Class-1 D series
LR1500D23
905 nm Class 1 DToF rangefinder module
Ranging envelope
4–1,500 m
Key parameters
- Ranging range
- 4–1,500 m
- Accuracy
- ±1 m
- Frequency
- 2–10 Hz
- Interface
- UART-TTL
- Envelope
- Ø23 × 45.6 mm
- Mass
- ≈ 20 g
Published price
$140 USD / unit
Entry-band unit price at the smallest published quantity. Shipping and Incoterms are confirmed in the quotation.
Longer-reach Class-1 tube module — 4–1,500 m at ±1 m over UART-TTL, for outdoor and long-range distance sensing.
Designed into
- Outdoor instruments
- Security
- Surveying
Emitter
905 nm ± 5 nm
Verified specifications
Every figure below is published together with the condition it was measured under. Where the source states no condition, the column is left empty rather than filled in.
| Parameter | Value | Condition |
|---|---|---|
| Laser wavelength | 905 nm ± 5 nm | Source technical table |
| Laser beam divergence | < 6 mrad | Source technical table |
| Optical material | Resin aspheric lens | Source technical table |
| Receiver aperture | 20 mm ± 0.05 mm | Source technical table |
| Ranging range | 4–1,500 m | Source technical table |
| Ranging accuracy | δ ≤ ±1 m, 4 ≤ d < 1,000 m (standard version ±1 m) | Source technical table |
| Ranging frequency | 2–10 Hz | Source technical table |
| Ranging resolution | 10 cm typical | Source technical table |
| Valid measurement rate | ≥ 98% | Source technical table |
| False alarm rate | ≤ 1% | Source technical table |
| Interface | UART-TTL | Customizable |
| Baud rate | 115200 bps | Source technical table |
| Supply voltage | 3.3–5 V (recommended ≥ 3.5 V) | Source technical table |
| Operating power | Max < 0.8 W continuous · average ≈ 0.6 W | Source technical table |
| Average laser power | On request | Source technical table |
| Response time | On request | Source technical table |
| Peak / inrush current | ≈ 300 mA | 3.3 V typical |
| Operating temperature | -20 to +55 ℃ (-40 ℃ custom) | Source technical table |
| Storage temperature | -40 to +60 ℃ | Source technical table |
| Protection rating | Lens cavity IP67 | Source technical table |
| Laser safety class | IEC Class 1 | Source technical table |
| Dimensions | Ø23 mm × 45.6 mm | Source technical table |
| Weight | ≈ 20 g | Source technical table |
| Shock / vibration | 1000 g/ms (10×/s along optical axis) · 5–50–5 Hz, 2.5 g | Source technical table |
| Reliability | MTBF ≥ 1500 h | Source technical table |
Pin assignment
| Pin | Signal | Description |
|---|---|---|
| 1 | GND | Power − |
| 2 | VCC | Power + |
| 3 | I/O | Reserved for expansion |
| 4 | TXD | Module → host |
| 5 | RXD | Host → module |
| 6 | SW-SHOT | Function enable (active high) |
Adjacent models