Compact tube series (B / C)
LR1000B23
905 nm Class 1 DToF rangefinder module
Ranging envelope
4–1,000 m (max 1,200 m)
Key parameters
- Ranging range
- 4–1,000 m (max 1,200 m)
- Accuracy
- ±1 m
- Frequency
- 2–10 Hz
- Interface
- UART-TTL
- Envelope
- Ø23 × 45.6 mm
- Mass
- ≈ 20 g
Published price
$40 USD / unit
Entry-band unit price at the smallest published quantity. Shipping and Incoterms are confirmed in the quotation.
A light, low-power 905 nm ranging core in a Ø23 × 45.6 mm cylindrical body. 4–1,000 m (max 1,200 m) at ±1 m over UART-TTL, with an optional angle-sensing version — sized for monoculars, thermal imagers and telescopes.
Designed into
- Night vision
- Thermal imagers
- Telescopes
- Laser illuminators
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 divergence | < 6 mrad | Source technical table |
| Optical material | PMMA | Source technical table |
| Receiving aperture | 20 mm ± 0.05 mm | Source technical table |
| Ranging range | 4–1,000 m (max 1,200 m) | Source technical table |
| Ranging accuracy | δ ≤ ±1 m, 6 m ≤ d < 1,000 m | Source technical table |
| Ranging frequency | 2–10 Hz (up to 30 Hz custom) | Source technical table |
| Ranging resolution | 10 cm typical | Source technical table |
| Accuracy 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 | < 0.8 W continuous · ≈ 0.6 W average | Source technical table |
| Angle option | -70° to +70°, ±0.3° (custom) | Source technical table |
| 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 |
| 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) |
Engineering references
Where LR1000B23 is worked through
These are the pages that use this model as a worked example, not a general reading list.
Adjacent models