Method and apparatus for simulation of pressure transducer for measurement of blood pressure

A pressure transducer simulator configured for use with a pressure sensor device and a monitoring device, the pressure transducer simulator configured to generate a simulation of the output of an analog pressure sensing device compatible with the monitoring device, wherein the simulation is based upon a pressure signal received from the pressure sensor device, the pressure transducer simulator comprising:

• a digital potentiometer including an adjustable wiper that is adjustable to select the resistance of the digital potentiometer, wherein the digital potentiometer is configured to generate an analog signal based upon the pressure signal and a digital wiper setting and to transmit the analog signal to the monitoring device;
• and
• a processor to implement an auto-zeroing command and an operate command and to apply a scaling function to the digital potentiometer based upon the pressure signal from the pressure sensor device and a reference excitation signal from the monitoring device to ensure the analog signal transmitted to the monitoring device is approximately equivalent to the pressure signal from the pressure sensor device.