Developed from the field proven ZO21D Zirconia probe technology, the EXAxt ZR22 in-situ type Zirconia detector provides dependable and accurate oxygen and humidity measurement. Available in lengths from 15 cm to 5 meters, the ZR22 can be used in process temperatures up to 700ºC and pressurized ducts up to 2.5 bar with the pressure compensating option.