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Looking for a Radar Level Transmitter Customized for Your Application? Need a Cost-Effective Solution Without Compromising Reliability? Want Multiple Product Options and Fast Technical Quotations from One Supplier? Looking for a reliable supplier with verified manufacturing capabilities?
Instrava serves a global clientele, including EPC contractors, OEM equipment manufacturers, procurement managers, distributors, traders, and engineering consultants. We provide curated product quotations from 3 pre-vetted factories
Standardized Supplier Qualification ProcessEvery manufacturing partner is evaluated through our standardized supplier qualification process before being included in the Instrava sourcing network. The assessment focuses on manufacturing capability, engineering expertise, quality control, delivery reliability, and long-term service support., helping our clients drastically save time on sourcing, screening, and supplier comparison.
Whether you are building new industrial production lines, upgrading and replacing legacy instruments, sourcing for wholesale trade, or requiring custom OEM production, we empower you to secure the most perfectly matched products.
Unsure which radar level transmitter fits your specific medium, temperature, pressure, and installation conditions?
Facing challenging level measurement conditions like high temperatures, high pressures, or corrosive media?
Let’s solve these challenges step by step starting with your process parameters.
When procuring radar level transmitters for a new engineering project, a rigorous purchasing decision requires careful consideration of key factors: measuring range, vessel type & height, medium type, dielectric constant ($\varepsilon_r$), corrosiveness, temperature, pressure, mounting/installation structure, accuracy requirements, output & communication protocols, and explosion-proof ratings.
Note: Specifications may vary depending on manufacturer configuration and customization requirements. Please contact us for detailed technical confirmation.
| Parameter Category | Technical Parameter | Free-Space Non-Contact Radar | Guided Wave Radar (GWR) | Industry & Customer Customization Options |
| Operating Principle | Measurement Mechanism | FMCW (Frequency Modulated Continuous Wave) / Pulse Free-Space Microwave | TDR (Time Domain Reflectometry), Microwaves guided along a probe/cable | — |
| Operating Frequency | Microwave Frequency | 80GHz / 120GHz (High-frequency mainstream) 26GHz / 6GHz (Legacy bands) | 1.8GHz ~ 2.0GHz (High-frequency pulse) | Frequency selection customized based on tank internal obstacles and vessel dimensions |
| Launch Angle | Beam Angle | 3° / 6° / 8° / 14° | N/A (Microwaves travel strictly along the probe/cable) | Application-driven selection: • 3° / 6°: Tall narrow silos, vessels with agitators • 8° / 14°: Large storage tanks, open liquid surfaces |
| Applicable Medium | Medium State | Liquids, Solids (Powder/Bulk/Granules), Slurries, etc. | Liquids, Slurries, Interface (Dual Level), etc. | Medium-specific tailoring: • Low dielectric constant media ($\varepsilon_r \ge 1.1$) • Highly corrosive liquids, high-viscosity/crystallizing media |
| Measuring Range | Measuring Range | 0.1m ~ 30m (Primary for Liquids) 0.3m ~ 150m (Primary for Silos/Solids) (Custom range options available) | 0.1m ~ 45m (Cable type) 0.1m ~ 6m (Rod type) (Custom probe lengths available) | Length Customization: Factory-customized measuring ranges and probe lengths according to client drawings or site depth |
| Accuracy | ±1mm ~ ±2mm | ±2mm ~ ±5mm | Custody-transfer accuracy level (API / OIML certified for fiscal metering) | |
| Dead Zone (Blocking Distance) | 50mm ~ 200mm from antenna tip | 100mm ~ 300mm at top, 50mm at bottom | Optimized ultra-small dead zones for compact vessels | |
| Signal Output | Outputs & Protocols | • Two-wire system / 4..20mA / HART protocol • Four-wire system / 4..20mA / HART protocol • Six-wire system / 4..20mA / HART protocol • Ethernet-APL (Advanced Physical Layer) • Modbus RS485 / Profibus PA / FF | • Two-wire system / 4..20mA / HART protocol • Four-wire system / 4..20mA / HART protocol • Ethernet-APL • Modbus RS485 / Fieldbus | Protocol & IoT Customization: • High-speed Industrial Ethernet via Ethernet-APL • Wireless integration (Bluetooth App configuration, NB-IoT, LoRaWAN) |
| Process Conditions | Process Temperature | Standard: -40℃ ~ 130℃; High Temp: -196℃ ~ 450℃ | Standard: -50℃ ~ 150℃; High Temp: -200℃ ~ 450℃ | Cooling fins, thermal decoupling, or cryogenic extension necks |
