Flow Meter

Gas Flow Meter for Biogas & Natural Gas Measurement

Ultrasonic gas flow meter with methane (CH₄) concentration measurement for biogas plants and gas distribution systems

The Instrava Curated gas flow meter is a high-performance ultrasonic solution designed for biogas plants, natural gas distribution, and industrial gas measurement.

Unlike traditional meters, it not only measures gas flow but also integrates temperature, pressure, and methane (CH₄) concentration monitoring, providing a complete and reliable measurement system for billing, supervision, and energy evaluation.

Built for harsh environments such as landfills, wastewater treatment plants, and livestock farms, this meter ensures long-term accuracy, anti-corrosion performance, and low maintenance operation.

  • ✔ Prevent subsidy fraud with CH₄ concentration monitoring
  • ✔ Accurate gas measurement for billing & compliance
  • ✔ Designed for corrosive biogas environments (H₂S resistant)
  • ✔ Reduce maintenance cost with no moving parts
  • ✔ Ideal for EPC projects, distributors, and bulk buyers

  Flow Meter Description  

Key Advantages of Gas Flow Meter

1. High Accuracy Ultrasonic Gas Flow Measurement
Ensures stable and precise readings with no mechanical wear
👉(high accuracy gas flow meter)

2. Integrated Temperature & Pressure Compensation
Automatically calculates standard flow and total volume
👉(gas flow meter with temperature and pressure compensation)

3. Methane (CH₄) Concentration Measurement
Prevents manipulation and ensures accurate energy evaluation
👉(gas flow meter with methane measurement)

4. Strong Corrosion Resistance
Ceramic ultrasonic sensors resist H₂S and moisture
👉(gas flow meter for biogas)

5. Low Flow Detection Capability
Accurate measurement during low gas production periods
👉(low flow gas measurement device)

6. Maintenance-Free Operation
No moving parts, long-term stable performance
👉(industrial gas flow meter)

Pipeline gas flow meter for industrial continuous online measurement.
Industrial gas flow meter device for continuous online monitoring in pipelines.

Applications of Gas Flow Meter

This gas flow meter for biogas and natural gas is widely used in:

  • Livestock farms (biogas projects)
  • Landfills gas recovery systems
  • Wastewater treatment plants

👉(gas flow meter for biogas plant)

  • Natural gas distribution networks
  • Petroleum & chemical industries
  • City gas transmission and custody transfer

👉(gas flow meter for natural gas pipeline)

Ultrasonic Gas Flow Measurement Technology

This gas flow meter uses advanced ultrasonic sensing technology to measure gas velocity without direct contact.

  • No moving parts → no wear or drift
  • Real-time flow calculation
  • Multi-parameter integration (flow + temperature + pressure + CH₄)
Industrial pipeline gas flow meter suitable for continuous online monitoring.
Gasoline flow meter for online measurement of industrial fuel and gas flow.

Designed for Industrial Buyers & Engineering Projects

We provide a complete gas flow measurement solution tailored for:

  • ✔ EPC contractors (biogas & gas projects)
  • ✔ Distributors & wholesalers
  • ✔ Government & environmental projects
  • ✔ Energy and utility companies
  • OEM customization available
  • Stable bulk supply
  • Fast delivery for projects
  • Full technical support

  Flow Meter Parameter  

Technical Specifications of Gas Flow Meter

ParameterSpecification
Nominal DiameterDN32–DN300
Flow Range3–3200 m³/h
AccuracyClass 1.5
Measurement MediumBiogas, Natural Gas
Temperature-10 ~ 40°C
Pressure≤200 kPa
Humidity≤99%
CH₄ Measurement30–100% (±5% F.S.)
OutputRS-485
Power SupplyExternal + Lithium Battery
Explosion ProofEx ib IIA T4 Gb
Protection LevelIP65
InstallationThread / Flange

  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.

symbolizing trust and the beginning of a long-term partnership

A gas flow meter is a device used to measure the volume or mass of gas flowing through a pipeline, commonly applied in biogas plants, natural gas distribution, and industrial gas systems.

