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baratron heated isolation system
Baratron® Isolation System, 0.05 - 1000 Torr, Heated to 45°C


  • Manometer Used
  • Full Scale Range
    0.05 to 1000 Torr
  • Sensor Temperature
    Controlled to 45°C
  • Power Requirements
    ±15 VDC ±5% @ 0.35 amps
  • Output Signal
    0 to 10 VDC into > 10 kΩ load
  • System Connection Fitting
  • Compliance
  • Trip Relays
    Two independently-adjusted electromechanical relays, UL listed, rated at 1 amp @ 30 VDC or 0.3 amp @ 30 VAC


CV7627 System Components

The Isolation System consists of a 627 45°C heated process Baratron® capacitance manometer, a Pneumatic Isolation Valve, and an R750 Mini-Baratron® capacitance manometer with Relay Module. The R750 Relay Module monitors the process pressure, and provides a contact closure that is used to open or close a (customer-supplied) solenoid in the pneumatic line to the Pneumatic Isolation Valve. This solenoid closes the valve whenever the process pressure exceeds the Full Scale range of 627 Baratron® capacitance manometer, maintaining it in its optimum working range. Many different Baratron capacitance manometer configurations and trip point options are available.

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