LRF1222C · 1.54 µm Laser Rangefinder Module
LRF1222C 规格书：参数、量程条件、接口
下面每个数值都照抄自 LRF1222C 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。
LRF1222C 关键参数
| 项目 | 公开值 |
|---|---|
| 型号 | LRF1222C |
| 公开量程 | Reference target(2.3m × 2.3m) ≥12 km |
| 波长 | 1.54μm±0.02μm |
| 接口 | RS422 |
| 精度 | ±2 m |
| 更新率 | 0.5Hz ~10Hz |
| 供电 | DC12 V |
| 重量 | ≤335g |
| 尺寸 | Ø58 × 134 mm |
| 激光安全 | Class I stated in the module document. Final accessible-emission classification applies to the complete configuration. |
| 价格 | 单价 $1,300 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 | 1.54μm±0.02μm | |
| Module laser-safety statement | Class I stated in the module document. Final accessible-emission classification applies to the complete configuration. | |
| Divergence Angle | ≤0.3 mrad | |
| Laser Energy | ≥300 μJ | |
| Launch Lens Diameter | Ø16.5 mm | |
| Receiver Lens Diameter | Ø40 mm | |
| Measuring Range （Reflectance 30%; visibility ≥ 12 km.） | Reference target(2.3m × 2.3m) ≥12 km | |
| Minimum range | ≤40 m | |
| Measurement frequency | 0.5Hz ~10Hz | |
| Interface | RS422 | |
| Ranging accuracy | ±2 m | |
| Range Resolution | ≤0.1 m | |
| Precision Rate | ≥98% | |
| False alarm rate | ≤1% | |
| Connector / interface alternatives | J30J / RS-422 in the specification table; Molex 51021-0500 / TTL alternative in the interface section. Confirm the ordered version. | |
| Supply voltage | DC12 V | |
| Standby power consumption | ≤1.2W | |
| Average power consumption | ≤2 W | |
| Peak Power Consumption | ≤3W@10Hz | |
| Weight | ≤335g | |
| Dimension (L×W×H) | Ø58 × 134 mm | |
| Operating temperature | −40～+70 °C | |
| Storage temperature | −55～+75 °C | |
| Impact Resistance | Meet the MIL-STD-810G testing standard | |
| Vibration Resistance | Meet the MIL-STD-810G testing standard | |
| External plug-in XS3 | Model ：Molex51021-0500 | Remark |
连接器引脚定义
| 引脚 | 信号 | 说明 |
|---|---|---|
| 1 | TTL RX | 3.3V |
| 2 | TTL TX | 3.3V |
| 3 | CTRL | 3.3V-5V power on, 0V power off |
| 4 | +12V | Power supply+ |
| 5 | GND | Power supply- |
| 1 | GND | Serial Port Ground |
| 2 | GND | 12V Input Negative |
| 3 | GND | 12V Input Negative |
| 4 | VCC 5V | 12V Input Positive |
| 5 | VCC 5V | 12V Input Positive |
| 6 | RS422 RX+ | Serial Port Receive + |
| 7 | RS422 RX- | Serial Port Receive - |
| 8 | RS422 TX- | Serial Port Transmit - |
| 9 | RS422 TX+ | Serial Port Transmit + |
订购 LRF1222C
LRF1222C 公开的单台价格为 $3,400，在最大公开数量档降至每台 $1,300。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：LRF1222C 型号页。
FAQ
LRF1222C 的最大测程是多少？
公开量程为 Reference target(2.3m × 2.3m) ≥12 km。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。
LRF1222C 用什么接口？
公开的通信接口为 RS422。
LRF1222C 的激光波长是多少？
公开波长为 1.54μm±0.02μm; 激光安全条目: Class I stated in the module document. Final accessible-emission classification applies to the complete configuration.。
LRF1222C 多少钱？
LRF1222C 公开的单台价格为 $3,400，在最大公开数量档降至每台 $1,300。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.
- LRF1222C — LRF1222C 1.54 µm Laser Rangefinder Module