OXYGEN GAS ANALYZER;, , MANUFACTURER: FER STRUMENTI,ITALY., , MODEL 4153,P.NO.F1010013, , OXYGEN PROBE WITH YTTRIA STABILIZED ZIRCONIA CELL FOR INSERTION IN, , COMBUSTION PROCESSES. SINTERIZED EXTRA PURE ALLUMINA PROTECTION, , TUBE. CIRCUIT TO SUPPLY TO THE ZIRCONIA CELL A GAS WITH KNOWN OXYGEN, , CONTENT FOR CONTROL AND CALIBRATION. COMPENSATION THERMOCOUPLE, , FITTED INSIDE THE PROBE TYPE B., , CONNECTION TO THE PROCESS: MALE THREAD 1»NPT. INSERTION LENGHT, , MM.650