| Process Pressure | Vacuum (-0.1 MPa) ~ 16 MPa | Vacuum (-0.1 MPa) ~ 40 MPa (Ultra-high pressure) | Dual hermetic glass seal for high-pressure hydrocracking reactors | |
| Antenna / Probe Customization | Types & Materials | • Horn Antenna (SS316L / Hastelloy) • PTFE / PVDF Drip & Lens Antenna • Flush Hygienic Diaphragm • Parabolic Antenna (Long range & high dust) | • Single / Dual Cable (Flexible) • Single / Dual Rod (Rigid) • Coaxial Tube (For low dielectric media) | Material Options: • Chemical / Acid: Full PTFE/PFA lining/encapsulation • Food & Pharma: 3A / EHEDG mirror-polished sanitaries • Mining / Cement: Heavy-duty wear-resistant cables |
| Mechanical Connection | Process Connection | Thread (G/NPT 3/4″~1.5″), Flange (DN25~DN200), Tri-Clamp | Thread (G/NPT 3/4″~1.5″), Flange (DN25~DN100), Tri-Clamp | ANSI / DIN / JIS standard flanges or custom non-standard flange dimensions/openings |
| Explosion-Proof & Protection | Explosion-Proof Rating | Ex ia IIC T6 Ga (Intrinsic Safety) / Ex db IIC T6 Gb (Flameproof) | Ex ia IIC T6 Ga (Intrinsic Safety) / Ex db IIC T6 Gb (Flameproof) | ATEX, IECEx, NEPSI, CSA global certifications available |
| Ingress Protection | IP66 / IP67 / IP68 | IP66 / IP67 / IP68 | Stainless steel 316L housing option for offshore platforms & saline environments |
Comparing multiple suppliers and looking for a more reliable partner?
Received quotes at various price points and unsure how to evaluate product quality?
Instrava solves your sourcing challenges in China with precision and expertise.
We handpick manufacturers with 10 to 30+ years of industrial expertise, ensuring proven reliability for both product quality and challenging application conditions.
Certified Performance & Quality:
Our curated products hold global industrial certifications, including ATEX (Ex ia / Ex db), IECEx, CCC, FM, CSA, SIL, and CE.
Whether you need a single unit or a custom bulk order, we provide tailored quotes from 3 top-tier factories, empowering you to choose the solution that best fits your exact needs and budget.
Customer-centric product service is the foundational core of everything we build.
Radar Level Transmitters are engineered for continuous, non-contact, high-accuracy level measurement in demanding industrial environments.
The system comprises three core assemblies:
Electronics Assembly: Encompassing the microwave generator, signal detection, and signal processing modules.
Antenna Assembly
Process Connection Assembly
Working Principle:
The sensor transmits microwave pulses toward the target medium via the antenna. Upon hitting the medium surface, the signals are reflected back and received by the system. The time-of-flight (TOF) between transmission and reception determines the exact distance to the material level.
The following section categorizes radar level transmitters according to their specific cross-industry applications.
| Industry Sector | Typical Process Conditions | Recommended Free-Space Non-Contact Radar | Recommended Guided Wave Radar (GWR) | Key Technical Requirements & Features |
| Oil, Gas & Petrochemical (Upstream / Downstream) | High pressure, high temperature, explosive gas, low dielectric constant media (LNG/LPG, Crude Oil) | High-Temp / High-Pressure Radar
• Glass Seal hermetic flange
• Ex db Flameproof housing
• 80GHz Lens Antenna | Coaxial Tube & Interface Cable GWR
• Coaxial type for low $\varepsilon_r$ media
• Dual-signal GWR for Oil-Water Interface | ATEX / IECEx certified, SIL2/SIL3 functional safety, dual-chamber explosion-proof, API 2545 compliance. |
| Chemical & Fine Chemicals | Highly corrosive acids/alkalis, toxic vapors, agitators, vacuum, crystallization | Full PTFE / PFA Encapsulated Radar
• Flange and antenna fully fluoropolymer covered (Drip/Lens antenna) | PTFE / PFA Lined Rod/Cable GWR
• Full PTFE shielded single rod or cable probe | Complete chemical isolation, zero metal exposure, vacuum resistance, false echo suppression for agitators. |
| Mining, Cement & Metallurgy | Extreme dust, long measuring range (up to 150m), high temperature, mechanical abrasion, material heap angle | 80GHz / 120GHz High-Frequency Radar
• Parabolic or Airdrop Lens Antenna
• Continuous Air Purge & Aiming Flange | Heavy-Duty Tension Cable GWR
• High-tensile steel cable with heavy bottom weight | Ultra-narrow beam angle (down to 3°), dust penetration, high-tensile resistance against lateral forces. |
| Power Generation & Energy (Coal, Solar, Nuclear) | High-pressure boiler drums, feed water heaters, molten salt, ash hoppers | High-Temperature Molten Salt Radar
• Thermal decoupling/extension neck | Ultra-High Pressure / High-Temp Rod GWR
