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The MKS CV7600 Isolation System is designed to auto-matically maintain a heated 600-series Baratron capacitance manometer at vacuum throughout a process cycle. The Isolation System consists of either a type 627B or type 628B heated process Baratron, an HPS. Pneumatic Isolation Valve,and an R750B mini-Baratron and Relay Module. The R750B Relay Module monitors the process pressure, and provides a contact closure that is used to open or close a （customer-supplied） isolation valve in the pneumatic line to the HPS Pneumatic Isolation Valve. This solenoid closes the HPS valve whenever the process pressure exceeds the full-scale range of the 600-series Baratron, maintaining it in its optimum work-ing range. Many different Baratron configurations and trip point options are available; please contact the MKS Applications group or your MKS Account Manager for more information.