Hello Freddy, I can help you with this.....
1) Use the function textscan to read your text file.
2) Separate each variable.
3) Create your vector time; time = datenum(year,month,day,hour,minute,second)
4) Create an index for each sensor
5) plot your data (if x is your variable, and you wanna plot your x valueas measured with the sensor 1)