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Granville-phillips 270-003 ionization gauge controller
Granville-Philips 270-003 Ionization Gauge Controller Series 270
Granville-Phillips Model 270 Ionization Gauge Controller
* The 270 Ionization Gauge Controller is a precision instrument designed to indicate vacuum pressures from 1 Torr to 10 -8 Torr, 1 mbar to 10 -8 mbar, or 100 Pascal to 10 -6 Pascal, air equivalent. The basic unit is comprised of a power supply, electrometer, emission controller, and ion gauge meter.
