A transducer interface system comprising: (a) analog sensor; (b) digital computing device; (c) analog sensor A/D converter; (d) bridge excitation converter; and (e) bridge sense D/A converter; (f) fiber optic signal conditioner; wherein: said analog sensor comprises a transducer and a fiber optic cable; said analog sensor A/D converter is configured to sample an analog signal from said analog sensor conditioned by said fiber optic signal conditioner and convert said analog signal to a digital sensor value; said analog sensor comprises a fiber optic connector configured to connect to said fiber optic signal conditioner; said fiber optic connector comprises a non-volatile memory containing transducer-specific gauge factors that are specific to said analog sensor; said digital computing device is configured to initiate a zero function prior to insertion of said analog sensor into a patient to determine an observation of atmospheric pressure from said analog sensor; said digital computing device is configured based on said observation of atmospheric pressure to automatically calculate the appropriate atmospheric compensation zero value; said digital computing device is configured to store said atmospheric compensation zero value on said non-volatile memory and a memory of the digital computing device; said digital computing device is configured to apply said individual transducer-specific gauge factors and said atmospheric compensation zero value to said digital sensor value to produce a digital compensated sensor value; said bridge excitation converter is configured to receive an analog Wheatstone Bridge excitation signal and convert said Wheatstone Bridge excitation signal to produce a bridge excitation value; said bridge sense D/A converter is configured to receive said digital compensated sensor value and generate an analog compensated sensor value; and said analog compensated sensor value is scaled by said bridge excitation value to produce a converted analog Wheatstone Bridge sense signal. (a) analog sensor; (b) digital computing device; (c) analog sensor A/D converter; (d) bridge excitation converter; and (e) bridge sense D/A converter; (f) fiber optic signal conditioner; said analog sensor comprises a transducer and a fiber optic cable; said analog sensor A/D converter is configured to sample an analog signal from said analog sensor conditioned by said fiber optic signal conditioner and convert said analog signal to a digital sensor value; said analog sensor comprises a fiber optic connector configured to connect to said fiber optic signal conditioner; said fiber optic connector comprises a non-volatile memory containing transducer-specific gauge factors that are specific to said analog sensor; said digital computing device is configured to initiate a zero function prior to insertion of said analog sensor into a patient to determine an observation of atmospheric pressure from said analog sensor; said digital computing device is configured based on said observation of atmospheric pressure to automatically calculate the appropriate atmospheric compensation zero value; said digital computing device is configured to store said atmospheric compensation zero value on said non-volatile memory and a memory of the digital computing device; said digital computing device is configured to apply said individual transducer-specific gauge factors and said atmospheric compensation zero value to said digital sensor value to produce a digital compensated sensor value; said bridge excitation converter is configured to receive an analog Wheatstone Bridge excitation signal and convert said Wheatstone Bridge excitation signal to produce a bridge excitation value; said bridge sense D/A converter is configured to receive said digital compensated sensor value and generate an analog compensated sensor value; and said analog compensated sensor value is scaled by said bridge excitation value to produce a converted analog Wheatstone Bridge sense signal.