... ,) Range: 1450~1750°C B,) Tolerance: 3°CC,) Measuring Time: <4sOxygen activity measuring:A,) Range: 1~1000ppmB,) Tolerance: >150ppm, 5ppm<20ppm, 0.5ppmC ... ,) Range: -300/+350mvB,) Tolerance: 2mvC,) Measuring Time: <5sAccording to the different type of probe,The probe can be divide into R and ... S type.(1)model:QR-TO-RR:platinum rhodium13 ...