Sorry, this family of products is no longer available. The replacement family of products is 622D 1-1000 Torr, Unheated Absolute Baratron® Capacitance Manometers.
The Baratron® 622C unheated absolute capacitance manometer requires ±15VDC input voltage and provides a high-level 0-10 VDC analog output signal that is linear with pressure.