One of the differences between cheap and expensive digital calipers is the speed at which you can move the jaws and still get reliable results. I have one of the Aldi ones as well as a very old digimatic whose display is going having been subject to some very strong magnetic fields. The measurements compare very well between them, in the region of a couple of hundredths of a millimetre which is in the region of operator "feel".
One of the differences between cheap and expensive digital calipers is the speed at which you can move the jaws and still get reliable results. I have one of the Aldi ones as well as a very old digimatic whose display is going having been subject to some very strong magnetic fields. The measurements compare very well between them, in the region of a couple of hundredths of a millimetre which is in the region of operator "feel".