80GHz Millimeter Wave Ranging Radar Measure For Water Level
LDRR04 millimeter-wave radar is a radar specifically designed and developed for hydrological detection.
This radar adopts FMCW mode, features a non-contact installation design, is compact in size and has a compact structure. High precision, low power consumption and strong anti-interference ability.
1. High Precision & Resolution
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Accuracy: ±3mm
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Resolution: 1mm
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Suitable for precise water level monitoring
2. Long Detection Range
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Range: 0.1 ~ 40m
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Covers most hydrological monitoring scenarios
3. Ultra-Low Power Consumption
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Current: 20mA @ 12V (typical)
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Operating voltage: 9–24V DC
4. Fast Startup
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Startup time: 100ms (fastest)
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Ready for immediate operation
5. Robust Environmental Protection
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Operating temperature: -45°C to +85°C
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Connector: IP67 waterproof aviation plug
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Suitable for outdoor and harsh environments
6. Flexible Communication
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Interface: RS485 (115200 baud rate)
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Protocols: ASCII / MODBUS (freely switchable)
Main Parameters
| Part number | LDRR04 |
| Transmission frequency | 77-81GHz |
| Output Power (EIRP) | 13-20dBm |
| Beam width | Horizontal ±7°,Vertical ±5° |
| Working voltage | 9-24V |
| Working current | 20mA |
| Communication | RS485 |
| Baud rate | 115200 |
| Protocol | ASCII/Modbus |
| Temperature | -45℃~+85℃ |
| External dimensions (diameter x height) | 74 x 29.7 mm |
| Weight | 155g |
| Measurement accuracy | ±3mm |
| Ranging range | 0.1-40m |
| Resolution | 1mm |
| Start-up time | 100ms |
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Application
The 120GHz radar system can precisely measure the distance of stationary or moving targets. The output of the sensor can be configured based on the filtering results of the range or signal strength.
Technical Support & Custom Solution
We provide datasheet, dimension drawing, interface protocol, demo code and technical support.
Support sample test, ODM/OEM customized service, welcome global customers to inquire and cooperate.
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