Intrinsically Safe Radar Level Sensor | Ex Ia IIC T6 Ga 80GHz FMCW Transmitter

The Intrinsically Safe Radar Level Sensor is a professional low-energy explosion-proof level measuring device based on 80GHz FMCW radar technology. Different from conventional flameproof explosion-proof radars that rely on thick sealed enclosures, this intrinsically safe radar adopts intrinsically safe circuit design that strictly limits internal current, voltage and energy output. Under any normal or fault conditions, it cannot generate sparks or high temperature hot surfaces that may ignite flammable gas, vapor or dust clouds.

Rated with the highest Ex ia IIC T6 Ga explosion-proof grade, it is applicable to Zone 0 continuous explosive hazardous areas, which ordinary explosion-proof radar sensors cannot support. With compact structure, low power consumption and high measurement accuracy, it is especially suitable for fine chemical, pharmaceutical, biotech and high-purity process tank level monitoring, achieving safe and maintenance-free level detection in the strictest explosive industrial environments.

Most general explosion-proof radar level sensors adopt flameproof (Ex d) structure, which only meets Zone 1 and Zone 2 intermittent hazardous area requirements. Their heavy closed housing cannot be opened live, and there are hidden ignition risks in continuous flammable gas environments.

This intrinsically safe Ex ia radar fundamentally eliminates ignition risks by limiting circuit energy rather than relying on shell isolation. It supports Zone 0 continuous explosive atmosphere, allowing live debugging and maintenance on site without powering down the equipment. Meanwhile, the 80GHz narrow-beam FMCW technology ensures stable measurement for clean liquids, low-viscosity solvents and micro-corrosion process media. It is the safest and most professional level monitoring solution for high-standard fine chemical and pharmaceutical explosion-proof scenarios, completely different from conventional general explosion-proof radar products.

Highest Ex ia IIC T6 Ga Intrinsically Safe Grade

Adopts full intrinsically safe circuit design with ultra-low energy output. No spark or high-temperature surface is generated during operation or circuit failure. It safely adapts to Zone 0 continuous explosive hazardous areas, meeting the most stringent industrial explosion-proof standards.

Live Debugging & Maintenance Available

Different from flameproof radar that requires power-off operation, this intrinsically safe radar supports live opening, parameter setting and on-site debugging, greatly improving on-site maintenance efficiency and avoiding production shutdown losses.

Advanced 80GHz FMCW High-Precision Measurement

Mainstream 76~81GHz FMCW radar technology with concentrated signal energy and 3° narrow beam. It effectively filters false echoes from tank walls and tiny obstacles, delivering stable ±3mm high-precision level output for process precision control.

Compact & Lightweight Structure

No bulky thick-wall explosion-proof shell. The miniaturized body is lightweight and easy to install, suitable for reaction kettles, small process tanks and compact production line equipment in fine chemical workshops.

Clean & Pollution-Free Measurement

Non-contact radar measuring principle with high-purity PTFE antenna, no medium contact, no contamination. It fully meets sanitary and clean production requirements for pharmaceutical, food and high-purity chemical industries.

Stable Adaptability to Complex Process Conditions

Immune to slight steam, foam, liquid fluctuation and medium density changes. IP67 high-level sealing ensures stable long-term operation in indoor workshop and mild outdoor industrial environments.

This intrinsically safe radar level sensor is professionally optimized for high-standard explosion-proof hazardous areas and fine process industrial scenarios. It features full low-energy circuit protection, highest Zone 0 explosion-proof capability and high-precision 80GHz FMCW measurement performance. All technical indicators comply with international industrial safety and precision measurement standards for hazardous environments.

Pharmaceutical & Biochemical Industry

Level monitoring for drug solvent tanks, fermentation tanks and high-purity chemical reaction kettles, meeting clean production and highest explosion-proof safety standards.

Fine Chemical & Volatile Solvent Industry

Safe level measurement for alcohol, ketone, ester and various volatile flammable liquid storage tanks, suitable for continuous explosive gas environments.

Oil & Petrochemical Auxiliary System

Precision level detection for light oil tanks, intermediate transfer tanks and low-pressure flammable medium vessels with strict safety requirements.

High-Standard Hazardous Waste Treatment

Stable and safe level monitoring for flammable waste liquid storage tanks, ensuring zero ignition risk in continuous hazardous atmosphere.

1. This intrinsically safe radar is dedicated for high-standard Zone 0/1/2 explosive environments. For ordinary non-explosive workshops, general radar models are more cost-effective.

2. It must be matched with an intrinsically safe safety barrier and certified intrinsically safe power supply during installation to ensure compliance with explosion-proof standards.

3. Not applicable for ultra-high pressure, ultra-high temperature and heavy dust solid silo scenarios, where flameproof radar or parabolic antenna radar is recommended.

Q1: What is the difference between intrinsically safe radar and ordinary explosion-proof radar?

Ordinary explosion-proof radar is mostly Ex d flameproof type, only for Zone 1/2. Intrinsically safe Ex ia radar limits internal energy fundamentally, supports Zone 0 continuous explosive areas, and allows live maintenance, which is safer and more advanced.

Q2: Is Ex ia higher level than Ex d?

Yes. Ex ia IIC T6 Ga is the highest explosion-proof grade in industrial standards, suitable for the most dangerous continuous explosive atmospheric conditions that Ex d cannot cover.

Q3: Can this radar be debugged live on site?

Yes. The full low-energy circuit design ensures no ignition risk during live opening and parameter setting, greatly improving on-site operation convenience.

Q4: Does intrinsically safe radar require a safety barrier?

Yes. To meet complete Zone 0 certification requirements, an explosion-proof safety barrier must be installed in the control room to protect the field intrinsically safe circuit.

All technical parameters shown above are for general reference only. Final product configuration and supporting explosion-proof accessories will be professionally customized according to your actual hazardous zone level, medium characteristics, temperature, pressure and on-site electrical specifications. Please provide your specific project demands, and our professional technical team will offer the safest and most cost-effective intrinsically safe radar level sensor solution and accurate factory quotation.

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