Short measuring loop
The PP 281 allows two axes to be measured with just one encoder. Its direct, two-dimensional measurement enables a very short measuring loop. This reduces adverse effects and considerably increases the measuring accuracy.
The PP 281 two-coordinate encoder uses interferential scanning. Its measuring standard is a phase grating on a glass-ceramic graduation carrier. The encoder features very small measuring steps combined with extremely high accuracy.
Thanks to very short signal periods and high resolution, this encoder is perfect for high-precision applications. The mounting tolerances are unusually wide for such high-accuracy encoders, permitting easy installation.