量程档 · 3 km
3 km 激光测距模块：6 款 ERDI 型号对比
6 款 ERDI 模块的公开最大量程在 2.3 km 到 4.1 km 之间。表中每个量程都附有测试目标。
3 km 档对比
| 型号 | 公开量程 | 波长 | 接口 | 精度 | 重量 | 价格 |
|---|---|---|---|---|---|---|
| LRF0105C | Reference target 2.3 × 2.3 m: ≥3,000 m; human-size target 0.5 × 1.7 m: ≥1,500 m… | 1535±5nm | ±2 m | ≤29±1 g | 单价 $300 起 | |
| LRF0310C | ≥3,000 m. Source names a 2.3 × 2.3 m reference target; parenthetical: 2.3 × 4.6 m board… | 1535±5nm | ±1 m | ≤32±1 g | 单价 $300 起 | |
| LRF3000A1 | ≥3,000 m | 905 ± 10 nm | UART, 3.3 V TTL | ±0.7 m (D ≤ 100 m); ±(0.7 + 0.003D) m (D > 100 m) | 12 ± 0.5 g | 单价 $80 起 |
| 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 |
量程测试条件
| 型号 | 公开量程 | 目标与条件 |
|---|---|---|
| LRF0105C | Reference target 2.3 × 2.3 m: ≥3,000 m; human-size target 0.5 × 1.7 m: ≥1,500 m. Reflectance 30%; visibility ≥5 km. | |
| LRF0310C | ≥3,000 m. Source names a 2.3 × 2.3 m reference target; parenthetical: 2.3 × 4.6 m board or vehicle, relative humidity ≤60%, visibility ≥8 km. Row heading: reflectance 30%, visibility ≥5 km. See the source clarification below; target and visibility descriptions are inconsistent. | |
| LRF3000A1 | ≥3,000 m | 70%-reflectivity building target; clear weather; visibility ≥4 km. |
| 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 |
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 3 km 激光测距模块 价格最低？
所列型号中 LRF3000A1 公开价格最低，单价 $80 起，含运费。
哪款 3 km 激光测距模块 最轻？
LRF3000A1 重 12 ± 0.5 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.
- LRF0105C — LRF0105C 1535 nm Laser Rangefinder Module
- LRF0310C — LRF0310C 1535 nm Laser Rangefinder Module
- LRF3000A1 — LRF3000A1 905 nm Laser Rangefinder Module
- LRF0405C — LRF0405C 1535 nm Laser Rangefinder Module
- LRF0305C — LRF0305C 1535 nm Laser Rangefinder Module
- LRF0306C — LRF0306C 1535 nm Laser Rangefinder Module