SKU: SENS-0070
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Meskernel LDL-40 Red Visible Laser Precision Range Sensor (40m) - USB to TTL

₹9,719.00 (Inclusive of all taxes)
Out of Stock

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

Description

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.

Key Features

  • Phase-Shift Precision: Utilizes a phase-shift laser measurement principle for high stability and accuracy, minimizing error from target surface color or texture.
  • Multi-Interface Flexibility: Equipped with TTL (3.3V), UART, RS232, and RS485 communication protocols for seamless integration with microcontrollers and industrial networks.
  • Visible Targeting Laser: Features a Class II, 610–690nm red laser for intuitive and precise visual alignment during installation and operation.
  • Compact Embedded Design: Ultra-small form factor (47mm x 25mm) and lightweight construction (15g) enable easy integration into drones, robotic arms, and portable devices.
  • Wide Operating Voltage: Supports a 2.5V to 3.5V DC supply range, compatible with common 3.3V logic systems without requiring a level shifter.
  • Programmable Output: Offers configurable data output formats and baud rates (default 115200 bps) via simple command set for customized application needs.

Applications

  • Precision positioning and obstacle detection in autonomous mobile robots (AMRs) and AGVs.
  • Non-contact distance measurement and level monitoring in industrial automation and warehousing.
  • Integration into UAVs (drones) for altitude hold, terrain following, and landing assistance.
  • Volume calculation and dimensioning systems for logistics and package handling.
  • Embedded sensing for construction equipment (e.g., grade control, excavator arm positioning).

Technical Specifications

Manufacturer Part NumberLDL-40
Measurement Range0.03 – 40 m
Accuracy±3 mm
Measurement PrinciplePhase-shift
Laser Type610–690 nm Visible Red
Laser Safety ClassClass II
Communication InterfacesTTL (3.3V), UART, RS232, RS485
Default Baud Rate115200 bps
Operating Voltage2.5 – 3.5 V DC
Dimensions (L x W)47 mm x 25 mm
Weight15 g

Frequently Asked Questions

What is the operating voltage range for the LDL-40 sensor?

The LDL-40 laser sensor operates on a DC supply voltage between 2.5V and 3.5V. It is designed for direct compatibility with 3.3V logic systems commonly found in microcontrollers and embedded platforms, eliminating the need for an external level shifter.

Which communication interfaces does this laser sensor support?

This sensor supports multiple serial communication protocols: TTL (3.3V logic level), UART, RS232, and RS485. This flexibility allows for direct connection to development boards like Arduino or Raspberry Pi via TTL/UART, or integration into industrial networks using RS485 Modbus or RS232.

How do I align and target the sensor effectively?

The sensor features a visible red laser (610-690nm, Class II) that projects a clear dot onto the target surface. This allows for straightforward visual alignment during installation. Ensure the laser dot is centered on the intended measurement point for optimal accuracy.

Can the output data format or baud rate be configured?

Yes, the LDL-40 sensor is programmable via a set of serial commands. You can configure parameters such as the output data format, measurement units, and baud rate (the default is 115200 bps) to suit your specific application requirements.

Package Includes

  • 1 x Meskernel LDL-40 Red Visible Laser Precision Range Sensor

Additional Information

Weight 0.015 kg
Dimensions 4.7 × 2.5 cm