Lighthouse maintains Calibration Service Centers in eight different locations around the world. Our service management teams track the calibration schedules for customers and assure that their instruments are consistently maintained and calibrated.  You may reach us via phone at (800) 945-5905 / (541) 770-5905 or email at if you have any questions or need any help with the Calibration & Repair Request Form that you can access via the following link:

Calibration & Repair Request Form Button

Lighthouse Worldwide Solutions calibrates, and verifies the performance of its particle counters using best practice metrology methods. Our procedures are designed to maximize the repeatability, reproducibility and accuracy of our instruments. These procedures have been developed in accordance with key standards for particle counters including ISO 21501-4 and ISO 17025.

The reproducibility of our measurements is achieved through proper design and verified through state of the art optical alignment methods, standard reference counters and appropriate count calibration procedures.

Our calibration services include:

  • Calibration and Validation
  • Adjust back to factory settings
  • Instrument inspection (as received data available)
  • Calibration certificate issued with each instrument
  • NIST traceable
  • On-site calibration
  • Service Contracts for on-site and factory service