Meskernel LDL-40 Red Visible Laser Precision Range Sensor (40m) - USB to TTL
The Meskernel LDL-40 is a high-precision laser distance sensor utilizing a phase-shift principle for measurements from 0.03m to 40m with ±3mm accuracy. It features a visible red laser for easy targeting and communicates via TTL (3.3V), UART, RS232, and RS485 interfaces for flexible integration with microcontrollers, PLCs, and industrial automation systems.
Features
- High-precision phase-shift measurement with ±3mm accuracy over a 0.03–40m range.
- Visible red laser (610–690nm, Class II) for straightforward target alignment and visual confirmation.
- Multi-protocol communication support includes TTL (3.3V), UART, RS232, and RS485 interfaces.
- Compact and lightweight design (47mm x 25mm, 15g) for space-constrained embedded applications.
- Wide operating voltage range of 2.5V to 3.5V with a standard 115200 bps baud rate.
Out of stock
The Meskernel LDL-40 laser range sensor employs an advanced phase-shift measurement principle to deliver stable and accurate distance readings. This method ensures high repeatability and resistance to ambient light interference, making it suitable for both indoor and controlled outdoor environments. The integrated visible red laser diode provides a clear targeting point, simplifying setup and alignment in complex systems.
Engineered for industrial and embedded integration, the sensor outputs data through a versatile serial interface. Its support for TTL (3.3V logic), UART, RS232, and RS485 allows for direct connection to a wide array of control systems, from Arduino and Raspberry Pi platforms to standard PLCs and RS485-based data acquisition networks. The compact, rugged housing ensures reliable performance in automation, robotics, and precision positioning applications.
Additional Information
| Weight | 0.015 kg |
|---|---|
| Dimensions | 4.7 × 2.5 cm |














