Overview
Built for today's gas utilities, the Prepayment Diaphragm Gas Meter combines signal capture, communication, and temperature‑pressure sensing in one unit. It supports remote reading, valve operation, and instant fault detection - enabling both prepaid and post‑paid billing models for flexible deployment.
Offered in G1.6, G2.5, and G4, the meter delivers accurate measurement through integrated temperature and pressure compensation. Its IP65‑rated steel enclosure and 10+‑year battery life are complemented by NB‑IoT, 4G, LoRaWAN, and NFC connectivity - supporting tiered tariffs, remote credit top‑ups, and automatic alerts for abnormal conditions.
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 |
||||
| Maximum Working Pressure Pmax | kPa | 50 | |||
|
Maximum Pressure Absorption |
Pa |
≤250 |
|||
|
Gas Temperature Range (tg) |
℃ |
-25 ~ 55 |
|||
|
Ambient Temperature (tm) |
℃ |
-25 ~ 55 |
|||
|
Humidity |
% |
≤95 |
|||
| Battery Information | V | 3.6 V Lithium battery | |||
| Thread | Inch | G1¼" / Customized | |||
|
Overall Dimension |
/ |
195*170*220 |
|||
|
Protection Rating |
Class |
IP65 |
|||
|
Medium |
/ |
NG / LPG |
|||
|
Lifespan |
year |
≥ 10 |
|||
|
Electronical Environment |
Class |
E2 |
|||
|
Mechanical Environment |
Class |
M1 |
|||
|
Communication |
/ |
LTE/GPRS/NFC |
|||
|
Case Material |
/ |
Steel |
|||
|
A(mm) |
B(mm) |
C(mm) |
D(mm) |
E(inch) |
|
110 |
195 |
220 |
170 |
G1½" |
Why Choose Us
1. Market Insight
VIEWSHINE stays close to market shifts and customer needs, using that understanding to guide its R&D direction in ultrasonic metering. The result: practical, field-tested solutions built for real operating conditions.
2. Engineering & Quality Control
Our R&D and QA teams maintain disciplined oversight throughout the product lifecycle. Rigorous testing and standardized processes ensure every unit meets - and often exceeds - international standards and customer expectations.
3. Customer-First Service
We support customers from first inquiry through long-term after-sales care. Fast response, clear communication, and effective problem-solving help build lasting partnerships.
4. Factory-Direct Pricing
As a true manufacturer, we remove middle layers to keep costs down for customers. Efficient production and lean workflows allow us to offer high-quality metering products at competitive prices - with transparent pricing and no hidden fees.
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