ASTM E2175
Standard Practice for Specifying the Geometry of Multiangle Spectrophotometers
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About This Item
ASTM E2175 is the ASTM standard titled Standard Practice for Specifying the Geometry of Multiangle Spectrophotometers. It provides a consistent way to describe the measurement geometry used by multiangle spectrophotometers, helping users compare instruments and interpret results with greater confidence. For organizations that rely on color or appearance measurement, this standard supports clearer communication between buyers, laboratories, and equipment suppliers. ASTM E2175 is useful when geometry details matter to performance and repeatability.
Purpose of ASTM E2175
The purpose of this standard practice is to define how the geometry of a multiangle spectrophotometer should be specified. By focusing on the viewing and illumination arrangement, ASTM E2175 helps create a common technical language for describing instrument setup. This is important because geometry can affect measured results and the way data is compared across systems. The standard is intended to support consistent specification, communication, and evaluation of multiangle measurement equipment.
Common use cases of ASTM E2175
This standard is commonly used when selecting, specifying, or documenting multiangle spectrophotometers for color measurement work. It may be applied during procurement, equipment evaluation, or internal quality control processes where measurement geometry must be clearly identified. ASTM E2175 is also relevant when users need to compare instruments from different manufacturers or confirm that a device matches a required setup for consistent testing and reporting.
Why ASTM E2175 matters
ASTM E2175 matters because measurement geometry can influence how a spectrophotometer performs and how results are understood. A clear specification helps reduce confusion, supports more reliable product comparison, and improves consistency in testing and documentation. For engineering teams, laboratories, and buyers, using this standard can lower the risk of mismatched equipment choices and make compliance or qualification decisions easier to defend. It adds useful structure to technical purchasing and quality workflows.
- Geometry specification for multiangle instruments
- Clearer instrument comparison
- Useful for procurement and documentation
- Supports consistent measurement communication
- Helps align testing and quality control
- Publication Date: 2021-10-19
- Publisher: ASTM
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