Heated (45 °C) Absolute Baratron® Capacitance Manometer, Power supply & Readouts, Cables, Mass Flow controller. The NUCLEAR NONPROLIFERATION DIVISION at Oak Ridge National Laboratory is in need of a M... Heated (45 °C) Absolute Baratron® Capacitance Manometer, Power supply & Readouts, Cables, Mass Flow controller. The NUCLEAR NONPROLIFERATION DIVISION at Oak Ridge National Laboratory is in need of a Manometer and accessories per the attached Bill of Material titled Attachment C- RFQ 450899 Bill of Materials.