Product overview
The ERDI Laser LR1500E4 laser rangefinder combines a 1.5 km range with UART communication.
Cameras & sensors
ERDI Laser LR1500E4 laser rangefinder module with two optical apertures and an exposed circuit boardLR1500E4
The ERDI Laser LR1500E4 is a laser rangefinder with a 1.5 km range and UART communication.
- Applications
- Mapping drones for altitude and terrain distance; long-range handhelds; remote monitoring of stockpile and slope distance.
- Weight
- ≤10 g
- Supply voltage
- 3.3–5 V
- Ingress protection
- IP67
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | ERDI LASER LR1500E4 laser rangefinder module |
| Applications | Mapping drones for altitude and terrain distance; long-range handhelds; remote monitoring of stockpile and slope distance. |
| Laser wavelength | 905 ± 5 nm |
| Measurement range | 4–1500 mStandard range; actual reach depends on target and environment. |
| Ranging accuracy up to 400 m | ±1 mD ≤ 400 m; whiteboard target, 90% reflectivity, 2.3 × 2.3 m. |
| Ranging accuracy above 400 m | ±(1 + 0.001D) mD greater than 400 m; whiteboard target, 90% reflectivity, 2.3 × 4.6 m. |
| Measurement update rate | 2–10 Hz (adaptive)Completed distance outputs; not the optical pulse-repetition rate. |
| Communication interface | UART-TTLCustom interface configurations are specified separately. |
| Baud rate | 115200 bps |
| Supply voltage | 3.3–5 V |
| Operating temperature | −20 °C to +55 °C |
| Storage temperature | −40 °C to +60 °C |
| Mechanical drawing dimensions | 25.7 × 14.2 × 26.2 mmNominal drawing dimensions. |
| Weight | ≤10 g |
| Ingress protection | IP67Lens cavity only; does not cover the exposed board or complete host product. |
| Laser safety class | Class 1 (IEC 60825-1)Module classification; finished-product classification depends on its optical path and configuration. |
| Laser beam divergence | Less than 6 mrad (small laser spot) |
| Optical material | Resin aspheric lens |
| Receiver aperture | 9.2 mm × 14.5 mm |
| Startup time | ≤ 200 ms |
| Inrush current | ≈ 350 mA |
| Sleep power consumption | Less than 1 mWSleep mode. |
| Standby power consumption | ≈ 0.2 WStandby. |
| Short-range power consumption | ≈ 0.4 WShort-range operation. |
| Operating power consumption | ≈ 1 WOperation. |
| Measurement modes | Single-shot and continuous measurement; repeated internal measurements for weak returns before reporting stable distance data.Single-shot mode reports one distance; continuous mode provides repeated results at the adaptive update rate. |
| Electrical pin functions |
|
| Manufacturing | Assembled, aligned, calibrated and accepted in-house in Chengdu. |
| Range | 1.5 km |
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