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ISO 17025 Pyranometer Calibration

Indoor and Outdoor Calibration Services by ISO-CAL North America

Ensuring Accuracy and Reliability in Solar Radiometer Measurements

In the realm of solar energy, precision is paramount. Accurate measurements of solar irradiance are essential for research, development, and the efficient operation of solar power systems. ISO-CAL North America stands at the forefront, offering comprehensive indoor and outdoor calibration services for solar radiometers (sensors). Our expert team ensures that every calibration meets the highest standards, providing our clients with reliable and accurate data.

What is Calibration?

Calibration is the process of configuring an instrument to provide a result for a sample within an acceptable range. It involves comparing the measurements of the instrument being tested with a known standard and adjusting it as necessary to meet the defined accuracy.

Why Choose ISO-CAL North America?

  • Expertise and Experience: Our team comprises seasoned professionals with extensive experience in calibrating a wide range of solar radiometers, including ISO 9060 thermopile sensors.

  • State-of-the-Art Facilities: We boast state-of-the-art indoor and outdoor facilities, equipped with the latest technology to ensure precise and accurate calibration.

  • Compliance with International Standards: ISO-CAL North America’s calibration services adhere to the latest ASTM, ISO, and IEC standards, ensuring that your instruments meet global compliance requirements.

Indoor Calibration Services

Indoor calibration services are performed in controlled environments, ensuring that all variables are tightly regulated. This method is ideal for routine calibrations and for ensuring that instruments maintain their accuracy over time.

Indoor Pyranometer Calibration
Benefits of Indoor Calibration:
  • Controlled Environment: Eliminates environmental variables, ensuring highly accurate calibration results.
  • Convenience: Ideal for routine and periodic calibrations.
  • Precision: Utilizes highly precise reference instruments for calibration.

Outdoor Calibration Services

Outdoor calibration services are conducted in real-world conditions, making them ideal for instruments used in outdoor environments. This method ensures that instruments are accurately calibrated for the specific conditions they will encounter.

ISO-CAL Outdoor Calibration with goniometer mount and SR30
Benefits of Outdoor Calibration:
  • Real-World Conditions: Calibrates instruments in the same conditions in which they will be used.
  • Versatility: Suitable for a wide range of instruments and applications.
  • Reliability: Ensures accurate performance in actual operational conditions.

In-Field Calibration Services

ISO-CAL North America also offers in-field calibration services, providing on-site calibration for maximum convenience. This service is particularly beneficial for large-scale solar installations where transporting equipment is impractical.

Benefits of In-Field Calibration:
  • On-Site Service: Reduces downtime by calibrating instruments on-site.
  • Efficiency: Ideal for large installations or remote locations.
  • Tailored Solutions: Customized calibration services to meet specific site conditions.

Industries We Serve

  • Climatological Research: Ensuring accurate data collection for climate studies and weather forecasting.
  • R&D: Supporting research and development projects with precise solar irradiance measurements.
  • Commercial Solar: Enhancing the efficiency and reliability of commercial solar power systems.
  • Utility-Scale Solar PV: Ensuring the optimal performance of large-scale solar power installations.


ISO-CAL North America is your trusted partner for all your solar radiometer calibration needs. Our comprehensive indoor and outdoor calibration services ensure that your instruments deliver accurate and reliable data, meeting the highest standards of precision. Whether you require routine indoor calibration, real-world outdoor calibration, or convenient in-field services, our expert team is here to support you every step of the way.