Skip links

We offer calibration services conducted
by experts.

ISO-CAL North America is a one-stop solar radiometer (sensor) calibration service provider offering indoor and outdoor calibration services. ISO-CAL North America is the premier go-to calibration service provider of ISO 9060 thermopile solar irradiance sensors in the U.S., servicing the calibration needs of the climatological, R&D, commercial solar, and utility-scale solar PV power energy industry.

— Calibration services

Traceable Reference Instruments

ISO-CAL North America offers indoor and outdoor calibration services of solar radiometers (sensors), all makes and models.

Multi-Standard Compliance

Our diverse range of calibration services is compliant with the latest ASTM, ISO, and IEC radiometer calibration standards.

Outdoor, Indoor, and In-field Calibration Services

Indoors or out, our vast calibration capability allows us to select the most appropriate calibration method to meet each customer’s specific requirement.

Superior Customer Service and Support

ISO-CAL’s experienced staff offers a wide range of calibration services and technical support to meet any requirement, big or small.

Fully Equipped, State-of-the-Art Calibration Lab.

ISO-CAL North America maintains fully characterized primary and secondary standard reference radiometers, including NIST-traceable spectral irradiance standards.

Looking for calibration services?​

Looking for calibration?

ISO-CAL North America, LLC
1598 Susan A Williams Way Suite E.
Chino Valley, AZ 86323

(480) 336-8133