How do you want to send the signal back to the computer through a pressure sensor?
The direct return to the computer is certainly out of the question. The RS232 connector receives a digital signal, and the sensor outputs a voltage signal, which is an analog quantity. At the very least, a data acquisition module is needed to convert analog output voltage values of the sensors into digital quantities and then transmit them to the computer.
We have a recording instrument that can record the pressure curve of the process and also communicate with the computer to display the pressure value on the computer in real time,
Very simple, the pressure sensor is mainly the pressure will be converted into electrical signals, does not require additional hardware, as long as the signal line need corresponding received serial port 232 on encoding under it, a lot of software, using VB to do accept the platform can be very simple!
