FRL21 Series

FRL21 Radar Level Meter, featuring American-imported chips and high-frequency dual-circuit microcomputer processing technology, excels in liquid and material level measurement and control. Its high-sensitivity electronic components deliver precise and stable readings.

FRL21 Series
FRL21-C Clabe Type	FRL21-R Rod Type
FRL21-L Hom Type ( Universal )	FRL21-H Arc Type ( Full PTFE )-1
FRL21-H Arc Type ( Full PTFE )-2	FRL21 (customized model )

Main Features

• Display：Millimeter-level liquid level display, percentage

• Wave Frequency：6.3GHz. 26GHz. 80GHz

• Emission Angle：3° 、7°

• Accuracy：± 5mm. ± 2mm

• Repeatability：± 0.1%

• Built-in temperature compensation function

• Original imported integrated board card chip head is interchangeable

• Explosion-proof cast aluminum casing with IP67 waterproof rating

• 20+ Global Certifications: CE, IECEx, SIL 2/3, API 670, and ISO 9001 compliance.

• 48-Hour Emergency Support: Worldwide technical response network.

• Multilingual Engineering Teams: Fluent in EN/JP for seamless collaboration.

• Extreme Environment Expertise: -200°C to 3000°C measurement solutions.

• High-Performance Materials: Hastelloy C276.

• Custom OEM/ODM Services: Rapid prototyping in 72 hours.

About F&V GROUP

F&V GROUP is a global industrial measurement company committed to delivering innovative, energy-efficient solutions for temperature, pressure, flow, and level applications. Established in 2021, the group unites strong international expertise with localized manufacturing and service capabilities.

Our journey began in 2011 with the founding of FVLUOKY in Wales, UK—a brand built on precision engineering and technological excellence. Over the years, FVLUOKY became a trusted name in industrial measurement across international markets.

To better serve the Asia-Pacific region, Fuyi Intelligent Instrument (Shanghai) Co., Ltd. was established in 2019, introducing FVLUOKY’s product lines to China with localized assembly, testing, and innovation. Fuyi products are fully certified (ISO, CE, TS, CPA) and tailored to regional industry needs.

With the formation of F&V GROUP in 2021, our brands were strategically integrated to accelerate global growth. By 2024, F&V had become a leading force in China and began expanding its footprint to international markets—bringing high-performance, sustainable measurement solutions to customers worldwide.

At F&V, we combine global innovation with local insight—driven by a commitment to quality, sustainability, and customer success.

Q: What certifications do your instruments have?

A: All our instruments carry international certifications including CE, IECEx, and SIL to ensure compliance with global standards.

Q: Can your instruments be used in hazardous environments?

A: Yes, we offer explosion-proof and intrinsically safe versions certified for use in hazardous areas (Zone 0/1/2).

Q: How often should instruments be calibrated?

A: We recommend annual calibration for most applications, with more frequent calibration (6 months) for critical processes or harsh environments.

Q: What is your product warranty period?

A: We provide a standard 24-month warranty, with extended warranty options available.

Q: Do you offer custom solutions?

A: Yes, we specialize in customized solutions tailored to specific process requirements, including special materials, ranges, and outputs.

Q: Do you provide installation and commissioning support?

A: We offer comprehensive technical support including installation guidance, commissioning assistance, and operator training.

Q: How do I troubleshoot instrument issues?

A: Our 24/7 technical support team can assist with troubleshooting, and we provide detailed manuals with diagnostic procedures.

Q: Can your instruments integrate with existing control systems?

A: Yes, our instruments are designed for easy integration with all major DCS, PLC, and SCADA systems.

Q: What maintenance is required for your instruments?

A: Our instruments are designed for minimal maintenance, with self-diagnostic features and easy-access components when service is needed.

Q: What industries do you typically serve?

A: Our instruments are widely used in oil & gas, chemical, power generation, water treatment, pharmaceutical, and food processing industries.

Q: How do I select the right instrument for my application?

A: Our application engineers can help you select the optimal solution based on your process conditions, media characteristics, and performance requirements.

Q: What types of measurements are the FRL21 radar level meter suitable for?

A: It is suitable for liquid level and material level measurement and control.

Q: What are the available accuracy options for the FRL21 series?

A: The available accuracy options are ±5mm and ±2mm.

Q: How does a radar level meter differ from an ultrasonic level meter in principle?

A: A radar level meter uses electromagnetic waves, while an ultrasonic level meter uses sound waves.

Q: What is an advantage of radar level meters regarding the influence of vacuum?

A: Radar level meters use electromagnetic waves and are not affected by vacuum, unlike ultrasonic level meters.

Q: Are radar level meters suitable for measuring corrosive media?

A: Yes, radar level meters can measure corrosive media.

Q: How does the抗干扰 ability of radar level meters compare to ultrasonic level meters?

A: Radar level meters have superior anti-interference ability compared to ultrasonic level meters, especially in conditions with stirring, large liquid surface fluctuations, and steam.

Q: Does the FRL21 provide graphical assistance for measurement?

A: Yes, it has an echo curve graphic display to make measurement easier.

Q: What types of outputs and communication options are available for the FRL21?

A: It provides a 4-20mA output, percentage display, and can be equipped with HART and RS485 communication.