T/CSTM 01770-2025 Calibration specification for thermal diffusivity measuring apparatus by flash method
T/CSTM 01770-2025 Calibration specification for thermal diffusivity measuring apparatus by flash method
Basic Information
Scope
This document specifies the terms and definitions, method overview, metrological characteristics, calibration conditions, calibration items and calibration methods, calibration result expression, and recalibration time intervals for the flash method heat diffusion coefficient measuring instrument (hereinafter referred to as the "measuring instrument"). This document is applicable to the calibration of flash method heat diffusion coefficient measuring instruments for bulk materials (with a thickness of not less than 1 mm and isotropic properties), with a heat diffusion coefficient range of (2~102) mm2/s and a temperature range of (27~1200) °C. This document specifies the terms and definitions, method overview, metrological characteristics, calibration conditions, calibration items and calibration methods, calibration result expression, and recalibration time intervals for the flash method heat diffusion coefficient measuring instrument (hereinafter referred to as the "measuring instrument"). This document is applicable to the calibration of flash method heat diffusion coefficient measuring instruments for bulk materials (with a thickness of not less than 1 mm and isotropic properties), with a heat diffusion coefficient range of (2~102) mm2/s and a temperature range of (27~1200) °C.