1. API RADIAN Laser Tracker

Laser Tracker API RADIAN

Radian™ is the smallest, most accurate, most versatile, and most intelligent laser tracker on the market.

Smarter. Faster. More Accurate. More Flexible.

Our exclusive on-the-shaft mounting of the laser head eliminates bending mirrors and thermally induced errors, and increases accuracy and stability.
Radian™ includes all the characteristics of API’s advanced laser tracking technology:

- Highest precision and accuracy
- Largest working volume
- Lowest cost of ownership
- Still the Smallest IFM/ADM laser tracker
- Dynamic continuous-point measuring


New Efficiencies

Radian™ advances the technology and efficiency of laser trackers.
Radian™ includes:

- Multiple SMR identification
- Mounting versatility: mount sideways, upside down, underneath, or directly on your part
- Complete suite of advanced targets and accessories

INNOVO™ Technology
Radian™ features INNOVO™ Technology, API’s powerful new software and camera integration.
INNOVO™ makes the Radian™ more intelligent, easier to use, more flexible, and more stable.
INNOVO™ Technology also includes these features:
- I-Vision™ automatically captures the laser beam.
- The widest angle view camera in the industry stays with the operator
- Integrated camera, for still and video image capture.

INNOVO™ Includes New On-Board Intelligence
- Activity Advisor alerts you of the Radian™ laser tracker’s warm up status, key operating and environmental conditions, and more
- Advanced Self-Diagnostics detects setup and workplace irregularities before they become critical
- ADM-Maxx™ ensures more accurate measurements over longer distances

INNOVO™ Technology ensures that Radian™ is ready to measure when you are.
Range of Measurements

Linear Range (Diameter): 100 m (328 ft)

System Performance

Range Azimuth: ± 320°
Range Elevation: + 79° / -59°
Angular Resolution: ± 0.018 arcsec
Angular Accuracy: 3.5 μm/m
Resolution: 0.1 μm
Internal Level Accuracy: ± 2 arcsec


Static Measurement (IFM): ± 10  μm or 5 ppm (2 sigma)


HeNe Laser (IFM): Classe II (eye safe)
Resolution: 0.08 μm
Accuracy: ± 0.5 ppm
IR Laser (ADM-Maxx): Classe I (eye safe)
Resolution: 0.1  μm
Lock-on Accuracy: ± 10  μm or 1 ppm


Working Range: 0 - 25 m (typical)
Field of Vision: 30° (diagonal)


Tracker Weight: 9 kg
Tracker Size: 177 mm x 177 mm x 355 mm
Controller Weight: 3.2 kg
Controller Size: 110 mm x 160 mm x 310 mm