SPD1200N3 · 905 nm Laser Rangefinder Module
SPD1200N3 规格书：参数、量程条件、接口
下面每个数值都照抄自 SPD1200N3 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。
SPD1200N3 关键参数
| 项目 | 公开值 |
|---|---|
| 型号 | SPD1200N3 |
| 公开量程 | 3–1,000 m (Building target; visibility ≥10 km; humidity ≤60%) |
| 波长 | 905 ± 5 nm |
| 接口 | UART, 3.3 V TTL; customizable |
| 精度 | ±0.5 m at d ≤100 m; ±(0.5 m + 0.00075d) for 100 m < d <1,000 m |
| 更新率 | 2.5–15 Hz |
| 供电 | DC 3.3–5 V |
| 重量 | ≤6 g |
| 尺寸 | 14 × 18 × 22.3 mm; rectangular; 6061 aluminum alloy |
| 激光安全 | IEC Class 1 stated in the ranging specification |
| 价格 | 单价 $37 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 | Ranging emitter; not the indication-laser wavelength |
| Beam divergence | <6 mrad | See the controlled model document |
| Optical element | Aspheric lens | See the controlled model document |
| Receive / transmit aperture | Ø6.5 mm | See the controlled model document |
| Measurement range | 3–1,000 m | Building target; visibility ≥10 km; humidity ≤60% |
| Ranging accuracy | ±0.5 m at d ≤100 m; ±(0.5 m + 0.00075d) for 100 m < d <1,000 m | d is distance in meters; no additional endpoint accuracy inferred |
| Measurement update rate | 2.5–15 Hz | Varies with distance; not the laser pulse repetition rate |
| Measurement success rate | ≥98% | Source rating; validate representative targets and conditions |
| False alarm rate | ≤1% | Source rating; not a universal field guarantee |
| Interface | UART, 3.3 V TTL; customizable | See the controlled model document |
| Default baud rate | 115200 bps | See the controlled model document |
| Supply voltage | DC 3.3–5 V | Does not imply 5 V tolerance on serial inputs |
| Startup time | ≤200 ms | See the controlled model document |
| Instantaneous startup current | Approximately 200 mA | See the controlled model document |
| Standby power consumption | ≤0.3 W | See the controlled model document |
| Average power consumption | ≤0.5 W | See the controlled model document |
| Operating temperature | −20 to +60 °C | See the controlled model document |
| Storage temperature | −30 to +70 °C | See the controlled model document |
| Ingress protection | IP67 within the lens cavity only | Not a whole-module or finished-equipment rating |
| Laser safety class | IEC Class 1 stated in the ranging specification | Do not extend this rating to indication/alignment modes or the finished system without confirmation |
| Nominal body dimensions / material | 14 × 18 × 22.3 mm; rectangular; 6061 aluminum alloy | Use the controlled mechanical drawing and tolerances |
| Weight | ≤6 g | See the controlled model document |
订购 SPD1200N3
SPD1200N3 公开的单台价格为 $95，在最大公开数量档降至每台 $37。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：SPD1200N3 型号页。
FAQ
SPD1200N3 的最大测程是多少？
公开量程为 3–1,000 m (Building target; visibility ≥10 km; humidity ≤60%)。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。
SPD1200N3 用什么接口？
公开的通信接口为 UART, 3.3 V TTL; customizable @ 115200 bps。
SPD1200N3 的激光波长是多少？
公开波长为 905 ± 5 nm; 激光安全条目: IEC Class 1 stated in the ranging specification。
SPD1200N3 多少钱？
SPD1200N3 公开的单台价格为 $95，在最大公开数量档降至每台 $37。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.