NLMA1500 905nm Long-Range Precision Mapping Engine

Integrated OEM Ranging Solution for Professional Drone Mapping and Universal Industrial Sensing

The NLMA1500 represents a specialized, high-altitude entry in our series of drone mapping laser sensors, purpose-engineered for strategic aerial data acquisition, topographic survey missions, and universal distance measurement solutions. Built on 905nm eye-safe technology, this drone mapping laser sensor delivers stable 1500m ranging performance with survey-grade precision, ultra-low power draw, and a rugged miniaturized form factor.Optimized for professional mapping platforms and industrial automation, it supports high-efficiency terrain scanning, environmental monitoring, and solar farm inspection without compromising system endurance. Its optimized SWaP (Size, Weight, and Power) profile makes it the premier choice for geospatial professionals and OEM integrators requiring a reliable long-range detection core across all sensing domains.

The system features an optimized blind zone (≤10m), industry-leading reliability (≥98%), and stable operation in rugged outdoor environments across temperatures from -20℃ to +60℃ with IP67 sealed lens protection for all-weather deployment.

905nm Pulsed Laser

≥1500m Range

Survey-Grade ±1m

≤20g Ultra-light

Class 1 Eye-Safe

Core Performance Advantages

Class 1 Eye-Safe 905nm Laser: Fully IEC 60825-1 certified for safe continuous operation in commercial, industrial, and drone-based missions.
1500m Extended Detection Range: Engineered for large-area topographic survey and professional long-distance aerial sensing.
Ultra-Compact Cylindrical Form: Φ23×46mm footprint ideal for space-constrained drone payload integration and robotic assemblies.
Standard TTL Communication: Direct plug-and-play compatibility with flight controllers, mapping systems, and industrial embedded CPUs.
Ultra-Low Power Profile: Optimized power consumption (Avg. ≤0.85W) to maximize extended mission durations and flight times.
Short Blind Zone Design: ≤10m near-field detection for reliable low-altitude terrain measurement and precision automation.
Wide Temperature Durability: Stable performance from -20℃ to +60℃, paired with IP67 lens protection for field deployment.
Full SDK & Software Support: Complete development toolkit available for custom system integration and secondary analysis.
Military-Grade Rugged Build: High-stability design specifically engineered for vibration-resistant performance in mobile and aerial environments.

Core Functional Features

Real-time high-precision laser distance measurement and high-speed data reporting.
Reverse polarity power input protection for safe hardware and system integration.
Fast startup capability ensuring immediate stable ranging output upon power-on.
Power-off zero standby mode for extreme power efficiency in battery-powered platforms.

Technical Specifications

Parameter	Standard Specification	Technical Note
Laser Wavelength	905nm±10nm	Semiconductor Pulsed Laser
Detection Blind Zone	≤10m	Near-field sensing optimization
Transmitter Aperture	Φ7.2mm	Precision optical emission
Receiver Aperture	Φ19mm	High-sensitivity collection
Measuring Range	≥1500m	Large Target (Visibility≥10km, Humidity≤60% RH)
Distance Accuracy	±1m (≤300m); ±2m (>300m)	Professional survey-grade precision
Measurement Success Rate	≥98%	High-confidence data acquisition
False Alarm Rate (FAR)	≤2%	Reliable target identification
Pulse Repetition Frequency	Single Shot, 1Hz, 2Hz	Stable multi-frequency operation
Operating Temperature	-20℃ to +60℃	Storage: -30℃ to +60℃
Communication Interface	TTL	Baud Rate: 115200bps
Supply Voltage	DC 3V–5V	Typical DC 3.3V supply
Power Consumption	Standby ≤0.65W; Avg ≤0.85W	Long-range peak ≤1.85W
Mounting Style	Front-end mounting	Stable front-fixed installation
Environmental Compliance	RoHS 2.0	Industrial environmental grade
Protection Rating	IP67 (Lens)	Sealed optical window protection
Physical Dimensions	≤Φ23mm × 46mm	Compact cylindrical form factor
Product Weight	≤20g	Survey-grade measurement engine
Special Feature	Zero standby mode	Power-off zero standby support

Electrical Integration Interface

Uses a standard 4-pin connector system (Receptacle: A1002WR-S-4P; Plug: LNN100-157128-200-4P). Operating Voltage: DC 3V–5V.

Pin No.	Label	Electrical Function	Signal Direction
1	VIN+	Positive Power Input	Power supply to module
2	VIN-	Negative Power Input	Power supply to module
3	TTL_RXD	Serial Data Input	Host → Module
4	TTL_TXD	Serial Data Output	Module → Host

Target Professional Applications

A universal survey-grade ranging engine optimized for professional UAV payloads while remaining fully adaptable for any geospatial data acquisition, topographic survey, or autonomous industrial navigation solution.

OEM & Custom Solutions: Full customization is available for performance, electrical interfaces, mechanical structures, and software to meet professional mapping and industrial detection requirements.

Mechanical & Optical Interface Specification

The NLMA1500 defines a complete mechanical outline and optical aperture layout optimized for seamless integration. All dimensions (in mm) are compliant with GB/T1804-2000m standards.

Overall length: 46mm | Cylindrical Diameter: ≤Φ23mm | Weight: ≤20g

Mechanical Geometry: Cylindrical profile with core dimensions of ≤Φ23 × 46mm.
Mounting Holes: 3 × M1.6 (V3 standard) for secure front-end fixed mounting.
Precision Tolerances: Strict implementation (10±0.1mm) ensures consistent mechanical integration.
Optical Interface: Coaxial high-precision path featuring Φ7.2mm transmit and Φ19mm receive apertures.
Environmental Sealing: IP67 rated lens for reliable sensing in harsh aerial and field conditions.