MaxO2+AE - Handheld Oxygen Analyzer with External SensorThe MAXO2+AE is best used anywhere an inline analyzer is needed, when alarms are not deemed important. It is especially useful in conjunction with older ventilators or oscillators. 24 month warranty on both the analyzer and the sensor 5,000+ hours operation on 2 AA batteries Easy one touch calibration Patented ergonomic design fits comfortably in your handIncludes External Sensor MAX-250E, R125P03-00Includes 15mm Tee Adapter,...