MBA-200T Ionization Gauge, Dual Tungsten Filaments (2.75 CFF)


Product Description

The MBA-100 is a compact, all-metal high-vacuum gauge for use where measurement precision and repeatability are equally important, for example laboratory vacuum systems, mass spectrometers, electron microscopes and scientific instruments. A heated filament provides a constant source of electrons for gas ionization, creating superior accuracy and stability, and a wide measurement range from 1 x 10-2 to 1 x 10-9 Torr. Agilent’s unique etched-grid technology provides excellent gauge-to-gauge repeatability, and the small internal surface yields minimal outgassing to ensure accuracy and to protect your experimental process. The MBA-100 is small and rugged to permit easy installation in a closely packed system. The locking electrical connector ensures safe, positive contact, while the plastic housing protects people and nearby equipment from heat. A metal housing provides excellent shielding from electromagnetic interference (EMI) for superior gauge stability. The thoriacoated iridium filament resists burn out, even in the event of an accidental exposure to air. A dual filament model is available for the most critical applications; the spare filament will permit continued pressure measurement until the next scheduled maintenance period. The MBA-100 is easily interfaced with Agilent’s XGS-600 controller for use as a stand-alone pressure measurement tool, or for integration into an experimental or process system. The MBA-200 has two filaments, either thoria-coated iridium or tungsten, for maximum reliability.

Additional Information

Pressure sensors type

Bayard-Alpert ionization pressure sensor

Pressure measurement range maximum, Pa


Pressure measurement range minimum, Pa


Flange (in)

2.75 in. ConFlat


Dual Tungsten Filaments

Materials exposed to vacuum

glass, Ni, stainless steel 304, tungsten



Temperature range maximum, °C


Temperature range minimum, °C


Stage of development

serial sample

Types of files





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