Pressure/Vacuum Measurement

Baratron® Direct (Gas Independent) Pressure/Vacuum Capacitance Manometers (0.01-155,000 Torr)

HPS® Vacuum Transducers, Gauges, Sensors and Controllers (1x10-11 to 1500 Torr)

Pressure/Vacuum Switches

Baratron® Capacitance Manometers

Introduction

Baratron® capacitance manometers are usually stand-alone transducers typically requiring a ±15 volt power supply and deliver a 0-10 volt pressure signal that is directly proportional to pressure.

diagram of a Baratron

Baratron® capacitance manometers measure true pressure (defined as force/unit area). This means that the measurement is insensitive to the type of gas being measured. Other gauges, such as Pirani, thermocouple and ion gauges, do not measure true pressure and therefore their readings will be gas-type sensitive.

NEXT: The Baratron® Sensor Capsule.

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