AST SRX-25F3 .... % Oxygen Sensor OxySpy A drop-in replacement for Teledyne

A drop-in replacement for Teledyne T-7 and City MOX-4

Microprocessor controlled

Maxtec    M12

in fact it can be hand held or mounted on a wall and still acquire accurate results

The OxyCheq Expedition PPO2 Analyzer was designed with simplicity in mind Designated by the red ring around the calibration knob

AST SRX-25F3 .... % Oxygen Sensor OxySpy A drop-in replacement for TeledyneREPLACEMENT SENSOR FOR FIGARO KE 25F3 SRX 25F3 Oxygen Sensor is a galvanic type micro fuel cell specic to oxygen. Proprietary electrolyte in combination with unique anode structure ensures full utilization of the anode and provides with excellent signal stability. and longer life without signal drift thus minimizes periodic calibration requirement. Sensor is designed, developed and manufactured in the USA. Datasheet (PDF)