PRODUCT DETAILS
1、Product Overview
LDRR04 millimeter wave radar is a radar designed and developed specifically for hydrological detection. The radar adopts FMCW mode, non-contact installation design, compact size, and compact structure.High precision, low power consumption, and strong anti-interference ability.Suitable for monitoring water levels in lakes, rivers, flash floods,reservoirs, sewage pipelines, etc.
2、Main parameters of the product
Parameter | Symbol | Minimum | Typical | Maximum | Unit | Note |
Transmitter | ||||||
Transmission frequency | ƒ | 77 | 81 | GHz | bandwidth 4G | |
Output Power（EIRP） | Pout | 13 | 20 | dBm | ||
Antenna angle | ||||||
Beam width（-3dB） | Horizontal direction | 14 | ° | |||
Vertical | 10 | ° | ||||
Power supply | ||||||
Working voltage | VCC | 9 | 12 | 24 | V | |
Working current | ICC | 20 | mA | typical value | ||
Output | RS485 communication mode, | |||||
Working | ||||||
Working temperature | TOP | ﹣45 | + 85 | ℃ | ||
Size | Φ74 | |||||
Weight | 155 g | |||||
Measurement indicators | ||||||
Ranging range | 0.1~40m | |||||
Measurement | ±2mm | |||||
Resolution | 1mm | |||||
Start time | 100msFastest | |||||
Explanation: The radar operates in the frequency band of 80GHz, with a ranging range of 40 meters as the maximum measurement range. Depending on the size of the object's RCS, there may be deviations in the maximum detection distance.
The default configuration of the radar factory is compatible with both ASCII and MODBUS protocols, and the protocol mode can be switched according to the corresponding instructions (please consult the seller for detailed protocol files).
3、Product specifications and wiring definitions
The external interface adopts pure copper IP67
waterproof aviation plug
Pin | Name | Description |
1 | Vcc | 12V DC power supply |
2 | GND | Negative pole of DC power |
3 | 485+ | |
4 | 485- |
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