In biogas and natural gas applications, modern gas flow meters can also integrate:

  • Temperature and pressure compensation
  • Standard flow calculation (Nm³/h)
  • Cumulative flow monitoring for billing or subsidies

Advanced models, such as ultrasonic gas flow meters, provide real-time flow data and stable long-term performance, making them ideal for gas distribution, custody transfer, and energy management systems.

The best gas flow meter for biogas measurement is typically an ultrasonic gas flow meter with CH₄ concentration detection.

This is because biogas environments often contain:

  • High moisture
  • Corrosive gases like H₂S
  • Fluctuating flow rates

An ultrasonic solution offers:

  • No moving parts → no wear or clogging
  • High corrosion resistance (ceramic sensors)
  • Low flow detection capability for unstable supply conditions

Additionally, built-in methane (CH₄) concentration measurement helps ensure accurate subsidy calculation and prevents data manipulation.

👉 This makes it the preferred choice for landfills, wastewater treatment plants, and livestock farms.

Methane concentration measurement adds a critical layer of accuracy to a gas flow meter for biogas systems.

Instead of measuring only total gas volume, the system also determines the actual energy content by analyzing CH₄ percentage.

Why this is important:

  • Ensures fair subsidy and billing calculations
  • Prevents manipulation (e.g., adding air to increase volume readings)
  • Improves process efficiency monitoring

For example, a biogas stream with 60% CH₄ carries significantly more usable energy than one with 40%, even at the same flow rate.

👉 Combining gas flow + CH₄ concentration creates a more reliable and transparent measurement system.

Compared to traditional mechanical meters, an ultrasonic gas flow meter provides several key advantages:

  • No moving parts → eliminates wear and maintenance
  • Stable accuracy over time → no drift due to mechanical fatigue
  • No pressure loss → improves system efficiency
  • Wide turndown ratio → accurate at both low and high flow

In addition, ultrasonic meters can integrate:

  • Temperature and pressure sensors
  • Digital communication (RS485)
  • Remote monitoring capabilities

👉 These features make them ideal for modern gas flow measurement systems in industrial and energy sectors.

Yes, but only if it is specifically designed for corrosive gas environments like biogas.

Biogas often contains:

  • Hydrogen sulfide (H₂S)
  • High humidity
  • Organic contaminants

A suitable gas flow meter for biogas should include:

  • Corrosion-resistant materials (e.g., ceramic ultrasonic sensors)
  • Sealed structure (IP65 or higher)
  • Explosion-proof certification (e.g., Ex ib IIA T4)

These features ensure long-term stability and safety, even in harsh operating conditions.

👉 Standard flow meters without these protections may fail quickly or produce inaccurate readings.

Choosing the right gas flow meter depends on several key factors:

1. Gas type
Biogas, natural gas, air, or mixed gases

2. Flow range
Must match pipeline conditions and peak/low flow variations

3. Environmental conditions
Humidity, corrosion (H₂S), temperature

4. Measurement requirements

  • Basic flow monitoring
  • Custody transfer
  • Energy (CH₄) measurement

5. Output & integration
RS485, Modbus, or SCADA compatibility

6. Installation size (DN32–DN300)

👉 For biogas projects, selecting a meter with CH₄ measurement, corrosion resistance, and low-flow sensitivity is essential for accurate and reliable operation.

Why Choose Instrava

Built on Consistency, Not Claims

Focused on Industrial Applications

We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.

Strict Product Selection Criteria

Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.

Reliable Supply & Quality Consistency

We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.

Practical, Experience-Based Support

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.

Industrial measurement scene showing a worker using a precision measuring instrument to measure and mark material on a workbench, demonstrating the practical application of measuring instruments in manufacturing and processing.

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