I. 1535nm Eye-Safe Distance Sensor for UAV & Industrial Systems

Advanced Dual-Interface Telemetry Sensor for Aerial Surveying and Precision Industrial Ranging

The NLM3200A establishes a new benchmark in long-range non-contact measurement. As a dedicated 3.2km laser rangefinder module, it seamlessly bridges the gap between airborne mapping requirements and ground-based industrial monitoring. Powered by a high-stability 1535nm DPSS core, this sensor guarantees ±1m accuracy across its entire operational envelope. By confining its mass to ≤58g, it virtually eliminates SWaP-C (Size, Weight, Power, and Cost) bottlenecks for engineers developing next-generation drone surveying equipment, obstacle avoidance systems, and automated robotic infrastructure.

3.2km Ranging Sensor

Industrial Laser Measurement

Drone Obstacle Avoidance

RS422/TTL Dual Interface

Eye-Safe Class 1

II. Engineering Breakthroughs of the 3.2km Rangefinder Sensor

Uncompromised Range Performance: Consistently achieves ≥3200m measurement on large targets with an exceptional distance resolution of ≤40m, ensuring high-fidelity data capture.
Advanced Logic Processing: Integrates sophisticated range gating, First/Last Target Ranging protocols, and continuous self-diagnostic functions for mission-critical reliability.
Adaptive Integration Topology: Uniquely equipped with optional RS422 and 3.3V TTL communication ports, allowing seamless cross-linking with diverse industrial control units.
Extreme Thermal Durability: Ruggedized to withstand harsh environmental fluctuations, sustaining peak functionality from -40℃ to +60℃ operating temperatures.
Superior Power Efficiency: Engineered for extended deployment with a standby power consumption of just ≤0.5W and an average active draw of ≤2W across a 4.8V-8.5V DC input.

III. Core Deployment Scenarios for 3.2km Laser Modules

Drone Laser Rangefinder Modules for Unmanned Aerial Vehicle Payloads

In the demanding aerospace sector, the NLM3200A acts as the primary spatial awareness engine for high-end UAVs. Its lightweight ≤58g architecture and compact 50×36.5×24mm footprint make it the definitive choice for drone obstacle avoidance, topographical mapping, and airborne electro-optical pods. By operating securely at 1535nm, it enables safe, stealthy, and uninterrupted aerial surveys over urban environments and remote topographies alike.

Precision Industrial Laser Rangefinder Sensors

Transitioning to ground-based infrastructure, this module excels within harsh manufacturing and remote monitoring environments. The robust dual-interface (RS422/TTL) allows industrial engineers to embed the sensor directly into heavy-duty robotics, security surveillance networks, and traffic monitoring systems, securing sub-meter accuracy to automate complex logistical and defensive operations.

IV. NLM3200A Technical Specification Matrix

Technical Parameter	Detailed Specifications
Product Model	NTLRB3200A (NLM3200A)
Distance Resolution	≤ 40m
Pulse Repetition Frequency (Hz)	Single Shot, 1Hz, 5Hz
Range (Large Target, m)	≥ 3200m
Operating / Storage Temp.	-40℃ ～ +60℃ / -55℃ ～ +70℃
Accuracy (m) / Accuracy Rate	±1m / ≥ 98%
Communication Interface	RS422 / TTL (Optional)
Dimensions (mm)	≤ 50mm × 36.5mm × 24mm
Wavelength	1535nm ± 10nm (Eye-Safe Class 1)
Baud Rate	38400 (Default) / 9600 / 57600 / 115200
Blind Zone	≤ 15m
Supply Voltage (DC, V)	DC 4.8V ～ 8.5V
Power Consumption (W)	Standby ≤ 0.5W, Avg ≤ 2W
Weight (g)	≤ 58g

V. OEM Integration & Electrical Interface

Power Supply Range: Stable operation across DC 4.8V – 8.5V.
Ultra-Low Standby Profile: Standby power consumption rigorously restricted to ≤ 0.5W.
Active Power Management: Average active power consumption maintained at ≤ 2W.

The host computer connects to the rangefinder via a DF52-10P-0.8C connector, pairing with the rangefinder-side socket (DF52-10S-0.8H).

Pin No.	Label	Electrical Definition	Remarks
P-1	VIN+	Input Power Positive	Rangefinder Power Supply
P-2	VIN+	Input Power Positive	Rangefinder Power Supply
P-3	COM	Input Power Negative	–
P-4	COM	Input Power Negative	–
P-5	RS422_TXD+	Signal Output Port	Rangefinder to Host
P-6	RS422_TXD-	Signal Output Port	Rangefinder to Host
P-7	RS422_RXD-	Signal Input Port	Host to Rangefinder
P-8	RS422_RXD+	Signal Input Port	Host to Rangefinder
P-9	TTL_RXD	Signal Input Port	3.3V TTL
P-10	TTL_TXD	Signal Output Port	3.3V TTL

VI. Mechanical and Optical Interface Specifications for 3.2km Modules

The NLM3200A structural blueprint emphasizes maximum ruggedness within a highly confined 50×36.5×24mm geometric footprint, ensuring zero-friction integration for structural engineers.

NLM3200A 3.2km laser rangefinder module Dimensions and Optical Interface

Engineering schematic detailing the 50×36.5x24mm footprint and 10-pin interface of the 3.2km sensor.

Effective Clear Aperture (ECA): Tx Ø9.2mm, Rx Ø18.5mm | Mounting: M2.5 Threaded Holes

VII. 3.2km Laser Rangefinder Module Universal Adaptability

Pushing the boundaries of conventional telemetry, the NLM3200A embodies true cross-industry flexibility. By merging a potent 3.2km detection range with a robust dual-channel communication architecture (RS422/TTL), this 1535nm eye-safe module effortlessly scales from precision drone surveying equipment and UAV obstacle avoidance mechanisms into ground-based robotics and advanced security surveillance networks, proving itself as a universally adaptable sensor for critical automation ecosystems.