GB/T 46430-2025 in English

This standard outlines the procedures for evaluating the performance of transmission and reflection densitometers used in photography. It provides detailed guidelines on how to conduct measurements and assessments to ensure consistency and accuracy in the operation of these devices. The document covers key aspects such as calibration, measurement conditions, and data analysis. It also specifies the requirements for equipment, test samples, and environmental factors that may affect measurement outcomes. The standard is structured to support both manufacturers and users in achieving reliable and repeatable results. The content is organized to facilitate understanding and application across various scenarios involving densitometer performance evaluation.