Novatech 1231 & 1232 In-Situ Oxygen ProbesThe Novatech 1231 & 1232 In Situ Oxygen Probes incorporate the worlds most rugged zirconia sensors for the measurement of oxygen concentration in industrial environments. They are ideal for: For use with Novatech 1732 Oxygen Analyser Rugged Zirconia Sensors for Flue Gas, Boilers, Kilns, Furnaces In situ Oxygen Analysis for concentrations very low to 100% 316 Stainless Steel Construction; temps up to 900 Deg. C Options: Various Probe Lengths; Filters;