LRF1200A1 · 905 nm Laser Rangefinder Module
LRF1200A1 规格书：参数、量程条件、接口
下面每个数值都照抄自 LRF1200A1 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。
LRF1200A1 关键参数
| 项目 | 公开值 |
|---|---|
| 型号 | LRF1200A1 |
| 公开量程 | 5–1,200 m (Building target; the source table gives ≥5–1200 m.) |
| 波长 | 905 nm |
| 接口 | UART, 3.3 V TTL |
| 精度 | ±1 m (5 m ≤ L ≤ 100 m); ±(1 + 0.004L) m (L > 100 m) |
| 更新率 | 1–3 Hz |
| 供电 | 3.3 V ± 0.1 V (one older section says 3.3–5 V; confirm before wiring) |
| 重量 | 18 g |
| 尺寸 | Ø23 × 40 mm or Ø23 × 48 mm (sources differ; confirm the supplied drawing) |
| 激光安全 | Class 1 (source panel inconsistent; confirm) |
| 价格 | 单价 $35 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 nm | |
| Measurement range | 5–1,200 m | Building target; the source table gives ≥5–1200 m. |
| Ranging accuracy | ±1 m (5 m ≤ L ≤ 100 m); ±(1 + 0.004L) m (L > 100 m) | L is distance in meters. |
| Display resolution | 0.1 m | Reporting increment, not ranging accuracy. |
| Measurement update rate | 1–3 Hz | |
| Interface | UART, 3.3 V TTL | |
| Supply voltage | 3.3 V ± 0.1 V (one older section says 3.3–5 V; confirm before wiring) | |
| Standby power consumption | ≤400 mW | |
| Operating power consumption | ≤1.5 W | |
| Startup time | ≤500 ms | |
| Dimensions | Ø23 × 40 mm or Ø23 × 48 mm (sources differ; confirm the supplied drawing) | Cylindrical; use the drawing tolerances. |
| Weight | 18 g | |
| Operating temperature | −20 °C to +55 °C or +60 °C (sources differ) | |
| Storage temperature | −55 °C to +65 °C | |
| Ingress protection | IP67 | Lens only. |
| Laser safety class | Class 1 (source panel inconsistent; confirm) | As stated in the model manual; finished-equipment assessment is separate. |
| Transmitter lens diameter | Ø6.6 mm | |
| Receiver lens diameter | Ø18 mm |
公开的应用场景
- Handheld optics
- Industrial ranging
- Security optics
订购 LRF1200A1
LRF1200A1 公开的单台价格为 $90，在最大公开数量档降至每台 $35。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：LRF1200A1 型号页。
FAQ
LRF1200A1 的最大测程是多少？
公开量程为 5–1,200 m (Building target; the source table gives ≥5–1200 m.)。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。
LRF1200A1 用什么接口？
公开的通信接口为 UART, 3.3 V TTL。
LRF1200A1 的激光波长是多少？
公开波长为 905 nm; 激光安全条目: Class 1 (source panel inconsistent; confirm)。
LRF1200A1 多少钱？
LRF1200A1 公开的单台价格为 $90，在最大公开数量档降至每台 $35。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.