As a global leader in precision measurement technology, API (American Precision Instruments) has been at the forefront of developing innovative laser tracker systems since 1987. Founded by Dr. Kam Lau with proprietary technology, our company has established itself as a premier manufacturer and supplier of high-precision measurement instruments and advanced sensors. With headquarters in Rockville, Maryland, USA, API serves customers worldwide with cutting-edge solutions for coordinate measurement and machine tool performance testing.
The API Advantage in Laser Tracker Technology
API’s position as a leading laser tracker manufacturer stems from our unwavering commitment to precision and innovation. Our laser tracking systems represent the culmination of decades of research and development, combining advanced optics, laser technology, and computer science to deliver measurement solutions with sub-micron accuracy. As a trusted supplier to Fortune 500 companies, government agencies, and research institutions, API has consistently pushed the boundaries of what’s possible in precision measurement.
Our laser trackers feature proprietary Active Target technology that enables measurement in challenging environments where traditional systems fail. This innovation allows for continuous tracking even when line-of-sight is temporarily obstructed, making API laser trackers ideal for complex industrial applications. The systems’ portability and ease of use further distinguish API as a preferred supplier for on-site measurements in aerospace, automotive, energy, and other demanding industries.

Key Features of API Laser Trackers
API’s laser tracker systems incorporate several advanced features that set them apart as premium measurement solutions:
- Absolute Distance Measurement (ADM): Our laser trackers provide direct distance measurements without the need for initial calibration or reference points, eliminating potential error sources.
- Active Target Technology: API’s patented system maintains measurement continuity even during temporary obstructions, crucial for dynamic industrial environments.
- High Precision: With measurement accuracies down to 5 microns (0.0002 inches), API laser trackers deliver the precision required for demanding applications.
- Portable Design: Our compact, lightweight systems can be easily transported to job sites, enabling on-site measurements that reduce project timelines.
- Wireless Operation: Battery-powered operation and wireless data transmission enhance flexibility in measurement setups.
Technical Specifications Comparison
The following table highlights key specifications of API’s laser tracker models:
| Specification | Radian Laser Tracker | Tracker3 Laser Tracker |
|---|---|---|
| Measurement Range | Up to 160m (525ft) | Up to 120m (394ft) |
| Accuracy (Volumetric) | ±5µm + 0.5µm/m | ±10µm + 1µm/m |
| Weight | 18.5kg (40.8lbs) | 14.5kg (32lbs) |
| Battery Life | Up to 8 hours | Up to 6 hours |
Industrial Applications of API Laser Trackers
API’s laser tracking systems find application across diverse industries where precision measurement is critical:
Aerospace Manufacturing: Our laser trackers enable precise alignment of aircraft components, verification of tooling accuracy, and quality control of large structural assemblies. The portability of API systems allows measurements directly on the production floor, reducing setup time and improving workflow efficiency.
Automotive Production: In automotive manufacturing, API laser trackers support robot calibration, assembly line verification, and dimensional inspection of body panels and chassis components. The high measurement speed of our systems ensures minimal disruption to production processes while maintaining strict quality standards.
Energy Sector: For wind turbine manufacturing and maintenance, API laser trackers provide accurate blade alignment and tower section verification. In power generation, our systems support turbine component inspection and alignment of large-scale machinery with micron-level precision.
API’s Commitment to Quality and Innovation
As a laser tracker manufacturer with decades of experience, API maintains rigorous quality control processes throughout our production facilities. Our engineering team continuously refines our measurement algorithms and hardware designs to incorporate the latest advancements in laser technology, optics, and computer science.
The API Radian laser tracker, our flagship product, represents the culmination of this ongoing innovation. Featuring our proprietary Active Target technology and absolute distance measurement, the Radian sets new standards for measurement reliability and accuracy in challenging industrial environments. This commitment to innovation has earned API recognition as a key technology partner in numerous government and industry research projects.

FAQ
What makes API laser trackers different from other manufacturers?
API laser trackers incorporate proprietary Active Target technology that maintains measurement continuity during temporary obstructions, a feature unique to our systems. This innovation, combined with our absolute distance measurement capability, provides unmatched reliability and accuracy in real-world industrial environments where other systems may fail.
How does API ensure the accuracy of its laser tracking systems?
We maintain rigorous calibration procedures in our state-of-the-art facilities and continuously refine our measurement algorithms through ongoing R&D. Our systems undergo extensive testing before shipment, and we provide calibration certificates with every laser tracker. Additionally, API offers recalibration services to maintain optimal performance over the equipment’s lifespan.
What industries benefit most from API laser tracking solutions?
While our systems serve diverse applications, the aerospace, automotive, and energy sectors particularly benefit from API’s precision measurement capabilities. These industries require micron-level accuracy for large-scale components and benefit from our portable systems that enable on-site measurements without disrupting production workflows.
Can API laser trackers measure in challenging environments?
Yes, our systems are specifically designed for industrial environments. The Active Target technology allows measurements even when line-of-sight is temporarily blocked, while the rugged construction withstands harsh conditions. Battery operation and wireless data transmission further enhance usability in challenging settings.
What support does API provide after purchasing a laser tracker?
As a comprehensive supplier, API offers extensive post-sale support including operator training, technical assistance, and maintenance services. Our global network of service centers ensures prompt support wherever our customers operate. We also provide software updates to incorporate the latest measurement enhancements.
Summary
API stands as a premier manufacturer and supplier of high-precision laser tracker systems, combining decades of expertise with continuous innovation to deliver measurement solutions that meet the most demanding industrial requirements. Our commitment to quality, accuracy, and customer support has established API as a trusted partner for companies worldwide seeking reliable precision measurement technology. With applications spanning aerospace, automotive, energy, and other advanced manufacturing sectors, API laser trackers continue to set industry standards for performance and reliability.