I have a ultra onetouch mini that i use daily and contour for back up i carry that in my purse went to test this morning and my meter gave me a reaading 398 but my contour said 127 i have no ideal what one to belive only smyptoms am feeling i feel crappy, headache, nausa some fruity breath i can not test my urine i dont have the kit to do it any one know what i should do or what meter to belive