量程档 · 5 km
5 km 激光测距模块：7 款 ERDI 型号对比
7 款 ERDI 模块的公开最大量程在 3.8 km 到 6.8 km 之间。表中每个量程都附有测试目标。
5 km 档对比
| 型号 | 公开量程 | 波长 | 接口 | 精度 | 重量 | 价格 |
|---|---|---|---|---|---|---|
| LRF0405C | 4,000 m or more at 30% reflectance and visibility of at least 6 km | 1535 +/- 5 nm | UART, 3.3 V TTL level | +/-2 m | ≤32 ±1 g (notation as printed in the current module table) | 单价 $400 起 |
| LRF0305C | ≥ 4,000m @60% Reflectivity, Building Target ≥3,000m @30% Reflectivity, 2.3 × 2.3m Target… | 1535±5nm | UART(TTL 3.3V) | ±1 m | ≤14 ±1 g (notation as printed in the module document) | 单价 $300 起 |
| LRF0306C | ≥ 4,000m @60% Reflectivity, Building Target ≥3,000m @30% Reflectivity, 2.3 × 2.3m Target… | 1535±5nm | UART(TTL 3.3V) | ±1 m | ≤14 ±1 g (notation as printed in the module document) | 单价 $300 起 |
| LRF0609C | Under visibility ≥ 12 km and relative humidity ≤ 60%, tested against a 0.3-reflectivity… | 1535 nm ± 10 nm | TTL | ≤ ±2 m | ≤ 62 g | 单价 $800 起 |
| LRF0610C | Reference target(2.3m × 2.3m) ≥6,000m Measuring human target(0.5m × 1.7m) ≥1,500m | 1535±5nm | ±2 m | ≤90g | 单价 $700 起 | |
| LRF0612C | Reference target(2.3m × 2.3m) ≥6,000m Measuring human target(0.5m × 1.7m) ≥1,200m | 1535±5nm | ±2 m | ≤ 58±1g | 单价 $700 起 | |
| LRF1831C | a) Under line-of-sight conditions, with visibility not less than 15 km and humidity not… | 1535 ±5 nm | RS422 | ±2 m | ≤410g | 单价 $3,500 起 |
量程测试条件
| 型号 | 公开量程 | 目标与条件 |
|---|---|---|
| LRF0405C | 4,000 m or more at 30% reflectance and visibility of at least 6 km | |
| LRF0305C | ≥ 4,000m @60% Reflectivity, Building Target ≥3,000m @30% Reflectivity, 2.3 × 2.3m Target ≥1,500m @30% Reflectivity, 0.5 × 1.7m Target ≥800m @30% Reflectivity, 0.2 × 0.3m Target | |
| LRF0306C | ≥ 4,000m @60% Reflectivity, Building Target ≥3,000m @30% Reflectivity, 2.3 × 2.3m Target ≥1,500m @30% Reflectivity, 0.5 × 1.7m Target ≥800m @30% Reflectivity, 0.2 × 0.3m Target | |
| LRF0609C | Under visibility ≥ 12 km and relative humidity ≤ 60%, tested against a 0.3-reflectivity panel (or equivalent target): Vehicle (2.3 m × 4.6 m): ≥ 6,000 m; | |
| LRF0610C | Reference target(2.3m × 2.3m) ≥6,000m Measuring human target(0.5m × 1.7m) ≥1,500m | |
| LRF0612C | Reference target(2.3m × 2.3m) ≥6,000m Measuring human target(0.5m × 1.7m) ≥1,200m | |
| LRF1831C | a) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for Target 1 (5 m × 15 m) is ≥ 6,500 m. b) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for a target with diffuse reflectance not less than 30% (20 m × 20 m) is ≥ 12,000 m. |
集成
所有 UART 型号共用一套帧格式，文档在 erdi-lrf-drivers，附 ArduPilot、ROS 2、Arduino、树莓派和 STM32 示例。每个型号页都链接到各自的接线、驱动和价格页。
FAQ
哪款 5 km 激光测距模块 价格最低？
所列型号中 LRF0305C 公开价格最低，单价 $300 起，含运费。
哪款 5 km 激光测距模块 最轻？
LRF0609C 重 ≤ 62 g，是所列型号中最轻的。
为什么每个量程数字都带条件？
各厂商测量程用的目标不同（白板、建筑、10% 反射率），能见度也不同。没有条件的数字无法比较，所以本页把条件列在每个量程旁边。
Related guides
Model records
Open the model page for the full specification table, downloads, published price and ordering.
- LRF0405C — LRF0405C 1535 nm Laser Rangefinder Module
- LRF0305C — LRF0305C 1535 nm Laser Rangefinder Module
- LRF0306C — LRF0306C 1535 nm Laser Rangefinder Module
- LRF0609C — LRF0609C 1535 nm Laser Rangefinder Module
- LRF0610C — LRF0610C 1535 nm Laser Rangefinder Module
- LRF0612C — LRF0612C 1535 nm Laser Rangefinder Module
- LRF1831C — LRF1831C 1535 nm Laser Rangefinder Module