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Baratron® Single-ended Absolute Pressure Switches

Overview

The 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.

Please see 51B Pressure Switches on mks.com for additional configurations.

Single-ended configuration referenced to vacuum
Superb set point accuracy with low hysteresis
All-metal, all-welded construction exposing only stainless steel and Inconel® for corrosion resistance
Switch relay can be set to energize above or below set point for fail-safe operation
High reliability reduces downtime

Specifications

Type

Pressure Switch
Measurement Type

Absolute
Configuration

Single-ended
Volume

3.3 cc
Response Time

<20 msec

Relay Contact Rating

SPDT (isolated) 1 Amp @ 30 VDC resistive
Trip Point Range

5% to 100% of Full Scale
Trip Point Dead Band

±3% of Full Scale
Power Requirements

20 to 30 VDC
CE Certified

Yes

Specifications

Type

Pressure Switch
Measurement Type

Absolute
Configuration

Single-ended
Volume

3.3 cc
Response Time

<20 msec

Relay Contact Rating

SPDT (isolated) 1 Amp @ 30 VDC resistive
Trip Point Range

5% to 100% of Full Scale
Trip Point Dead Band

±3% of Full Scale
Power Requirements

20 to 30 VDC
CE Certified

Yes

Product Comparison

Baratron® Single-ended Absolute Pressure Switches

Baratron® Single-ended Absolute Pressure Switches

Overview

Specifications

Specifications