High-accuracy ultrasonic gas flow meter with multi-path measurement for natural gas, LPG, and industrial gas systems
The Instrava Curated ultrasonic gas flow meter is engineered for high-precision gas measurement in urban distribution networks and industrial processes.
Using advanced ultrasonic transit-time technology, this system delivers exceptional sensitivity, wide turndown ratio, and stable long-term performance, even under complex flow conditions.
Designed for gas companies, EPC contractors, and distributors, it enables accurate billing, real-time monitoring, and intelligent system management—all in one integrated solution.
Flow Meter Description
Key Advantages of Ultrasonic Gas Flow Meter
1. High-Accuracy Ultrasonic Measurement
Based on transit-time principle, ensuring stable and precise results
👉（high accuracy ultrasonic gas flow meter）
2. Multi-Path Technology for Flow Stability
Detects multiple flow profiles to eliminate turbulence errors
👉（multi path ultrasonic gas flow meter）
3. Ultra-Low Starting Flow & Wide Rangeability
Accurate measurement from very low to high flow rates
👉（wide range ultrasonic gas flow meter）
4. No Moving Parts, Maintenance-Free
No mechanical wear, minimal maintenance cost
👉（industrial ultrasonic gas flow meter）
5. Integrated Temperature & Pressure Compensation
Ensures standard volume output automatically
👉（gas flow meter with temperature and pressure compensation）
6. Smart Remote Monitoring System
Built-in wireless module for real-time data transmission
👉（smart ultrasonic gas flow meter with remote monitoring）
Applications of Ultrasonic Gas Flow Meter
This ultrasonic gas flow meter for natural gas is widely used in:
Ultrasonic Transit-Time Measurement Principle
The ultrasonic gas flow meter operates based on the transit-time method, measuring the time difference between upstream and downstream ultrasonic signals to calculate gas velocity.
Built for Distributors, EPC Contractors & Gas Companies
We provide a complete ultrasonic gas flow measurement solution tailored for industrial buyers:
Flow Meter Parameter
| Model | DN50 | DN80 | DN100 | DN150 | DN200 | DN250 | DN300 |
|---|---|---|---|---|---|---|---|
| Measurement Principle | Ultrasonic Transit-Time | ||||||
| Paths | 2 | 2 | 2 | 3 | 4 | 4 | 4 |
| Flow Range (m³/h) | 2.5–150 | 6–360 | 10–600 | 26–1300 | 40–2000 | 75–3000 | 100–4000 |
| Accuracy | Class 1.0 | ||||||
| Gas Types | Natural Gas, LPG, Air | ||||||
| Temperature | -20 ~ 60°C | ||||||
| Pressure | ≤1.6 MPa | ||||||
| Output | RS485 / 4–20mA / Modbus | ||||||
| Communication | GPRS | ||||||
| Power Supply | 24VDC + Lithium Battery | ||||||
| Installation | Flange Mounting |
Instrava OEM/ODM
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.
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What is an ultrasonic gas flow meter and how does it work?
An ultrasonic gas flow meter is a device that measures gas flow velocity using the transit-time difference of ultrasonic signals traveling upstream and downstream.
When gas flows through the pipe, the signal moving with the flow travels faster than the one against it. The time difference is directly proportional to the gas velocity, which is then used to calculate flow rate.
Why it matters:
👉 This makes it ideal for ultrasonic gas flow measurement in pipeline systems and city gas distribution.
How accurate is an ultrasonic gas flow meter for natural gas measurement?
A high-quality ultrasonic gas flow meter for natural gas typically achieves ±1.0% accuracy (Class 1.0) under normal operating conditions.
Accuracy is influenced by:
With multi-path design and temperature/pressure compensation, modern systems maintain stable accuracy even under fluctuating flow conditions.
👉 This level of accuracy is suitable for custody transfer, billing, and industrial process control.
What are the advantages of ultrasonic gas flow meters compared to traditional flow meters?
Compared to turbine or differential pressure meters, an industrial ultrasonic gas flow meter offers:
Key difference:
Traditional meters depend on mechanical or pressure changes, while ultrasonic meters use non-intrusive signal measurement, making them more stable over time.
👉 This is why ultrasonic technology is increasingly used in modern gas flow monitoring systems.
Can ultrasonic gas flow meters measure different types of gases?
Yes, a multi-gas ultrasonic flow meter can measure various gases including:
Important condition:
The gas must be clean, single-phase, and relatively dry, as excessive moisture or particles can affect signal transmission.
👉 This flexibility makes it ideal for multi-application industrial gas flow measurement systems.
Do ultrasonic gas flow meters require maintenance or calibration?
Ultrasonic gas flow meters are considered low-maintenance devices because they have no moving parts and minimal wear.
Typical requirements:
With removable probes and anti-contamination design, maintenance is significantly simplified compared to traditional meters.
👉 In most cases, they provide long-term stable operation with minimal downtime, making them suitable for continuous industrial use.
How to choose the right ultrasonic gas flow meter for your application?
To select the right ultrasonic gas flow meter for industrial use, consider:
1. Pipe size (DN50–DN300 or larger)
Must match your pipeline diameter
2. Flow range & turndown ratio
Ensure accurate measurement across your operating range
3. Gas type & conditions
Natural gas, LPG, air, etc.
4. Accuracy requirements
Custody transfer vs process monitoring
5. Output & communication
RS485, Modbus, 4–20mA, or wireless (GPRS)
6. Installation environment
Temperature, pressure, outdoor protection
👉 Choosing the right model ensures accurate measurement, system compatibility, and long-term cost efficiency.
Built on Consistency, Not Claims
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.
Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.
Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.
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