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RKL-02 Radar Level Transmitter | High-Precision Sensor for Rivers and Tanks

The RKL-02 is a high-precision river and reservoir level sensor that uses non-contact radar water level technology. Designed for flood monitoring and non-contact flow measurement, this transmitter guarantees continuous, reliable readings in critical environmental conditions, covering industrial ranges of up to 70 meters.

What you should know about this product

  • Long-Range Measurement: Operating capacity up to 70 meters, ideal for large reservoirs and deep channels.

  • Anti-Interference Technology: Small beam angle and concentrated energy ensure high reliability even with nearby obstacles.

  • Ultra Precision: Error margin of only ±3 mm for exact water resource control.

  • Total Safety: Extremely low transmission power, with no risk to human health or the environment.

  • False Echo Filtering: Built-in intelligent system that eliminates erroneous readings for superior stability.

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Product description

The RKL-02 Radar Level Transmitter represents the definitive solution for professional hydrological monitoring. By emitting microwave pulses at the speed of light, the device calculates distance based on the return time of the signal reflected on the liquid surface. This non-contact method prevents wear from corrosion or sedimentation, making it perfect for flood monitoring applications in rivers and channels.

Equipped with a robust aluminum alloy housing and a 304 stainless steel antenna, the RKL-02 withstands extreme temperatures of up to 150°C in the measured medium. Its high-resolution LCD display provides clear local visualization, while its compatibility with RS485 (Modbus-RTU) and 4-20mA outputs facilitates integration into SCADA systems or remote telemetry stations. It is an essential component for environmental protection and hydrographic surveys that require simple installation and minimal maintenance.

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Technical specifications

  • Measurement Range: Available in 10 m, 30 m, 50 m, and 70 m.

  • Accuracy: ±3 mm.

  • Operating Frequency: 6.8GHz (range <30m) / 26GHz (range 30m to 70m).

  • Output Signal: 4-20mA (2-wire) or RS485 (Modbus-RTU).

  • Supply Voltage: 12VDC, 24VDC, or 220VAC.

  • Protection Rating: IP67 (fully sealed against dust and water).

  • Local Display: 128*64 LCD with 1 mm resolution.

  • Operating Temperature: -40°C to +85°C.

  • Medium Temperature: -40°C to +150°C.

  • Medium Pressure: -100 to 100 kPa.

  • Materials: Aluminum alloy housing and 304ss stainless steel antenna.

  • Process Connection: G1½ thread or DN100 flange bracket.

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Recommended uses

  • Hydrological Monitoring: Accurate water level measurement in rivers, lakes, and open channels.

  • Reservoir Management: Fill control in dams and large-scale water reservoirs.

  • Disaster Prevention: Early warning systems for floods and overflows.

  • Environmental Protection: Level surveillance in treatment plants and sensitive aquatic ecosystems.

  • Surveying & Hydrography: Support tool for surveys and watercourse studies.

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