AST Model SRZ-25F4 (KE-25F4) Replacement % Oxygen Sensor

AST Model SRZ-25F4 is a replacement to Figaro KE-25F4 % Oxygen Sensor. It’s acidic electrolyte formulation makes it compatible with CO2, longer life without signal drift and minimizes periodic calibration requirement. Sensor is designed, developed and manufactured in the USA.


FIGARO Model KE-25F3

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