NLMB3000A 1535nm 3km Laser Ranging Module

NTRON NLMB3000A is a professional 1535nm DPSS laser rangefinder module featuring an ultra-lightweight (≤32g) design. It delivers 3000m long-range precision with ±1m accuracy, specifically optimized for high-velocity UAV payloads, gimbal integration, and high-fidelity industrial sensors.

Range: ≥ 3000m (Large Target) | ±1m Accuracy
Safety: Certified Class 1 Eye-Safe (1535nm)
SWaP: Miniature footprint (≤ 48 × 30.5 × 21mm)
Weight: Industry-Leading ≤ 32g

I. NLMB3000A 1535nm DPSS Laser Rangefinder Module

3km Long-Range Precision Sensing Engine for High-Performance Integration

As a specialized 3km laser ranging module, the NLMB3000A defines the standard for high-performance distance detection. Engineered for mission-critical reliability, this 1535nm DPSS module provides a tactical-grade detection baseline for UAV payloads and industrial automation infrastructure. By integrating proprietary technology, it delivers ±1m precision even in the most demanding operational environments. Weighing only ≤32g, it remains the premier lightweight solution for global system integrators seeking an elite 3km sensing flagship.

UAV Payloads

Industrial Automation

Security & Defense

Eye-Safe Class 1

II. Key Technical Characteristics & Core Advantages of the 3km Laser Module

Optimized DPSS Performance: Utilizing high-stability 1535nm DPSS technology for consistent pulse energy over a ≥ 3000m range.
Elite SWaP Profile: An ultra-compact footprint (≤ 48mm × 30.5mm × 21mm) and extreme lightweight (≤ 32g) for maximum payload efficiency.
Tactical Precision & Confidence: Achieves ≤ ±1m accuracy with a ≥ 98% success rate, providing high-fidelity data for automated systems.
Short-Range Blind Zone Optimization: Features an optimized ≤ 15m blind zone, ensuring reliable situational awareness during close-range maneuvers.
Military-Grade Ruggedness: Built to survive 1200g shock and protected to IP67 standards for global deployment in extreme climates.

III. Deep-Dive Application Scenarios for 3km Ranging

UAV Payloads & Aerospace Systems

For aerospace developers, the NLMB3000A provides the definitive safety buffer for high-speed Unmanned Aerial Vehicle (UAV) payloads. Its ≤ 32g profile minimizes flight power consumption while delivering a 3000m reach, allowing professional airframes to navigate complex landscapes or monitor distant structures with absolute precision.

Industrial Automation & Robotic Infrastructure

In large-scale industrial sectors, this module serves as a critical safety sensor for heavy-duty robotic systems and autonomous logistics infrastructure. Its rugged 1200g shock tolerance and wide temperature range (-40℃ to +70℃) ensure consistent performance near high-interference zones and harsh manufacturing environments.

IV. NLMB3000A Technical Specification Matrix

Parameter Attribute	Detailed Specifications
Product Model	NTRON NLMB3000A
Laser Wavelength	1535nm ± 5nm
Measurement Range (Large Target)	≥ 3000m (Visibility ≥8km, 2.3m×4.6m Panel, RH ≤60%)
Ranging Accuracy	≤ ±1m (Across full measurement scale)
Pulse Repetition Frequency (PRF)	Single-shot or 1 Hz to 10 Hz
Operating / Storage Temp.	-40°C ～ +70°C / -55°C ～ +75°C
Shock / Vibration Resistance	1200g, 1ms / 2.5g
Supply Voltage (DC)	DC 4.5V ～ 16V
Power Consumption	Standby ≤ 0.6W, Avg ≤ 1.5W@1Hz, Peak ≤ 7W@12V
Weight / Dimensions	≤ 32g / ≤ 48mm × 30.5mm × 21mm

V. Electrical Interface & Pin Assignment for OEM Integration

Connector: Changjiang A1257WR-S-6P | Interface: TTL 3.3V

Pin No.	Label	Electrical Definition	Direction
P-1	VIN+	Input Power Positive (4.5V-16V)	Power
P-2	VIN-	Input Power Negative / GND	Power
P-3	POWER_ON	High (>2.7V): ON / Low (<0.3V): OFF	Host → Module
P-4	UART_TX	Serial Port Transmit (TTL 3.3V)	Module → Host
P-5	UART_RX	Serial Port Receive (TTL 3.3V)	Host → Module
P-6	GND	Serial Ground	Common

VI. Mechanical and Optical Interface Specifications for 3km Modules

The 3km laser ranging module is housed in a compact, precision-engineered chassis designed for secure mounting in high-vibration aerospace and industrial environments.

Mechanical and optical interface diagram of NLMB3000A 3km laser ranging module

Compact 48×30.5×21mm chassis with Tx Ø8mm / Rx Ø16mm optical apertures.

Effective Aperture: Tx Ø8mm, Rx Ø16mm | Mounting: 3 × M2.5 threaded holes

Optical Window Design: Includes a 16mm reception window and an 8mm laser emission window optimized for 1535nm DPSS output.
Compact Footprint: Maximum mechanical dimensions are constrained to ≤ 48.0mm × 30.5mm × 21.0mm for space-critical integration.
Secure Anchoring: Features 3 × M2.5 threaded holes distributed for rigid system tri-point fixation on high-speed platforms.

VII. Universal Adaptability: Beyond Defined 3km Boundaries

Beyond its primary roles, the NLMB3000A is inherently versatile for Security Surveillance, Professional Surveying, and Remote Monitoring. Its robust DPSS architecture and ultra-low power consumption ensure it remains the definitive technical solution for mission-critical long-range integration.