Overview
Designed for today's utility infrastructure, the D‑GR1 long life diaphragm gas meter incorporates a signal detector, communication unit, and temperature/pressure sensors to support remote data acquisition, real‑time valve control, and automated alerting for system anomalies. It accommodates both prepayment and credit billing models, providing gas operators with a versatile, forward‑compatible metering platform.
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.Extensive Industry Knowledge
VIEWSHINE is a recognized leader in ultrasonic measurement, with deep insight into market trends and evolving customer demands. Our domain knowledge enables us to deliver tailored, high-performance solutions that address real-world challenges.
2. Expert Team
Our R&D and QC professionals bring extensive experience and technical rigor to every project. Their commitment to precision and continuous improvement ensures that every product not only meets but exceeds industry standards and client expectations.
3. Exceptional Customer Support
We are committed to delivering a seamless experience from inquiry to after-sales support. Our responsive service team provides timely assistance, clear communication, and effective solutions - ensuring your satisfaction at every stage.
4. Factory-Direct Value
By manufacturing in-house, we eliminate unnecessary overhead and pass the savings directly to you. Our efficient production and lean operations deliver high-quality products at competitive prices - offering exceptional value without compromise.
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