Standard Light Source Color Matching Cabinet – Multi-Source Illumination System (CAC Series)
| Origin | Guangdong, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic Production |
| Model | Multi-Source Configurable (4–7 Sources) |
| Pricing | Available Upon Request |
Overview
The Standard Light Source Color Matching Cabinet (CAC Series) is an engineered optical measurement instrument designed to replicate standardized illuminants under controlled viewing conditions for objective color evaluation. Based on CIE (International Commission on Illumination) spectral power distribution specifications and aligned with ISO 3664:2022, ASTM D1729, and ISO 9001-compliant color management workflows, this cabinet enables consistent visual assessment of color appearance, metamerism, fluorescence, and color constancy across industrial supply chains. Its core function is to eliminate ambient lighting variability by providing spectrally accurate, stable, and switchable light sources—ensuring that color-critical decisions in R&D, production, quality control, and third-party inspection are made under identical photometric conditions. Unlike generic lighting enclosures, the CAC Series integrates calibrated UV output, precise correlated color temperature (CCT) control, and uniform illumination geometry per ISO 3664 requirements for minimum field uniformity (>80%) and surround luminance ratio (20% ±5%).
Key Features
- Multi-source modular illumination architecture supporting 4–7 independently controlled CIE-standard light sources—including D65 (average daylight, 6500 K), TL84 (European/Japanese retail lighting), CWF (cool white fluorescent, US commercial), TL83 (warm white fluorescent), F (fluorescent reference), A (incandescent tungsten, 2856 K), and UV (365 nm peak) for fluorescence excitation.
- Configurable cabinet sizes: standard (71 × 40.5 × 57 cm), extended (71 × 53 × 57 cm), and large-format (131 × 61 × 80 cm) units; plus specialized Macbeth II/III and CAC60 imported variants compliant with legacy OEM calibration protocols.
- Integrated digital control panel with source-select buttons, dimming (1–100% irradiance), and real-time CCT display (2700–7500 K range) for dynamic spectral tuning—critical for evaluating chromatic adaptation and observer metamerism.
- Matte-black interior surface (RAL 9005) with ≥95% light absorption, anti-glare viewing window, and standardized viewing angle (45°/0° or 0°/45° optional) to minimize specular reflection artifacts during visual comparison.
- Compliance-ready design: supports GLP/GMP documentation workflows via optional audit trail logging (when paired with external PC-based software); meets ISO/IEC 17025 laboratory accreditation prerequisites for visual color assessment procedures.
Sample Compatibility & Compliance
The cabinet accommodates flat, rigid, and flexible specimens up to 60 × 40 cm (standard model) or 120 × 55 cm (large-format), including textiles, plastic pellets, painted panels, printed substrates, ceramic tiles, leather swatches, and cosmetic packaging. All light sources are certified to IEC 60904-9 spectral irradiance tolerances and traceable to NIM (National Institute of Metrology, China) or NIST-traceable reference lamps. The system conforms to ISO 3664:2022 for graphic technology and photography, ASTM D1729 for color matching in plastics and coatings, and GB/T 3978–2008 (Chinese national standard for standard illuminants). UV output is calibrated per ISO 105-B02 for blue wool scale testing and fluorescence validation.
Software & Data Management
While the base unit operates via standalone hardware controls, optional USB/RS-232 connectivity enables integration with third-party color management platforms (e.g., X-Rite Color iMatch, Datacolor MATCHTEXTILE, or HunterLab EasyMatch QC). Firmware updates support expanded spectral libraries and user-defined illuminant profiles. Audit trail functionality—when enabled—records timestamped source activation history, dimming levels, and operator ID (via external authentication), satisfying FDA 21 CFR Part 11 requirements for electronic records in regulated industries.
Applications
- Textile & Apparel: Shade sorting, dye lot approval, colorfastness evaluation (ISO 105-X12), and metamerism detection between fabric batches.
- Printing & Packaging: Spot color verification, substrate-dependent ink appearance assessment, and press proofing under D50/D65.
- Plastics & Automotive: Instrument-grade color matching against master standards; gloss-invariant hue evaluation using neutral surround conditions.
- Pharmaceuticals & Cosmetics: Excipient and capsule shell color consistency per USP , and regulatory submission support for visual inspection SOPs.
- Academic Research: Human vision studies on chromatic adaptation, CIEDE2000 ΔE computation validation, and spectral sensitivity modeling.
FAQ
What international standards does this cabinet comply with?
It meets ISO 3664:2022, ASTM D1729, ISO 105-B02, and GB/T 3978–2008 for illuminant spectral power distribution, geometric configuration, and viewing environment specifications.
Can the UV source be used for quantitative fluorescence measurement?
No—the UV lamp is calibrated for qualitative visual assessment only; quantitative fluorimetry requires a spectroradiometer-equipped system with NIST-traceable irradiance calibration.
Is calibration certification included with purchase?
Yes—each unit ships with a factory-issued calibration report covering spectral irradiance, CCT accuracy, and uniformity measurements, valid for 12 months from date of shipment.
How often should lamp replacement occur?
D65 and TL84 lamps require replacement every 2,000 operating hours; UV lamps every 1,000 hours to maintain spectral fidelity within CIE tolerance bands.
Does the cabinet support D50 illumination for graphic arts applications?
Yes—D50 is available as a configurable option in the CAC60 and large-format models, fully compliant with ISO 3664:2022 Annex A for print and publishing workflows.
