Author: El Matarawy A.A. Ahmed M.G.
Publisher: Edp Sciences
E-ISSN: 2107-6847|5|4|401-401
ISSN: 2107-6839
Source: International Journal of Metrology and Quality Engineering, Vol.5, Iss.4, 2014-12, pp. : 401-401
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
Two new miniature metallic sealed-cells containing the triple point of water, WTP (273.16 K) and the triple point of mercury, HgTP (234.3156 K) have been constructed for the realization of the International Temperature Scale of 1990 (ITS-90) at the National Institute of Standards (NIS-Egypt). The new cells will provide facilities for the calibration of Capsule-type Standard Platinum Resistance Thermometers (CSPRTs). The two cells will complete a multi-cells compartment in order to calibrate CSPRTs in one single experiment. The multi-cells compartment contains two other cells; the triple point of argon (83.8058 K) and the triple point of oxygen (54.3584 K) that has been already developed and characterized before [M.G. Ahmed, Y. Hermier, Development of an adiabatic calorimeter in the range 54 K–273 K in frame of a scientific collaboration LNE-NIS, AIP Conf. Proc.
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