ISO-CAL North America

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

By ISO-CAL North America | March 8, 2022

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…

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

By ISO-CAL North America | March 8, 2022

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 America’s focus at this conference…

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ISO-CAL North America Is Proud To Announce That We Have Received Our ISO 17025 Accreditation

By ISO-CAL North America | March 8, 2022

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…

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Installation of ISO-CAL’s Indoor Pyranometer Calibration Facility Is Now Complete

By ISO-CAL North America | March 8, 2022

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…

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ISO-CAL North America Has Been Accepted to ASTM International as an Organizational Member

By ISO-CAL North America | March 8, 2022

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…

ASTM G207-11 Standard Test Method for Indoor Transfer of Calibration From Reference to Field Pyranometers

By ISO-CAL North America | March 11, 2022

Scope: 1.1 The method described in this standard applies to the indoor transfer of calibration from reference to field radiometers to be used for measuring and monitoring outdoor radiant exposure…

ASTM G138-12 Standard Test Method for Calibration of a Spectroradiometer Using a Standard Source of Irradiance

By ISO-CAL North America | March 11, 2022

Scope: 1.1 This test method covers the calibration of spectroradiometers for the measurement of spectral irradiance using a standard of spectral irradiance that is traceable to a national metrological laboratory…

ASTM G130-12 Standard Test Method for Calibration of Narrow and Broadband Ultraviolet Radiometers Using a Spectroradiometer

By ISO-CAL North America | March 11, 2022

Scope: 1.1 This test method covers the calibration of ultraviolet light-measuring radiometers possessing either narrow- or broad-band spectral response distributions using either a scanning or a linear-diode-array spectroradiometer as the…

ASTM E824-10 Standard Test Method for Transfer of Calibration From Reference to Field Radiometers

By ISO-CAL North America | March 11, 2022

Scope: 1.1 The method described in this standard applies to the transfer of calibration from reference to field radiometers to be used for measuring and monitoring outdoor radiant exposure levels.…

ASTM E816-15 Standard Test Method for Calibration of Pyrheliometers by Comparison to Reference Pyrheliometers

By ISO-CAL North America | March 11, 2022

Scope: 1.1 This test method has been harmonized with and is technically equivalent to, ISO 9059. 1.2 Two types of calibrations are covered by this test method. One is the…