sensor 12 and this data carries information relative to the response of this unique sensor to known concentrations of a chemical of that is of interest when this unique sensor is now used as above described in order to generate the fig1 response of that particular sensor to the chemical of interest as this chemical exists within tissue 10 as a result of the voltage applied to reference electrode 9 the present invention operates as analysis engine 800 in order to compare input 801 to input 802 and then automatically provide output 803 this output 803 providing the various analysis factors 901 916 that are shown in fig 25 the following is an outline of the application program as presented in flowchart form in fig2 a if first time user create a default parameter file file 1 the following is an outline of the calibration process set forth in flowchart form in fig2 a configure system hardware as specified in step of fig2 e determine suitability for use as a chronomperometery or fast cyclic voltammetery sensor 3 add ascorbic acid to determine sensitivity of this sensor to this chemical a determine if sensor displays selectivity to chemical of interest over ascorbic acid c add at least three increments of chemical and save response of sensor 5 calculate suitability of this sensor for use in the selected mode of operation b calculate sensitivity slope of curve of the sensor to chemical of interest e calculate ratio of true sensor response to ambient noise of the system 7 return to menu.