If I need to show a percentage value, what should the ITP16’s measuring limits be?

The lower measuring limit (the parameter di.Lo) should be set to 0.

The upper measuring limit (the parameter di.Lo) should be set to 100.

Please note, you can do it only for a linear voltage signal (-50…50 mV or 0-1 V). An input signal from RTD or TC sensors can’t be scaled.