Non-contact liquid level radar | 80GHz mmWave sensor for tanks | 0.3–60 m | ±0.01 m accuracy | RS422 | 9–24V DC | for measuring water, wastewater and hydrological system levels

Technical Specifications

Technology: millimeter-wave radar (mmWave)
Frequency range: 76–81 GHz
Measurement range: 0.3 – 60 m
Measurement accuracy: ±0.01 m
Distance resolution: 0.02 m (optional)
Beam angle: 4.5°
Data update rate: 10 Hz (adjustable)
Measurement parameters: height, distance, liquid surface position
Communication interface: RS422
Power supply voltage: 9–24 V DC
Current consumption: 0.05 – 0.12 A
Energy consumption: very low
Housing: stainless steel construction
Sensor dimensions: 7.5 × 12 cm
Mounting type: depends on the system / application used
Main features: high-resolution radar, high measurement accuracy, stable operation in industrial environments, non-contact liquid level measurement

Functions

Non-contact liquid level measurement – measures the liquid surface without touching the medium, therefore requires no maintenance
80 GHz mmWave radar technology – ensures accurate and stable measurement under various conditions
High measurement accuracy – up to ±0.01 m accuracy
Wide measurement range – from 0.3 m to 60 m
Narrow beam angle (4.5°) – precise measurement in narrow tanks
Fast data update – up to 10 Hz real-time monitoring
RS422 communication interface – easy integration into automation systems
Low energy consumption – suitable for energy-saving systems
Universal application – suitable for monitoring levels in tanks, reservoirs, and water systems

Usage

For household users: This radar can be used for monitoring the level of rainwater tanks, wells or water reservoirs, automatic pump control, and water supply monitoring in homesteads

For electricians: Can be integrated into various systems such as water tower monitoring systems, pumping station automation, tank level control, wastewater system monitoring, and building engineering systems

For engineers and automation specialists: This radar is suitable for industrial and infrastructure systems such as water treatment plants, chemical industry tanks, oil and fuel reservoirs, river or canal water level monitoring, and IoT smart infrastructure projects

Advantages

Very high measurement accuracy (±1 cm)
Non-contact operation – no maintenance required
Measurement range up to 60 m
Narrow 4.5° beam angle – accuracy even in narrow tanks
Low energy consumption
Suitable for IoT and automation systems
Reliable operation in demanding industrial environments
RS422 industrial communication

Disadvantages

Requires a compatible control system (PLC / controller) for full functionality
More complex installation for inexperienced users
RS422 interface may require additional converters for some systems