LR1200D23 · 905 nm Laser Rangefinder Module
LR1200D23 datasheet: specifications, range conditions, interface
Every value below is copied from the published LR1200D23 specification table with its test condition, so you can compare it with other modules on equal terms.
LR1200D23 key specifications
| Item | Published value |
|---|---|
| Model | LR1200D23 |
| Published range | 4 m – 1,200 m (max. 1,200 m) (Target reflectivity, target dimensions and atmospheric test conditions are not stated in the reviewed public technical table; confirm the applicable controlled document.) |
| Wavelength | 905 nm ± 5 nm |
| Interface | UART - TTL, customizable |
| Accuracy | δ ≤ ±1 m, 4 m ≤ d < 1000 m¹) (Standard version: ±1 m) |
| Update rate | 2–10 Hz |
| Supply | 3.3 V – 5 V (recommended supply voltage ≥ 3.5 V) |
| Weight | ≈ 20 g |
| Dimensions | Ø23 mm × 45.6 mm |
| Laser safety | IEC Class 1 |
| Price | From $130 per unit |
Full specification table
ERDI published product specifications, captured 2026-10-08.
| Parameter | Published value | Condition / note |
|---|---|---|
| Laser wavelength | 905 nm ± 5 nm | |
| Laser beam divergence | < 6 mrad | |
| Optical material | Resin aspheric lens | |
| Receiving aperture | 20 mm ± 0.05 mm | |
| Measurement range | 4 m – 1,200 m (max. 1,200 m) | Target reflectivity, target dimensions and atmospheric test conditions are not stated in the reviewed public technical table; confirm the applicable controlled document. |
| Ranging accuracy | δ ≤ ±1 m, 4 m ≤ d < 1000 m¹) (Standard version: ±1 m) | The reviewed public technical table carries a ¹) marker without defining that footnote. Target reflectivity, target dimensions and atmospheric test conditions are not stated there; confirm the applicable controlled document before using this accuracy figure. |
| Measurement frequency | 2–10 Hz | |
| Ranging Resolution | Typical resolution: 10 cm | |
| Valid measurement rate | ≥ 98% | |
| False alarm rate | ≤ 1% | |
| Interface | UART - TTL, customizable | |
| Baud rate | 115200 bps | |
| Supply voltage | 3.3 V – 5 V (recommended supply voltage ≥ 3.5 V) | |
| Operating Power Consumption | Maximum power consumption in continuous ranging < 0.8 W; average power consumption ≈ 0.6 W | |
| Peak current | Typical startup inrush current ≈ 300 mA (at typical 3.3 V supply) | |
| Operating temperature | −20 °C to +55 °C (custom version available down to −40 °C) | |
| Storage temperature | −40 °C to +60 °C | |
| Protection rating | None (lens cavity IP67) | |
| 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) | |
| Vibration | 5–50–5 Hz, 1 octave/min, 2.5 g | |
| Reliability | MTBF ≥ 1500 h |
Connector pinout
| Pin | Signal | Note |
|---|---|---|
| 1 | GND | Power − |
| 2 | VCC | Power + |
| 3 | I/O (Reserved) | Reserved for expansion |
| 4 | TXD | Signal output port, Ranging Module → Host |
| 5 | RXD | Signal input port, Host → Ranging Module |
| 6 | SW-SHOT | Function Enable (active high) Note: Compatible with active-low control requirements |
Ordering the LR1200D23
The published single-unit price of the LR1200D23 is $130. Prices include shipping and are ordered directly from erdilrf.com. Technical questions and quantity quotes: tommy@erdimail.com. Full specification table, downloads and ordering: LR1200D23 model page.
FAQ
What is the maximum range of the LR1200D23?
The published range is 4 m – 1,200 m (max. 1,200 m) (Target reflectivity, target dimensions and atmospheric test conditions are not stated in the reviewed public technical table; confirm the applicable controlled document.). 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 LR1200D23 use?
The published communication interface is UART - TTL, customizable @ 115200 bps.
What laser wavelength does the LR1200D23 use?
The published wavelength is 905 nm ± 5 nm; laser safety entry: IEC Class 1.
How much does the LR1200D23 cost?
The published single-unit price of the LR1200D23 is $130. Prices include shipping and are ordered directly from erdilrf.com.
Related guides
Model records
Open the model page for the full specification table, downloads, published price and ordering.
- LR1200D23 — LR1200D23 905 nm Laser Rangefinder Module