AST SRX-25F3 .... % Oxygen Sensor OxySpy Made in USA

Made in USA

All hardware is stainless steel

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

when combined with the Speed Harness one size fits virtually every diver

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

AST SRX-25F3 .... % Oxygen Sensor OxySpy Made in USAREPLACEMENT 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)