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 |
||||
|
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

Why Choose Us
- 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.
- 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.
- 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.
- 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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