Controlled lighting for accurate visual colour evaluation and matching
GTI Lite colour viewing cabinets provide controlled lighting conditions for the visual evaluation, comparison and matching of colours. By allowing samples to be viewed under standardized and repeatable illumination, these systems help reduce the uncertainty caused by changes in ambient lighting and make it easier to maintain consistent colour decisions throughout quality-control and production workflows.
Evaluate colour under multiple light sources
Multi-source GTI viewing cabinets allow samples to be examined under different types of illumination. Depending on the model and configuration, available sources can include simulated daylight, store lighting, home lighting and ultraviolet illumination. Changing between sources allows users to determine how a product or material will appear under different real-world lighting environments.
Detect metamerism before it becomes a problem
Two samples can appear to match under one illuminant but look noticeably different under another, an effect known as metamerism. Viewing samples under multiple controlled light sources makes GTI cabinets particularly useful for identifying these colour-matching problems during product development, production and quality inspection.
Standardized conditions for repeatable colour decisions
GTI colour matching systems are designed around recognized visual colour-evaluation standards. Depending on the model and configuration, systems are available that comply with standards including ASTM D1729, SAE J361, ISO 3668 and AATCC Procedure #9. This controlled viewing environment helps different operators, facilities and suppliers evaluate colour under consistent conditions.
Neutral viewing environment
The viewing area uses a neutral gray surround to minimize unwanted colour influence from the surrounding environment. Combined with carefully controlled illumination, this provides a more suitable environment for critical visual comparisons than ordinary office, laboratory or production lighting.
High-quality illumination for critical colour comparison
GTI designs its colour viewing systems to provide uniform illumination and accurate colour rendering across the viewing area. Current GTI ColorMatcher LED systems provide a high colour rendering index (CRI) greater than 98, helping users make critical visual comparisons with confidence.
Configurations for different sample sizes
GTI offers colour viewing and matching systems in a range of sizes and configurations to accommodate different products and sample dimensions. Options range from compact desktop viewing systems to larger booths and viewing stations suitable for larger samples and group evaluations.
For manufacturing and colour quality control
Controlled colour viewing is applicable to products and materials where appearance and colour consistency are important. GTI identifies applications including coatings, textiles and fashion, inks, packaging, cosmetics and consumer products, as well as other manufacturing environments requiring visual colour inspection.
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