RBD's vacuum chamber water vapor removal products include high-power, high temperature IR radiant bakeout emitters, and low-power, low temperature UVC emitters.
Using UV light to desorb water vapor is ideal for chambers that have Viton O-ring seals, which pump down in the range of the low 10-6 to low 10-7 Torr. Benefits include faster pump down times and a lower ultimate vacuum. UVC is also used to break down hydrocarbons.
Our VB-Series of IR-based water desorption system provide faster bakeout times in vacuum chambers that can take the heat of high-power infrared radiation.
For more information on water vapor and it's effects on vacuum chambers, please see this collection of articles (compiled by Normandale Community College) by the late Phil Danielson (formally of The Vacuum Lab).