Product overview
The ERDI LR1500D23 laser rangefinder provides 1.5 km ranging and UART communication.
Cameras & sensors
LR1500D23 laser rangefinder module with exposed circuit boards and circular optical housingLR1500D23
The ERDI LR1500D23 is a laser rangefinder with 1.5 km ranging and a UART interface.
- Applications
- Long-range tube instruments, outdoor monitoring, stockpile and slope distance measurement from fixed mounts, and gimbal payloads beside camera optics
- Weight
- ≈ 20 g
- Dimensions
- Ø23 mm × 45.6 mm
- Supply Voltage
- 3.3 V – 5 V (recommended supply voltage ≥ 3.5 V)
Specifications
| Specification | Value & conditions |
|---|---|
| Product | ERDI LR1500D23 905 nm laser rangefinder module for OEM integration |
| Applications | Long-range tube instruments, outdoor monitoring, stockpile and slope distance measurement from fixed mounts, and gimbal payloads beside camera optics |
| Laser Wavelength | 905 nm ± 5 nm |
| Laser Beam Divergence | Less than 6 mrad |
| Optical Material | Resin aspheric lens |
| Receiver Aperture | 20 mm ± 0.05 mm |
| Ranging Frequency | 2–10 Hz |
| Ranging Resolution | Typical resolution: 10 cm |
| Valid Measurement Rate | ≥ 98% |
| False Alarm Rate | ≤ 1% |
| Communication Interface | UART - TTL, customizable |
| Baud Rate | 115200 bps |
| Supply Voltage | 3.3 V – 5 V (recommended supply voltage ≥ 3.5 V)Recommended supply voltage ≥ 3.5 V. |
| Operating Power Consumption | Maximum power consumption in continuous ranging less than 0.8 W; average power consumption ≈ 0.6 WMaximum power consumption applies to continuous ranging. |
| Peak Current | Typical startup inrush current ≈ 300 mA (at typical 3.3 V supply)Startup at typical 3.3 V supply. |
| Operating Temperature | −20 °C to +55 °C (custom version available down to −40 °C)Custom version available down to −40 °C. |
| Storage Temperature | −40 °C to +60 °C |
| Protection Rating | Lens cavity IP67 (no whole-module rating)Lens cavity only. |
| Laser Safety Class | IEC Class 1 |
| Dimensions | Ø23 mm × 45.6 mm |
| Weight | ≈ 20 g |
| Shock | 1000 g/ms (10 times/s along the optical axis)10 times/s along the optical axis. |
| Vibration | 5–50–5 Hz, 1 octave/min, 2.5 g |
| Reliability | MTBF ≥ 1500 h |
| Manufacturer Certifications | ERDI TECH: ISO 9001 · CE EMC |
| Manufacturing | Assembled, aligned, calibrated and accepted in-house in Chengdu |
| Ranging Distance | 1.5 km |
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