Description: ITS-90.com, the resource site for temperature scales and temperature
Keywords: international temperature scale of 1990 scales kelvin celsius kkts ITS-90 IPTS-68 temperature water triple point melting point freezing calibration thermometer metal fixed point cell metrology thermal lab standard primary standards thermocouple laboratory Triple point of water water triple point cell qualification, defining fixed point, intrinsic property (ITS-90) Kelvin Thermodynamic Temperature Scale (KTTS) Standard Platinum Resistance Thermometer (SPRT)
Science Technology Metrology 网站
2024年12月31日