• Ceramic sealing (Up to 450℃ & 40MPa) | Heavy-duty process connection, high temperature/pressure resistance, HART / Ethernet-APL protocols. |
| Food, Beverage & Dairy | Sanitary sterile environment, CIP/SIP steam cleaning (130℃), viscous liquids, foam | Hygienic Flush Diaphragm Radar
• Triclamp / Sanitary Flange
• Mirror-polished ($Ra \le 0.38\mu\text{m}$) | Sanitary Quick-Release Single Rod GWR
• FDA-compliant materials
• Easily detachable for cleaning | FDA material compliance, 3-A / EHEDG sanitary certification, CIP/SIP steam cleaning compatibility, dead-zone free. |
| Pharmaceutical & Bio-Tech | Ultra-pure water, fermentation tanks, sterile storage, strict validation requirements | Sanitary Compact 80GHz Radar
• Flush PTFE / PEEK antenna
• Small Tri-clamp connections (1.5″, 2″) | Sanitary Mirror-Polished Rod GWR
• Electropolished 316L SS rod | FDA & USP Class VI material certification, EN 10204 3.1 material traceability, zero dead-space design. |
| Water, Wastewater & Environmental | Open channels, river monitoring, sump pits, humic vapors, outdoor weather exposure | All-Plastic Integrated IP68 Radar
• PVDF / PP enclosure
• Wireless options (NB-IoT / LoRaWAN) | Corrosion-Resistant Cable GWR
• Submersible IP68 probe for deep wells and sumps | IP68 ingress protection, low power consumption (solar/battery compatible), Bluetooth App setup, cost-effective. |
| Pulp & Paper | High-viscosity slurries, wood chips, paper pulp, caustic liquors, foaming tanks | 80GHz Non-Contact Drip Radar
• Non-stick PTFE lens antenna with purging option | Heavy-Duty Single Rod GWR
• Abrasion-resistant rod probe | Anti-caking, immunity to heavy foam and steam condensation, maintenance-free. |
Continuous, non-contact, high-precision 80GHz/120GHz FMCW radar and guided wave radar (GWR) level measurement engineered for extreme temperatures, high pressures, heavy dust, and corrosive process conditions.
In upstream crude oil storage, hydrocracking reactors, LPG/LNG gas spheres, and distillation columns, Radar Level Transmitters deliver high-precision non-contact and guided wave measurement resistant to extreme pressure (-0.1 to 40 MPa) and high temperatures (up to 450°C).
Guided Wave Radar (GWR) excels at measuring low dielectric constant media (εr ≥ 1.1) like light hydrocarbons and Naphtha, while simultaneously tracking oil-water interfaces in separator vessels.
Chemical plants handle aggressive reagents like concentrated sulfuric acid (H₂SO₄), hydrochloric acid (HCl), caustic soda, and volatile organic solvents under intense agitations and toxic vapors.
Non-contact 80GHz radars featuring full PTFE/PVDF encapsulated drip and lens antennas isolate internal electronics 100% from chemical attack. The narrow beam angle easily ignores internal agitators, heating coils, and vessel wall structures.
Measuring level in high-rise cement silos, fly ash hoppers, ore crushers, and grain elevators poses extreme challenges including heavy dust, steep material angle of repose, and long ranges up to 150 meters.
Ultra-high frequency 80GHz & 120GHz FMCW Radars deliver an ultra-narrow 3° beam angle that cuts through dense dust clouds, focusing microwave energy directly onto the uneven solid surface without interference from silo walls.
Thermal power plants, combined-cycle power units, and biomass facilities require ultra-reliable level tracking for high-pressure steam boiler drums, feedwater heaters, deaerators, and turbine oil reservoirs.
High-temperature guided wave radar probes operate continuously under extreme thermal shock, unaffected by fluctuating dielectric constants caused by dense steam phases and shifting steam pressures.
In municipal water treatment, open channels, pumping stations, river gauging, and sewage pits, radar transmitters provide non-contact distance monitoring completely free from maintenance caused by ragging or build-up.
Compact 80GHz water-grade radars feature IP68 submersible enclosures, low power consumption suitable for solar panels, and wireless connectivity (Bluetooth/NB-IoT/LoRaWAN) for remote flood warning systems.
Hygienic manufacturing in dairy processing, brewery fermentation, purified water (PW), and sterile bio-reactors requires total compliance with sanitary standards to eliminate bacterial contamination.
Sanitary 80GHz radar transmitters feature flush PTFE or PEEK diaphragm process connections with mirror-polished surface finish (Ra < 0.38μm), fully supporting Clean-In-Place (CIP) and Sterilization-In-Place (SIP) cycles up to 130°C.
Pulp mills, paper machines, and mineral slurry processing involve viscous, sticky slurries, wood chips, and heavy foaming liquors that quickly clog or blind traditional contact sensors.
