Reproducibility of industrial-grade platinum resistance thermometers type OPT 11

✍ Scribed by A Szmyrka-Grzebyk

• Publisher: Elsevier Science
• Year: 1989
• Tongue: English
• Weight: 164 KB
• Volume: 29
• Category: Article
• ISSN: 0011-2275
• DOI: 10.1016/0011-2275(89)90147-1

✦ Synopsis

and cooling cycles (Figure 2). The temperature lag was less than 0.5 K, with a typical rate of < 3 K min-1 below nearly 150 K. During the initial cooling with L-N2, the trapped moisture in the sample cell condenses on the copper shroud instead of on the sample. Therefore, the problem of the anomalous variation of resistance arising in YBa2Cu307_ x due to moisture condensation on the sample 3 is effectively eliminated_

Research and technical notes

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