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）
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）
Flow Meter Parameter
Technical Specifications of Gas Flow Meter
| Parameter | Specification |
|---|---|
| Nominal Diameter | DN32–DN300 |
| Flow Range | 3–3200 m³/h |
| Accuracy | Class 1.5 |
| Measurement Medium | Biogas, Natural Gas |
| Temperature | -10 ~ 40°C |
| Pressure | ≤200 kPa |
| Humidity | ≤99% |
| CH₄ Measurement | 30–100% (±5% F.S.) |
| Output | RS-485 |
| Power Supply | External + Lithium Battery |
| Explosion Proof | Ex ib IIA T4 Gb |
| Protection Level | IP65 |
| Installation | Thread / Flange |
Instrava OEM/ODM
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.
Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.
Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
Related Product Recommendations
What is a gas flow meter and how is it used in biogas and natural gas systems?
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.
What is the best gas flow meter for biogas measurement?
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.
How does methane (CH₄) concentration measurement improve gas flow monitoring?
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.
What are the advantages of ultrasonic gas flow meters over mechanical gas meters?
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.
Can a gas flow meter work reliably in corrosive biogas environments?
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.
How to choose the right gas flow meter for industrial or biogas applications?
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.
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