AST-14D1 Oxygen sensor for SF2 and Titan rebreathers

AST-14D1 Oxygen Sensor for SF2 ECCR and Titan Rebreathers. Its a replacement to SF2 Cell, AII-11-39-XD, NRC International D-11K O2 sensors. Electrical connection-female COAX SMB connector. AST utilizes proprietary electrolyte formulation and anode structure ensuring full utilization of Pb anode, thus providing longer life without signal drift and minimizing periodic calibration requirement. AST brand sensors are designed, developed and manufactured in the USA.