LR2000E4 · 905 nm Laser Rangefinder Module
LR2000E4 规格书：参数、量程条件、接口
下面每个数值都照抄自 LR2000E4 公开参数表并附测试条件，便于和其他模块在同等条件下比较。
LR2000E4 关键参数
| 项目 | 公开值 |
|---|---|
| 型号 | LR2000E4 |
| 公开量程 | 4–2,000 m (Standard range; actual reach depends on target and environment.) |
| 波长 | 905 ± 5 nm |
| 接口 | UART-TTL |
| 精度 | ±1 m (D ≤ 400 m); 0.4% of D (400 m < D ≤ 2,000 m) |
| 更新率 | 2–10 Hz (adaptive) |
| 供电 | 3.3–5 V |
| 尺寸 | 25.7 × 14.2 × 26.2 mm |
| 激光安全 | Class 1 |
| 价格 | 单价 $50 起 |
完整参数表
ERDI published product specifications, captured 2026-10-08.
| 参数 | 公开值 | 条件 / 备注 |
|---|---|---|
| Laser wavelength | 905 ± 5 nm | |
| Measurement range | 4–2,000 m | Standard range; actual reach depends on target and environment. |
| Ranging accuracy | ±1 m (D ≤ 400 m); 0.4% of D (400 m < D ≤ 2,000 m) | Target reflectivity and size are not specified in the accuracy table. |
| Measurement update rate | 2–10 Hz (adaptive) | Completed distance outputs; not the optical pulse-repetition rate. |
| Interface | UART-TTL | Custom configurations are specified separately. |
| Baud rate | 115200 bps | |
| Supply voltage | 3.3–5 V | |
| Operating temperature | −20 °C to +60 °C | |
| Storage temperature | −40 °C to +60 °C | |
| Mechanical drawing dimensions | 25.7 × 14.2 × 26.2 mm | Drawing nominal values. Observe the individual tolerances in the model drawing; do not machine from the rounded summary alone. |
| Laser safety class | Class 1 | As stated in the model manual; finished-equipment assessment is separate. |
| Laser beam divergence | < 6 mrad | |
| Optical material | PMMA | |
| Receiving aperture | 9.2 mm × 14.5 mm | |
| Startup time | ≤ 200 ms | |
| Inrush current | < 400 mA | |
| Operating power consumption | ≈ 1.2 W | Approximate value in the specification table. |
公开的应用场景
- Long-range industrial
- Outdoor systems
- Surveying
订购 LR2000E4
LR2000E4 公开的单台价格为 $120，在最大公开数量档降至每台 $50。价格含运费，直接在 erdilrf.com 下单。 技术问题与批量报价：tommy@erdimail.com。完整参数表、资料下载与下单：LR2000E4 型号页。
FAQ
LR2000E4 的最大测程是多少？
公开量程为 4–2,000 m (Standard range; actual reach depends on target and environment.)。量程数字只有连同测试目标和条件一起看才可比较，所以每个数值旁都列出了条件。
LR2000E4 用什么接口？
公开的通信接口为 UART-TTL @ 115200 bps。
LR2000E4 的激光波长是多少？
公开波长为 905 ± 5 nm; 激光安全条目: Class 1。
LR2000E4 多少钱？
LR2000E4 公开的单台价格为 $120，在最大公开数量档降至每台 $50。价格含运费，直接在 erdilrf.com 下单。
Related guides
Model records
Open the model page for the full specification table, downloads, published price and ordering.