Specifications and functions are at hand: compactness, skidless measurement, high-accuracy roughness detection, multi-function, and ease of operation
 
High-resolution detector and an straight drive unit provide superior high-accuracy measurement in its class.
Measuring range: 800µm Resolution: 0.000125µm (at 8µm range) Straightness/traverse length SJ-401: 0.3µm/25mm SJ-402: 0.5µm/50mm
Measurement/evaluation of stepped features and straightness
Advanced data processing with an extended analyzing program
Measurement of cylinder surface roughness even with a compact type
 
* XY axis moving table 50mm range
 
* Granite stand with adjustable height of 300mm