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Transmitter
Guided Wave Radar Level Sensor / High-Performance Level Measurement
Instrava Curated Instruments presents a high-performance guided wave radar level sensor, engineered for accurate and reliable level measurement in liquids, solids, and powders across complex industrial environments.
Through our Curated Instruments approach, this solution is optimized for:
- tank level measurement for chemical and petroleum industries
- solid silo level monitoring (powder, grain, cement)
- high temperature and pressure level measurement systems
- continuous level monitoring in harsh industrial conditions
With advanced 80GHz radar technology and intelligent signal processing, this sensor ensures stable, high-precision performance even in dust, vapor, and turbulent environments.
Transmitters & Sensors Description
Accurate Measurement in Complex Conditions
This guided wave radar level sensor delivers:
- Wide measuring range up to 120m for large tanks and silos
- High signal-to-noise ratio for stable readings in fluctuating levels
- Excellent performance in low dielectric materials
- Continuous level measurement with 4–20mA / HART output
Advanced Radar Technology for Reliable Performance
Equipped with 80GHz high-frequency radar, this level sensor features:
- Shorter wavelength → better reflection on inclined surfaces
- Narrow beam angle → reduced interference and stronger signal focus
- Intelligent echo analysis with fast microprocessor
- Stable measurement in dust, vapor, and foam environments
Unlike traditional sensors, this radar level transmitter is:
- Almost unaffected by temperature and pressure changes
- Highly resistant to dust and condensation
- Suitable for complex industrial measurement scenarios
Non-Contact Design with Long-Term Reliability
- Non-contact measurement → no wear, no contamination
- Multiple housing options: aluminum / plastic / stainless steel
- IP67 protection for harsh industrial environments
- Flexible installation: flange or threaded connection
Supports:
- 2-wire / 4-wire systems
- RS485 / Modbus / HART communication
- Integration with PLC / DCS / SCADA systems
Typical Applications
This guided wave radar level sensor is widely used in:
- Chemical storage tanks (acid, alkali, corrosive liquids)
- Oil & gas tank level monitoring
- Cement, grain, and powder silos
- Wastewater and environmental systems
- Food and pharmaceutical liquid level measurement
Suitable for measuring:
- water, wastewater
- acids (HCl, H₂SO₄, HNO₃)
- slurry (cement, lime)
- powders and bulk solids
Transmitters & Sensors Parameter
| Parameter | Specification |
|---|---|
| Measuring Range | 0–60m / 0–120m |
| Application | Liquid / Solid / Powder |
| Output Signal | 4–20mA / HART / RS485 / Modbus |
| Power Supply | 2-wire DC24V / 4-wire DC24V / AC220V |
| Process Temperature | -40°C ~ 200°C |
| Process Pressure | -0.1 ~ 2.0 MPa |
| Protection Level | IP67 |
| Housing Material | Aluminum / Plastic / Stainless Steel |
| Installation | Flange / Thread |
| Radar Frequency | 80 GHz |
Instrava OEM/ODM
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.
What is a guided wave radar level sensor and how does it work?
A guided wave radar level sensor measures level by sending microwave pulses along a probe (waveguide). When the signal reaches the surface of the material, it reflects back to the sensor. The time delay is used to calculate the exact level, providing accurate and stable continuous measurement.
What is the difference between guided wave radar and non-contact radar level sensors?
- Guided wave radar (GWR) uses a probe to guide the signal, making it more stable in small tanks, foam, or turbulent conditions
- Non-contact radar transmits signals through air, ideal for large tanks and high-temperature environments
GWR is better for precision measurement in confined or complex conditions, while non-contact radar is ideal for long-distance measurement.
Can guided wave radar measure solids and powders?
Yes, guided wave radar sensors are widely used for solids, powders, and bulk materials such as cement, grain, and sand. Their guided signal improves reliability even in dusty environments.
What are the advantages of radar level sensors over ultrasonic sensors?
- Radar sensors are not affected by temperature, pressure, or vapor
- Provide more stable readings in dusty or harsh environments
- Higher accuracy in complex industrial conditions
Ultrasonic sensors are more cost-effective but less reliable in harsh environments.
What factors affect radar level measurement accuracy?
Key factors include:
- dielectric constant of the material
- installation position and probe type
- presence of foam or buildup
- tank geometry and internal structures
Advanced radar sensors use signal filtering and echo analysis to minimize these effects.
How do I choose between radar, guided wave radar, and ultrasonic level sensors?
- Choose guided wave radar for high accuracy in small tanks or difficult conditions
- Choose non-contact radar for large tanks and extreme environments
- Choose ultrasonic sensors for cost-effective water level measurement
Selecting the right technology depends on application complexity and required accuracy.
Why Choose Instrava
Built on Consistency, Not Claims
Focused on Industrial Applications
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
Strict Product Selection Criteria
Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
Reliable Supply & Quality Consistency
We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.
Practical, Experience-Based Support
Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.
Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.
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