51B Baratron® Single-end, Absolute Pressure/Vacuum Switch
(10-26,000 Torr)

The MKS Instruments 51B Single-end Pressure Switch offers accurate and reliable protection for vacuum vacuum/pressure processes. Designed for applications where a DC signal output is not required, these switches provide relay outputs that are readily interfaced with alarms, valve actuators, computers, process controllers, load locks and other protection devices. The 51B is referenced to vacuum.

Features & Benefits:

• High reliability reduces downtime
• Superb set point accuracy and repeatability
• All-metal, all-welded construction exposes only stainless steel and Inconel® for corrosion resistance
• Switch relay can be set to energize above or below set point for fail-safe operation
• Low hysteresis improves set point accuracy

Applications:

The 51B Baratron® Absolute Pressure Switch provides precise control for a wide variety of production applications including semiconductor processing tools, high vacuum pumps, compressors, blowers, medical equipment and machine tools. The 51B is often used in conjuncton with soft pumping, gas box switching, and safety interlocks.

Incoloy® and Iconel® are registered trademarks of Inco Alloys International.
VCR® is a registered trademark of Swagelok® Company.

Indicate desired trip point as a three-digit value in the comments section of the order form.

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