In industrial storage and process systems, monitoring the level of liquids or bulk solids is essential to ensure safe, continuous, and efficient operation. Conventional level measurement methods are often affected by temperature, pressure, vapor, dust, or the corrosive properties of the process medium. To overcome these limitations, F&V Group has developed its Radar Level Meter series utilizing high-frequency radar technology, enabling highly accurate non-contact level measurement with stable performance under demanding operating conditions.

The F&V Group Radar Level Meter is widely used in water storage tanks, chemical tanks, oil and gas facilities, cement silos, food processing plants, pharmaceutical facilities, water treatment systems, and many other industrial applications, providing reliable continuous level monitoring with high measurement accuracy.

1. What is the F&V Group Radar Level Meter?

The F&V Group Radar Level Meter is a continuous level measurement instrument that utilizes microwave radar technology to determine the distance between the sensor and the surface of the process medium without direct contact.

The instrument transmits high-frequency electromagnetic waves from the antenna toward the surface of the liquid or solid material. The reflected radar signal returns to the sensor, where it is processed to calculate the distance and the corresponding level inside the tank.

Thanks to its non-contact measuring principle, the F&V Group Radar Level Meter is suitable for applications involving:

• High temperatures.
• High pressures.
• Steam.
• Foam.
• Dust.
• Corrosive chemicals.
• Hazardous and explosive environments.

The instrument provides stable and accurate level measurement with minimal influence from process conditions.

2. Operating Principle of the Radar Level Meter

The Radar Level Meter operates based on the Time of Flight (TOF) measuring principle, which determines the travel time of transmitted and reflected radar waves.

The operating sequence is as follows:

• The transmitter emits high-frequency radar waves through the antenna.
• The radar waves travel toward the surface of the process medium.
• The reflected signal returns to the sensor.
• The signal processor measures the transmission and reflection time.
• The distance between the sensor and the material surface is calculated.
• The liquid or solid level is determined according to the tank height.
• The measurement result is transmitted to the PLC, DCS, or SCADA system via standard industrial output signals.

Because electromagnetic waves travel at an extremely high speed, the instrument can provide highly accurate level measurement even in large storage tanks.

3. Construction of the F&V Group Radar Level Meter

Radar Antenna

The antenna is responsible for transmitting and receiving radar signals.

Depending on the model, F&V Group offers various antenna types, including:

• Horn antenna.
• Lens antenna.
• Rod antenna.
• PTFE antenna for chemical applications.
• Stainless steel antenna for industrial applications.

Transmitter and Receiver

This module transmits radar waves and receives the reflected signals from the surface of the process medium.

Signal Processing Unit

The integrated microprocessor employs advanced signal filtering algorithms to:

• Eliminate false echoes.
• Improve measurement stability.
• Deliver accurate measurements in environments containing steam or dust.

Display

Many models are equipped with an LCD display showing:

• Level value.
• Distance.
• Percentage.
• Operating status.
• Configuration parameters.

Protective Housing

The housing is manufactured from:

• Aluminum alloy.
• Stainless steel.

It provides a high ingress protection rating for excellent dustproof and waterproof performance.

Electrical and Signal Connections

The instrument supports:

• 24 VDC power supply.
• 4–20 mA analog output.
• HART communication protocol.
• Multiple wiring configurations compatible with industrial automation systems.

4. F&V Group Radar Level Meter Product Series

F&V Group offers various Radar Level Meter models to meet different application requirements.

Radar Level Meter for Liquid Measurement

Designed for measuring:

• Clean water.
• Wastewater.
• Oil.
• Solvents.
• Chemicals.
• Acids.
• Alkalis.

Radar Level Meter for Solid Measurement

Suitable for measuring:

• Cement.
• Coal.
• Sand.
• Plastic pellets.
• Grain.
• Powder.

High-Frequency Radar Level Meter

Utilizes high-frequency radar technology to provide:

• Narrow beam angle.
• High resolution.
• Accurate measurement in narrow tanks.

Threaded Connection Type

Suitable for:

• Pipelines.
• Small tanks.
• Process equipment.

Flanged Connection Type

Designed for:

• Industrial storage tanks.
• Large vessels.
• Silos.

Explosion-Proof Version

Specifically designed for:

• Chemical plants.
• Oil and gas facilities.
• Fuel storage terminals.
• Hazardous areas with explosion risks.

