Baratron® 45°C Heated 0.05 to 1000 Torr Isolation System
Overview
The CV7627H Isolation System is designed to automatically maintain a 45°C heated 627H Baratron® capacitance manometer at vacuum throughout a process cycle. Maintaining a heated Baratron® capacitance manometer at vacuum is one of the most important ways to optimize its accuracy and repeatability in production systems, making this product especially well-suited for fast-cycling industrial and semiconductor manufacturing processes.
- Automatically isolates a capacitance manometer from pressures above Full Scale
- Includes 45°C heated 627H Baratron® pressure transducer
- Full Scale ranges from 0.05 to 1000 Torr
Specifications
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Manometer Used627H
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Full Scale Range0.05 to 1000 Torr
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Sensor TemperatureControlled to 45°C
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Power Requirements±15 VDC ±5% @ 0.35 amps
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Output Signal0 to 10 VDC into > 10 kΩ load
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System Connection FittingNW16-KF
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ComplianceCE
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Trip RelaysTwo independently-adjusted electromechanical relays, UL listed, rated at 1 amp @ 30 VDC or 0.3 amp @ 30 VAC
Features
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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