但该设备必须定期校准，以确保测量精度。
However, they must be calibrated periodically to ensure they are performing as accurately as possible.
探头以增量光栅为基础，确保在整个测量范围中最好的空间精度。
The probe is based on an incremental glass scale insuring the best dimensional accuracy over the whole measuring span.
DSU35的非接触式测量原理是完全无磨损的，因而确保了长使用寿命和稳定的精度。
The contactless measuring principle of the Ri-DSU35 operates absolutely wear-free, thus ensuring a long service life and constant precision.
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