solutions that solve real‑world operational challenges.
2. Technical Expertise
Our in‑house R&D and QC teams bring extensive experience in smart gas meters, ultrasonic water meters, and IoT‑enabled metering systems. Every product is subjected to rigorous testing and quality checks - ensuring reliable performance that exceeds industry standards and customer expectations.
3. Customer‑Centric Support
We are committed to your success at every stage - from technical consultation and sample validation to logistics coordination and after‑sales service. Our support team is always ready to assist with product integration, troubleshooting, and operational guidance, ensuring a seamless experience from start to finish.
4. Factory‑Direct Value
As a direct manufacturer and OEM supplier, we eliminate intermediaries to offer competitive, transparent pricing on ultrasonic gas meters, smart water meters, and IoT metering solutions. We believe in delivering cost‑effective quality - premium products at factory prices, with no hidden fees or markups.
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