... R and S 3.Theory:To test temperature and oxygen Disposable Temperature Probe Oxygen Probe(TOS) is used in open- ... C B,) Tolerance: 3°CC,) Measuring Time: <4sOxygen activity measuring:A,) Range: 1~1000ppmB,) Tolerance: >150ppm, 5ppm<20ppm, 0.5ppmC,) ... Measuring Time: <5sOxygen electrical potential measuring:A,) Range: -300/+350mvB,) Tolerance: 2mvC,) Measuring Time: <5sAccording to ...