80GHz non-contact radar transmitters shoot through dense steam and thick foam without touching the aggressive slurry. Non-stick PTFE lens antennas prevent material build-up and eliminate false trips.
Large commercial fuel storage, offshore FPSO vessels, and marine cargo holds require custody transfer accuracy (±1mm) and international legal metrology approvals for fiscal inventory management.
High-precision 80GHz FMCW radar gauge systems provide continuous tank level tracking, integrated temperature compensation, and remote inventory monitoring resistant to marine salt-spray corrosion.
Professional FMCW 80GHz / 120GHz & Guided Wave Radar (GWR) level gauges for Oil & Gas Tank Farms, Chemical Vessels, Solid Silos, Hygienic Food & Pharma applications.
Selecting items in the spec matrix above will auto-generate your detailed engineering payload below.
1. Inquiry (We will respond to your inquiry within 24 hours to confirm specifications and initiate the process.)
2. Quotation (Quotation timelines vary based on the project type and your specific requirements. Standard stock items are quoted within one day, while special orders require three days or a mutually agreed-upon timeframe.)
3. Product Selection (We will present 3–5 product options and pricing for your approval. During this stage, we verify the manufacturer’s production capabilities and relevant national certifications.)
4. Contract, Prepayment, and Production (A 40% prepayment is required to initiate production at a qualified facility. For stock items, we promptly arrange for product testing and packaging.)
5. Interim Payment (Upon successful completion of production and quality inspection, the next 50% of the total amount is due. For stock items, this payment is made after packaging is complete.If the transaction amount does not exceed $50,000, the remaining 60% is paid.)
6. Shipment (You may designate a freight forwarder, or we can arrange shipping for you.)
7. Receipt of Goods (Our Quality Guarantee: When your cumulative order value reaches $50,000, you pay the remaining 10% only after receiving and verifying the product quality. We let our quality do the talking.)
8. After-Sales Service (We actively address and resolve issues through both online and offline channels. We place great importance on after-sales support, as it reflects our responsibility and reputation—the foundation of Instrava’s long-term growth.)
Buying from Instrava gives you the best of both worlds—the direct-from-source pricing of a factory, combined with the professional service, product range, and risk mitigation of an elite sourcing partner. Here is how we deliver value to your business:
Unbiased Market Curation (More Choices & Better Prices): Unlike single factories that only praise their own capacity, or traditional trading companies restricted by personal connection networks, we evaluate the entire Chinese manufacturing landscape. We benchmark and source from multiple verified factories to secure the most competitive pricing and the exact product specifications you need.
100% Transparency (Your “Brain” in China): We never hide behind the veil of being a “fake manufacturer.” We act as your transparent, in-country purchasing department. You always know exactly who is producing your goods, how much they cost, and what the real lead times are.
Uncompromised Quality & Risk Mitigation: Our business is built on long-term partnerships, not one-off high-profit transactions. We perform strict, independent quality control from your perspective before shipment, protecting you from post-purchase defects and communication breakdowns.
Streamlined Communication & Service: No more dealing with slow, production-centric factory service. We provide a single, highly responsive point of contact that manages the entire supply chain—from negotiation and quality checks to shipping logistics—saving you time and reducing headaches.
Level gauge, flowmeter, transmitter, level switch, Gas Alarm Controllers etc.
Our customer-centric philosophy prioritizes their procurement needs.
1. Initially confirm the manufacturer based on product pricing and the strength and qualifications of the production factory.
2. Verify the manufacturer’s production environment through video and on-site inspections to check the compliance of the entire product manufacturing process.
3. Ensure post-production product testing and retain data and video evidence from the verification process(testing and verification methods vary depending on the product).
Firstly, we confirm the packaged products with the factory (different products require different packaging and shipping methods. Heavy equipment and bulk shipments are securely secured within sea freight containers using custom-designed engineering steel frames, heavy-duty multi-layer wooden crates, and industrial-grade vacuum rust-proof bags. Precision instruments are protected against impacts and maintained in a stable position; the factory has extensive experience in this area. Custom labels are affixed to the outer packaging).
Secondly, we maintain communication with the freight company to confirm the condition of the goods and advise them to handle the loading and unloading processes with care.
1. Instrava offers a comprehensive 12 to 24-month warranty (specific warranty period depends on the product line), covering all manufacturing and component defects.
2. When online technical support is needed, customers can connect with factory engineers online. Real-time guidance is provided for installation, on-site calibration (for instruments), and commissioning. When on-site engineer support is needed, we will arrange for an engineer to visit the site.
3. In the event of component issues, we will ship replacement parts via international express delivery (DHL/FedEx) to minimize your project downtime.
4. Whether a product requires replacement or repair will be clearly stated in the purchase contract.
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
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Submit your manufacturing requirements, and our team will get back to you with professional solutions within 24 hours.