ASTM E948
Standard Test Method for Electrical Performance of Photovoltaic Cells Using Reference Cells Under Simulated Sunlight
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About This Item
ASTM E948 is the standard test method for evaluating the electrical performance of photovoltaic cells using reference cells under simulated sunlight. It provides a controlled approach for comparing cell output under defined test conditions, which helps support more consistent measurement and reporting. For manufacturers, laboratories, and procurement teams, this ASTM standard is useful when reliable electrical performance data is needed for product evaluation, quality control, and technical documentation.
Purpose of ASTM E948
The purpose of ASTM E948 is to outline a test method for measuring photovoltaic cell electrical performance with reference cells in a simulated sunlight environment. By using a standardized approach, the method helps reduce variation in test results and supports more comparable data across different cells and testing setups. ASTM E948 is especially relevant when a consistent technical basis is needed to assess performance characteristics and document results in a repeatable way.
Common use cases of ASTM E948
This standard is commonly used in photovoltaic testing workflows where electrical performance must be measured under simulated sunlight. It may be applied in laboratory evaluation, incoming inspection, product development, and verification of cell performance against internal or external requirements. ASTM E948 is also useful for organizations that need a recognized testing method to support data comparison between reference cells and production cells in controlled test environments.
Why ASTM E948 matters
ASTM E948 matters because consistent testing is essential when electrical performance data is used for qualification, comparison, or compliance-related decisions. A standardized test method helps reduce ambiguity in measurement practices and can improve confidence in reported results. For purchasing, engineering, and quality teams, ASTM E948 supports better decision-making by providing a common framework for evaluating photovoltaic cells under simulated sunlight conditions.
- Photovoltaic cell electrical performance testing
- Reference cell comparison under simulated sunlight
- Repeatable laboratory measurement conditions
- Quality control and product evaluation support
- Technical documentation and procurement review
- Publication Date: 2025-04-16
- Publisher: ASTM
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