Wyniki wyszukiwania - BazTech

Ograniczanie wyników

1 Metrology and Measurement Systems

1 2007

Znaleziono wyników: 1

Liczba wyników na stronie

Wyniki wyszukiwania

Sortuj według:

Ogranicz wyniki do:

Performance of a new set of In, Sn and Zn Temperature Fixed-Points

Ahmed M. G., Ali K.

Metrology and Measurement Systems

2007

Vol. 14, nr 2

269-274

A comparison of a new set of "In, Sn and Zn" temperature fixed-points on the International Temperature Scale of 1990 (ITS-90) was carried out at the National Institute of Standards (NIS - Egypt). The new set was manufactured by Hart Scientific - USA. The comparison was performed to measure their performance and capabilities in calibrating Standard Platinum Resistance Thermometers (SPRTs). This comparison was carried out using four calibrated SPRTs and the reference set of "In, Sn and Zn". The used reference set was manufactured by National Physical Laboratory (NPL-England). Full description and measurements made to the two sets are presented. Measurements showed good results and some agreement between the two sets. The differences between cells of the new set and reference cells were well within 2 mK. This showed their capabilities and the possibility of using them in calibrating SPRTs.