Photo Research®

Visible Range Portable Spectroradiometers

High‑accuracy visible‑range spectroradiometers from Photo Research® support precise light and color calibration for medical devices where display accuracy, illumination consistency, and patient safety are critical. 

Photo Research Visible Range Spectroradiometers for Medical Device Calibration 

The Photo Research PR‑655 and PR‑670 portable spectroradiometers are designed for accurate spectral radiance and colorimetric measurements across the visible spectrum, supporting calibration and verification of medical displays, imaging systems, and illuminated diagnostic equipment.

Built on Photo Research’s legacy of measurement accuracy and stability, these instruments provide traceable, repeatable results for applications where consistent luminance, color, and contrast performance are essential. Compact and portable, PR‑655 and PR‑670 spectroradiometers are well‑suited for R&D, quality assurance, production validation, and field service environments within regulated medical and healthcare workflows. 

Explore Our Portable Visible Range Spectroradiometers

Light and Color Measurement Solutions

Photo Research®
SpectraScan® PR-655

Portable visible‑range spectroradiometer designed for accurate photometric and colorimetric measurements in medical display and lighting calibration applications. 

Photo Research®
SpectraScan® PR-670

Enhanced portable spectroradiometer offering improved sensitivity and performance for faster, more precise visible‑range light and color measurements across demanding environments. 

Speak to a Technical Expert

Discover how advanced light and color measurement can improve accuracy and consistency.

Light and Color Measurement Applications

Light & Color Measurement

Laboratory‑grade light and color calibration ensures medical imaging accuracy and patient safety.

Displays Engineered
for Medical Devices

Accurate light and color calibration ensures embedded medical displays deliver consistent, true‑to‑life visuals that support clinical accuracy and patient safety.

Features of Portable Visible Range Spectroradiometers

Pritchard® Optics 

Widely accepted as one of the most accurate and versatile optical systems available, delivering precise, repeatable measurements you can trust in regulated environments. 

Real-Time Insights

Access data in real time to support personnel, vehicle or asset tracking, enhance security, inform merchandising decisions, and protect patient safety.

Flexible Configuration 

Interchangeable optics, measurement apertures, accessories, and software settings allow each spectroradiometer to be tailored to specific calibration requirements. 

User Profiles & Speed 

Save and recall user‑specific setups while selecting measurement speed modes to reduce testing time and improve workflow efficiency. 

FAQs

Visible‑range spectroradiometers ensure accurate luminance, color, and contrast measurement for medical displays and illuminated devices, helping maintain diagnostic consistency and regulatory compliance.

Photo Research spectroradiometers are engineered for long‑term measurement stability and repeatability, supporting consistent calibration and quality control throughout a device’s lifecycle.

Yes. Configurable optics, accessories, and software modes allow a single instrument to support display calibration, lighting verification, and system validation across R&D, production, and field environments.

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This consultative sales style, combined with our family of standard and customizable products, ensures that you always get the best product for your application.

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