5. Technical Specifications

The F&V Group Radar Level Meter is available in multiple configurations with the following typical specifications:

• Non-contact radar measuring technology.
• Continuous level measurement.
• High measurement accuracy.
• Long measuring range.
• 4–20 mA analog output.
• HART communication support.
• 24 VDC power supply.
• Multiple antenna options.
• Threaded or flanged process connections.
• Stainless steel or PTFE wetted materials.
• IP66/IP67/IP68 protection rating (depending on the model).
• Explosion-proof versions for hazardous environments.

Detailed specifications may vary according to the model and application requirements.

6. Outstanding Features of the F&V Group Radar Level Meter

The F&V Group Radar Level Meter offers numerous outstanding features:

• Non-contact level measurement.
• High measurement accuracy.
• Unaffected by the color of the process medium.
• Unaffected by pressure.
• Unaffected by temperature.
• Reliable operation in steam environments.
• Stable performance in dusty conditions.
• No moving mechanical parts.
• Long service life.
• Minimal maintenance.
• Easy integration with industrial automation systems.

7. Advantages of Using the Radar Level Meter

Using a Radar Level Meter provides numerous operational benefits:

• Continuous real-time level monitoring.
• Improved process control accuracy.
• Reduced maintenance costs.
• No wear caused by contact with the process medium.
• Stable operation under harsh process conditions.
• Increased production efficiency.
• Prevention of tank overflow.
• Protection of equipment and systems.
• Support for digital transformation in industrial facilities.

8. Practical Applications

The F&V Group Radar Level Meter is widely used in:

• Water treatment plants.
• Clean water treatment facilities.
• Wastewater treatment systems.
• Chemical plants.
• Food processing plants.
• Beverage manufacturing plants.
• Pharmaceutical factories.
• Cement plants.
• Thermal power plants.
• Paper mills.
• Mining industry.
• Oil and gas industry.
• Fuel storage facilities.
• Raw material silos.
• Chemical storage tanks.
• Oil storage tanks.
• Industrial water storage tanks.

9. Guide to Selecting the Appropriate Radar Level Meter

To select the appropriate model, the following factors should be considered:

According to the Process Medium

• Liquids.
• Powdered solids.
• Granular materials.
• Corrosive chemicals.
• Oil.

According to Tank Height

Select an instrument with a measuring range suitable for the actual height of the tank or silo.

According to Operating Temperature

Choose a model capable of operating within the required process temperature range.

According to Operating Pressure

For pressurized vessels, select a model compatible with the operating pressure.

According to Process Connection

• Threaded connection.
• Flanged connection.

According to Output Signal

• 4–20 mA.
• HART communication.

10. Installation and Maintenance Guidelines

Installation

To ensure accurate operation of the Radar Level Meter:

• Install the instrument according to the manufacturer’s instructions.
• Avoid installation directly above the filling inlet or areas with strong material flow.
• Ensure that the antenna is free from obstructions.
• Configure the instrument according to the tank height and process medium.
• Verify the output signal after installation.

Maintenance

The Radar Level Meter requires very little routine maintenance. However, it is recommended to:

• Periodically inspect the antenna surface.
• Clean dust or process deposits when necessary.
• Inspect electrical connections.
• Verify the output signal.
• Perform calibration when required according to the manufacturer’s recommendations.

11. Why Choose the F&V Group Radar Level Meter?

F&V Group is a trusted manufacturer of industrial instrumentation and automation solutions with extensive industry experience. Its Radar Level Meter products are designed in accordance with international standards, providing excellent measurement accuracy, durability, and reliable operation across a wide range of industrial applications.

Choosing the F&V Group Radar Level Meter offers numerous advantages:

• Advanced radar technology.
• High accuracy and reliability.
• Multiple models for various applications.
• Easy integration with PLC, DCS, and SCADA systems.
• Long service life with low maintenance costs.
• Professional technical support and application-specific solutions.

12. Quotation and Technical Consultation

The price of the F&V Group Radar Level Meter depends on several factors, including:

• Product model.
• Measuring range.
• Antenna type.
• Process connection.
• Construction material.
• Operating temperature and pressure.
• Communication protocol.
• Explosion-proof version.
• Order quantity.

To receive an accurate quotation and professional consultation on selecting the most suitable F&V Group Radar Level Meter for your liquid or solid level measurement application, please contact our technical team. We are ready to provide the optimal level measurement solution that meets your technical requirements and ensures long-term operational reliability for your industrial process.