Quantities, their Symbols, Units of Measure and Definitions

Basic Terms and Concepts in Vacuum Technology

• What is the definition of Volume?
• What is the definition of Pressure?
• What is the definition of Total Pressure?
• What is the definition of Saturation Vapor Pressure?
• What is the definition of Vapor Pressure?
• What is the definition of Standard Pressure?
• What is the definition of Ultimate Pressure?
• What is the definition of Ambient Pressure?
• What is the definition of Overpressure?
• What is the definition of Working Pressure?
• What is the definition of Particle Number Density?
• What is the definition of Gas Density?
• What is The Ideal Gas Law?
• What is the definition of Absolute Pressure?
• What is the definition of Partial Pressure?