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ZLYRR10 series radar sensors are radar modules designed specifically for hydrological detection. The module adopts FMCW mode, non-contact installation design, small size and compact structure. With high accuracy, low power consumption and strong anti-interference ability. it is suitable for water level monitoring in lakes and rivers, flash flood warning, water storage ponds, sewage pipe networks and so on.
| Parametric | Notation | Minimum value | Typical value | Maximum values | Unit | Clarification |
| Transmitters | ||||||
| Drequency of emission | ƒ | 77 | 81 | GHz | Bandwidth 4G | |
| Output power（EIRP） | Pout | 13 | 20 | dBm | ||
| Antenna angle | ||||||
| Beamwidth（-3dB） | Horizontal direction | ±25 | ° | |||
| Vertical direction | ±25 | ° | ||||
| Beamwidth（-3dB) External Lens Antenna | Horizontal direction | ±3 | ° | |||
| Vertical direction | ±3 | ° | ||||
| Power supply | ||||||
| Operating voltage | VCC | 9 | 12 | 24 | V | |
| Operating current | ICC | 18 | mA | Typical value | ||
| Exports | RS485 output (optional UART communication version), default baud rate 115200, ASCII/Modbus protocol can be switched freely | |||||
| Environments | ||||||
| Operating temperature | TOP | ﹣45 | 85 | ℃ | ||
| Overall dimensions (LxWxH) | Φ65 x 63 mm | |||||
| Weights | 5 g | |||||
| Measurement Indicators: | ||||||
| Range | 0.15~20m | |||||
| Measurement accuracy | ±5mm | |||||
| Resolution | 1mm | |||||
| start-up time | 100ms Fastest | |||||
80ghz Water Level Meter for sewage pipe networks Specifications and Wiring Definitions
| Pin | Colour | Name | Clarification |
| 1 | Red | Vcc | 12V DC power supply |
| 2 | Black | GND | Negative DC power supply |
| 3 | White/Blue | 485+ | 485 Communication A+ |
| 4 | Yellow/Brown | 485- | 485 Communication B- |
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