Phorad® precision photometers and radiometers are designed for regulated environments where accurate light measurement and traceable calibration are essential.

Engineered by The Spectra Company LLC, Phorad instruments support radiography, medical imaging, and industrial NDT applications with compliance-focused performance and dependable accuracy.

SC-830 Luminance Photometer 

High-precision display luminance measurement for radiography and diagnostic display QA.

• Display luminance (cd/m²)

• DICOM GSDF compliance support

• Acceptance and routine QA testing

SC-850 Luminance & Illuminance Photometer

Combined display and ambient light measurement for complete viewing-environment evaluation. Wide dynamic range.

• Display luminance measurement

• Reading room ambient light surveys

• Medical and industrial QA workflows

SC-800 Illuminance Meter

Cosine-corrected ambient light measurement for controlled viewing environments.

• Radiology reading rooms

• Inspection booths

• Facility lighting QA

UV-A Radiometer (365 nm)

UV-A irradiance measurement for industrial non-destructive testing.

• FPI / MPI inspection environments

• ASTM E1444 / E1417 support

• Aerospace and manufacturing QA

Accessories & Services

Tools and support for professional measurement workflows.

• Viewing boxes and UV protective eyewear

• Data logging and QA documentation

• NIST-traceable calibration services

Why Phorad®

Precision optics • NIST-traceable calibration • Compliance-focused design