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ISO-CAL North America participates in the 2016 Pyrheliometer Comparison (NPC), at the National Renewable Energy Laboratory (NREL)

NPC-2016 was September 26 through October 7, 2016. Participants operated 45 absolute cavity radiometers, two of which are owned by ISO-Cal North America to simultaneously measure clear-sky direct normal solar irradiance during this period. The Transfer Standard Group (TSG) of reference radiometers for NPC-2016 consisted of four NREL radiometers with direct traceability to the WRR, ...

ISO-CAL North America exhibits at Solar Power International Conference 2016 in Las Vegas, NV

The SPI conference is the largest of the year and, brings together multiple companies tech professionals, and leaders in the PV Solar Industry. ISO-Cal North Americas focus at this conference was to show our radiometric expertise in calibration of solar irradiance sensors.  

ISO-CAL North America is proud to announce that we have received our ISO 17025 accreditation

ISO-Cal North America is proud to announce that we have received our ISO 17025 accreditation for radiometric calibrations through A2LA (American Association for Laboratory Accreditation).  ISO-Cal North America can now provide ISO 17025 accredited calibrations for all of the following: Pyrheliometers Pyranometers Pyrgeometers Ultra Violet Radiometers PAR Sensors LUX Sensors Spectroradiometers The standards for which ISO-Cal ...

Installation of ISO-CAL’s indoor pyranometer calibration facility is now complete

ISO-Cal North America has just finished the installation of the indoor pyranometer calibration facility.  This indoor calibration facility will enable ISO-Cal North America to expedite pyranometers calibrations for those clients who require very fast turnaround times on their calibrations.  The indoor calibration of pyranometers is done according to ASTM G207.  For more information, pricing, and ...

ISO-CAL North America has been accepted to ASTM International as an Organizational Member

We are happy to announce that ISO-Cal North America has been accepted to ASTM International as an Organizational Member.  This acceptance will help ISO-Cal North America to stay up to date on all new standards, and standard revisions that pertain to radiometric measurement and calibration.  Being an organizational member, will also allow ISO-Cal North America ...

ISO-CAL North America exhibits at Solar Asset Management Conference 2016 in San Francisco, CA

ISO-CAL North America kicks off it's first conference of the year, Solar Asset Management in San Francisco, bringing together industry leaders and professionals in the PV Solar Industry. The conference highlighted the ever increasing need for quality traceable solar radiometer calibration services.  

ISO-CAL participates in IPC-XII (12th International Pyrheliometer Comparison)

PMOD/WRC (World Radiation Center), located in Davos Switzerland, maintains the WRR (World Radiometer Reference). The WRR is an international measurement standard-group of radiometers. The instruments used are all Absolute Cavity Pyrheliometers. Hosted once only every 5-years by PMOD/WRC, the purpose of the IPC is to ensure measurement and calibration laboratories worldwide maintain traceability to the ...

ISO-CAL North America open for business!

We are pleased to announce our doors are officially open for business. Based in sunny Phoenix AZ, ISO-CAL North America is poised to be the premier go-to solar radiometer calibration service provider in the U.S. Targeting the utility scale solar renewable energy O&M, agro-meteorology, climatology, material testing and R&D markets, there’s virtually no solar radiometer ...

ISO-CAL takes delivery on NEW Campbell Scientific custom-built cavity controllers

As a premium solar radiometer calibration service provider, maintaining two Primary Standard Absolute Cavity Pyrheliometers and multiple Secondary reference radiometers, it’s imperative for any calibration laboratory to maintain measurement and control electronics of only the highest quality, to assure the accuracy and ongoing reliability of its calibration program. ISO-CAL North America is excited to announce ...