LRF1831C · 1535 nm Laser Rangefinder Module
LRF1831C 规格书：参数、量程条件、接口
下面每个数值都照抄自 LRF1831C 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。
LRF1831C 关键参数
| 项目 | 公开值 |
|---|---|
| 型号 | LRF1831C |
| 公开量程 | a) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for Target 1 (5 m × 15 m) is ≥ 6,500 m. b) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for a target with diffuse reflectance not less than 30% (20 m × 20 m) is ≥ 12,000 m. |
| 波长 | 1535 ±5 nm |
| 接口 | RS422 |
| 精度 | ±2 m |
| 更新率 | 0.5Hz ~10Hz |
| 供电 | DC12 V |
| 重量 | ≤410g |
| 尺寸 | 113 × 76 × 90mm |
| 激光安全 | Class I stated in the module document. Final accessible-emission classification applies to the complete configuration. |
| 价格 | 单价 $3,500 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 | 1535 ±5 nm | |
| Module laser-safety statement | Class I stated in the module document. Final accessible-emission classification applies to the complete configuration. | |
| Divergence Angle | ≤1.3 mrad | |
| Laser Energy | ≥350 μJ | |
| Main Functions of the Laser Rangefinder: | a) Single-shot and continuous ranging; b) Three-target ranging with near/far target indication; c) Self-test function (including current APD temperature, high-voltage value, internal voltage, and blind-zone value); d) Standby wake-up function. | |
| Receiver Lens Diameter | Ø60 mm | |
| Measurement range | a) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for Target 1 (5 m × 15 m) is ≥ 6,500 m. b) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for a target with diffuse reflectance not less than 30% (20 m × 20 m) is ≥ 12,000 m. | |
| Minimum range | ≤50 m | |
| Measurement frequency | 0.5Hz ~10Hz | |
| Interface | RS422 | |
| Ranging accuracy | ±2 m | |
| Range Resolution | ≤0.1 m | |
| Precision Rate | ≥98% | |
| False alarm rate | ≤1% | |
| Pin-in-lead package model | J30J | |
| Supply voltage | DC12 V | |
| Standby power consumption | ≤1.2W | |
| Average power consumption | ≤2 W | |
| Peak Power Consumption | ≤3W | |
| Weight | ≤410g | |
| Dimension (L×W×H) | 113 × 76 × 90mm | |
| 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 LRF1831C
LRF1831C 公开的单台价格为 $7,000，在最大公开数量档降至每台 $3,500。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：LRF1831C 型号页。
FAQ
LRF1831C 的最大测程是多少？
公开量程为 a) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for Target 1 (5 m × 15 m) is ≥ 6,500 m. b) Under line-of-sight conditions, with visibility not less than 15 km and humidity not greater than 80% (at 30 °C), the ranging distance for a target with diffuse reflectance not less than 30% (20 m × 20 m) is ≥ 12,000 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。
LRF1831C 用什么接口？
公开的通信接口为 RS422。
LRF1831C 的激光波长是多少？
公开波长为 1535 ±5 nm; 激光安全条目: Class I stated in the module document. Final accessible-emission classification applies to the complete configuration.。
LRF1831C 多少钱？
LRF1831C 公开的单台价格为 $7,000，在最大公开数量档降至每台 $3,500。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.
- LRF1831C — LRF1831C 1535 nm Laser Rangefinder Module