The National Metrology Technical Specification, designated as JJF(石化)045-2021 and titled "Calibration Standard for Micro Closed-Cup Flash Point Analyzer," was released on December 2, 2021. The standard officially came into effect on April 1, 2022. This document provides detailed guidelines for the calibration of instruments used to determine the flash point of petroleum products in laboratories and industrial settings. It outlines the procedural steps required for accurate measurement under controlled conditions, ensuring that devices such as the micro closed-cup flash point analyzer are calibrated to international standards.
The specification includes requirements for equipment setup, environmental conditions necessary for calibration, and the methodologies used to ensure consistent and reliable results. Additionally, it provides guidance on the interpretation of data and reporting procedures to enhance transparency and repeatability in the application of these instruments across various sectors of the petroleum industry.
*** Please note: This description may not be accurate, please refer to the official documentation.
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Sun, 12 Apr 2026 06:56:50 +0000