LRF1200A1 · 905 nm Laser Rangefinder Module
LRF1200A1 datasheet: specifications, range conditions, interface
Every value below is copied from the published LRF1200A1 specification table with its test condition, so you can compare it with other modules on equal terms.
LRF1200A1 key specifications
| Item | Published value |
|---|---|
| Model | LRF1200A1 |
| Published range | 5–1,200 m (Building target; the source table gives ≥5–1200 m.) |
| Wavelength | 905 nm |
| Interface | UART, 3.3 V TTL |
| Accuracy | ±1 m (5 m ≤ L ≤ 100 m); ±(1 + 0.004L) m (L > 100 m) |
| Update rate | 1–3 Hz |
| Supply | 3.3 V ± 0.1 V (one older section says 3.3–5 V; confirm before wiring) |
| Weight | 18 g |
| Dimensions | Ø23 × 40 mm or Ø23 × 48 mm (sources differ; confirm the supplied drawing) |
| Laser safety | Class 1 (source panel inconsistent; confirm) |
| Price | From $35 per unit |
Full specification table
ERDI published product specifications, captured 2026-10-08.
| Parameter | Published value | Condition / note |
|---|---|---|
| Laser wavelength | 905 nm | |
| Measurement range | 5–1,200 m | Building target; the source table gives ≥5–1200 m. |
| Ranging accuracy | ±1 m (5 m ≤ L ≤ 100 m); ±(1 + 0.004L) m (L > 100 m) | L is distance in meters. |
| Display resolution | 0.1 m | Reporting increment, not ranging accuracy. |
| Measurement update rate | 1–3 Hz | |
| Interface | UART, 3.3 V TTL | |
| Supply voltage | 3.3 V ± 0.1 V (one older section says 3.3–5 V; confirm before wiring) | |
| Standby power consumption | ≤400 mW | |
| Operating power consumption | ≤1.5 W | |
| Startup time | ≤500 ms | |
| Dimensions | Ø23 × 40 mm or Ø23 × 48 mm (sources differ; confirm the supplied drawing) | Cylindrical; use the drawing tolerances. |
| Weight | 18 g | |
| Operating temperature | −20 °C to +55 °C or +60 °C (sources differ) | |
| Storage temperature | −55 °C to +65 °C | |
| Ingress protection | IP67 | Lens only. |
| Laser safety class | Class 1 (source panel inconsistent; confirm) | As stated in the model manual; finished-equipment assessment is separate. |
| Transmitter lens diameter | Ø6.6 mm | |
| Receiver lens diameter | Ø18 mm |
Published applications
- Handheld optics
- Industrial ranging
- Security optics
Ordering the LRF1200A1
The published single-unit price of the LRF1200A1 is $90, falling to $35 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com. Technical questions and quantity quotes: tommy@erdimail.com. Full specification table, downloads and ordering: LRF1200A1 model page.
FAQ
What is the maximum range of the LRF1200A1?
The published range is 5–1,200 m (Building target; the source table gives ≥5–1200 m.). A range figure is only comparable together with the target and conditions it was measured on, so the condition is listed next to the value.
Which interface does the LRF1200A1 use?
The published communication interface is UART, 3.3 V TTL.
What laser wavelength does the LRF1200A1 use?
The published wavelength is 905 nm; laser safety entry: Class 1 (source panel inconsistent; confirm).
How much does the LRF1200A1 cost?
The published single-unit price of the LRF1200A1 is $90, falling to $35 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com.
Related guides
- LRF1200A1 UART wiring, pinout and protocol
- LRF1200A1 Pixhawk / ArduPilot setup
- LRF1200A1 ROS 2 driver
- LRF1200A1 Arduino library
- LRF1200A1 Raspberry Pi Python reader
- LRF1200A1 price and ordering
- LRF1200A1 power supply and current
- LRF1200A1 accuracy and range test conditions
- LRF1200A1 dimensions and weight
- UART laser rangefinder modules
- 905 nm laser rangefinder modules
- Class 1 laser rangefinder modules
- gimbal and payload laser rangefinder modules
- security and perimeter monitoring laser rangefinder modules
- industrial and level measurement laser rangefinder modules
Model records
Open the model page for the full specification table, downloads, published price and ordering.