Simple, numerical check of calibration of germanium resistance thermometers

✍ Scribed by J.J. Grodski; A.E. Dixon

• Publisher: Elsevier Science
• Year: 1973
• Tongue: English
• Weight: 294 KB
• Volume: 13
• Category: Article
• ISSN: 0011-2275
• DOI: 10.1016/0011-2275(73)90120-3

✦ Synopsis

A vacuum pumping line to the pressure vessel is also provided, and to protect the vacuum pumps an electrical interlock using a pressure switch, solenoid, solenoid valve, and microswitch is provided to prevent either the vacuum line valve being opened while the system is pressurized or the pressurizing valve being opened while the system is being evacuated.