Vacuum Technology Resources & Reference Data
Background knowledge and reference tables for anyone working with vacuum — from HVAC technicians to UHV physicists.
Vacuum Levels & Ranges
Rough, medium, high and ultra-high vacuum explained with pressure ranges and applications.
Vacuum Pump Types
Rotary vane, scroll, screw, Roots, liquid ring, turbo, diffusion, cryo and ion pumps compared.
Vacuum Pump Brands
The main global vacuum pump manufacturers, who owns whom, and which technologies each one makes.
Vacuum Gauges
Bourdon, capacitance, Pirani, thermocouple and ionization gauges — ranges and accuracy.
Water Vapor Pressure Table
Vapor pressure of water from −40 °C to 150 °C in Pa, mbar, Torr, psi and inHg.
Vacuum Training & Careers
University schools, short courses, leak testing certification and career paths in the vacuum industry.