ASTM E2073
Standard Test Method for Photopic Luminance of Photoluminescent (Phosphorescent) Markings
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About This Item
ASTM E2073 is the standard test method for measuring the photopic luminance of photoluminescent (phosphorescent) markings. It provides a consistent way to evaluate how bright these markings appear under visible-light conditions, which is important for comparing products and supporting reliable performance claims. For buyers, specifiers, and quality teams, this ASTM standard helps align testing and documentation around a common luminance measurement approach.
ASTM E2073 standard overview
ASTM E2073 focuses on the photopic luminance of photoluminescent markings, meaning it addresses how the markings are measured as seen by the human eye under photopic vision conditions. As a test method, it is typically used to support repeatable measurement and comparison rather than to define product design. The standard is relevant wherever luminous markings need objective evaluation, and ASTM E2073 helps create a consistent technical basis for reporting and review.
Where is ASTM E2073 used?
This standard is commonly used in testing and quality control for photoluminescent markings intended to be visible after exposure to light. It may be applied by manufacturers, laboratories, inspectors, and procurement teams that need a dependable method for assessing luminous performance. ASTM E2073 is particularly useful when markings must be evaluated in a consistent way for product acceptance, documentation, or comparison across different batches or suppliers.
Practical importance of ASTM E2073
ASTM E2073 matters because it supports consistent luminance measurement for products that rely on visible glow performance. Using a recognized test method can reduce ambiguity in specifications, improve comparability between products, and support quality control decisions. For organizations sourcing or evaluating photoluminescent markings, the standard can help with compliance checks, performance verification, and clearer procurement requirements. It also helps reduce the risk of inconsistent test results.
- Photopic luminance measurement
- Photoluminescent marking evaluation
- Repeatable test reporting
- Quality control and product comparison
- Specification and procurement support
- Publication Date: 2024-07-01
- Publisher: ASTM
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