AST Model SRX-CT33 .... % Oxygen Sensor

REPLACEMENT SENSOR FOR .... Teledyne Model C3 AII Model PSR-11-33 AMI Model P4     SRX-CT33 Oxygen Sensor is a drop-in replacement to Teledyne C3 and AII Model PSR-11-33 % oxygen sensor. Its proprietary electrolyte formulation ensures full utilization of Pb anode thus providing longer life without signal drift and minimizing periodic calibration requirement. Sensor is designed, developed and manufactured in the USA. Datasheet (PDF)