Zirconia analyzer which based on field pragrammable gate array（FPGA）can monitor Oxygen content online and real-time.It has the characteristics of simple structure and fast response.The characteristics of Zirconia sensor consistent with the Nernst Equation.Due to the floating-point calculation of FPGA is not powerful

calculating Oxygen content with the Nernst Equation directly will consume a large amount of system resource.So analyzer can’t realize fast response.On the bas is of the introduction of the principle of Oxygen-measuring with Zirconia sensor

MAX197 is select measuremental data is non-linearly processed by using Nios II

fitting curve insteed of zirconia oxygen sensors characteristic equation

of the oxygen content is calculated by in ensuring the precision of instruments

at the same time

improve the computational efficiency

reduce the burden on CPU

acquisition and process data

fastly and accurately Realize real-time and on-line measurement.