Photo Research PR-1050 SpectraScan Spectroradiometric Luminance Meter
| Brand | Auniontech (HaoLiang) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | PR-1050 SpectraScan |
| Pricing | Available Upon Request |
Overview
The Photo Research PR-1050 SpectraScan Spectroradiometric Luminance Meter is a high-precision, portable spectroradiometer engineered for absolute photometric and colorimetric characterization of self-luminous and reflective surfaces. Built upon the proven optical architecture of the Photo Research 7-series platform and co-developed with SpectraScan legacy expertise, the PR-1050 employs a calibrated CCD-based grating spectrometer to perform direct spectral irradiance and radiance measurements across the visible spectrum (380–780 nm). Its core measurement principle relies on spectral decomposition followed by CIE-standard observer-weighted integration—enabling traceable, NIST-referenced luminance (cd/m²), chromaticity (CIE x,y or u’v’), correlated color temperature (CCT), dominant wavelength, and spectral power distribution (SPD) calculations without interpolation or filter-based approximations. Designed explicitly for next-generation display metrology, the PR-1050 achieves an industry-leading dynamic range of 500,000,000:1—capable of resolving sub-millicandela black levels and multi-megacandela peak brightness from a single optical configuration, eliminating mechanical ND filters or aperture swaps during routine testing.
Key Features
- High-fidelity spectral acquisition: 0.5 nm nominal spectral resolution (FWHM), optimized for narrowband emitters including OLED, microLED, QD-LCD, and laser phosphor projection sources.
- Integrated AR/VR optical interface: Interchangeable field-of-view adapters (3 mm, 4 mm, and 5 mm entrance apertures) compatible with near-eye display geometries; supports collimated and divergent beam path alignment per ISO 13406-2 and IEC 62471.
- AutoSync™ real-time synchronization: Hardware-level triggering synchronized to display refresh rates (48–240 Hz) or backlight PWM frequencies for artifact-free temporal averaging and flicker analysis.
- Onboard 2.25″ × 3″ capacitive touchscreen LCD with five-way navigation keypad and user-configurable profiles for rapid setup recall in production environments.
- External trigger port (TTL-compatible) enabling integration into automated test equipment (ATE) platforms and inline manufacturing lines.
- Full spectral data export in ASCII/CSV format compliant with ASTM E308-22 and CIE 15:2018 conventions.
Sample Compatibility & Compliance
The PR-1050 is validated for use across emissive and semi-specular surfaces including flat-panel displays (OLED, LCD, mini/microLED), automotive HUDs, avionics MFDs, VR headsets (e.g., Meta Quest, Apple Vision Pro), laser projectors, and solid-state lighting modules. It meets photometric accuracy requirements defined in ISO/CIE 11664-1:2019 (colorimetry), ISO/CIE 11664-6:2019 (spectral matching), and ANSI IT7.215-2021 (display measurement). When operated with SpectraWin software under controlled environmental conditions (23 ± 2°C, <65% RH), the instrument satisfies GLP audit requirements for traceability documentation—including calibration certificate metadata, operator ID logging, and timestamped raw spectral files—supporting FDA 21 CFR Part 11 compliance when configured with electronic signature workflows.
Software & Data Management
The PR-1050 operates as a standalone instrument or integrates seamlessly with SpectraWin v6.x—a Windows-based application supporting real-time spectral visualization, multi-point mapping, pass/fail thresholding, and batch report generation (PDF/Excel). All communication occurs via ASC11-compliant ASCII command protocol over USB-C or RS-232, enabling full remote control from Python, LabVIEW, MATLAB, or custom ATE frameworks. Raw spectra are stored with embedded calibration coefficients, integration time, slit width, and ambient temperature readings. SpectraWin includes built-in CIE 1931/1976 chromaticity diagrams, SPD overlays, CCT deviation heatmaps, and ΔE₀₀ calculation engines aligned with ISO 11664-4:2019. Exported datasets retain full spectral fidelity for third-party analysis in tools such as OriginPro or R.
Applications
- Display white point calibration and gamut verification for consumer electronics R&D and factory QA.
- AR/VR optical engine validation—including exit pupil irradiance uniformity, angular color shift, and MTF-coupled luminance mapping.
- Automotive interior lighting homogeneity assessment per UNECE R112 and SAE J1383.
- Laser projector spectral stability monitoring during thermal soak cycles.
- Backlight unit (BLU) spectral binning and aging studies in LCD manufacturing.
- Photobiological safety evaluation (IEC 62471) for high-brightness microdisplays.
FAQ
What spectral range and resolution does the PR-1050 support?
The PR-1050 covers 380–780 nm with a nominal spectral resolution of 0.5 nm (FWHM), adjustable via software-selectable slit widths.
Is the PR-1050 suitable for measuring HDR displays with peak brightness >10,000 cd/m²?
Yes—the 500,000,000:1 dynamic range enables direct measurement from 0.001 cd/m² to >10,000 cd/m² without neutral density filters or hardware reconfiguration.
Can SpectraWin generate reports compliant with ISO/IEC 17025 accreditation requirements?
Yes—SpectraWin supports audit-ready reporting with calibration traceability metadata, operator logs, environmental condition stamps, and raw spectral file archiving.
Does the PR-1050 require annual recalibration?
Photo Research recommends annual factory recalibration against NIST-traceable standards; onboard dark current and wavelength calibration routines allow daily verification.
Is the AR/VR lens option compatible with third-party goniometers or motion stages?
Yes—the 5 mm AR/VR adapter features standard M42×0.75 threading and mechanical alignment fiducials for repeatable integration with motorized positioning systems.
