So sánh sản phẩm
■Digital pick up (SEF3500D/SEF3500DK)
 Digital scales are installed  on both X and Z axis
 Measuring range 58mm, Resolution 0.05μm. 
 High accuracy measurement can be performed.
■Operation support
 Minimum display value is 0.1μm on remote 
 controller. Support the fine positioning.
■Many analysing  functions
 Ball screw analysis, *Aspheric form analysis, 
 *Master comparison analysis
 Note)*Mark: Option in case of SEF3500/3500K.