Mitutoyo SJ-401 Portable Surface Roughness Tester (178-947-4A)

Features

• Equipped with 36 kinds of roughness parameters that conform to the latest ISO, DIN, ANSI, and JIS
  standards.
• A wide-range, high-resolution detector and a straight drive unit provide superior high-accuracy measurement in its class.
  • Detector
    Measuring range: 800 μm
    Resolution: 0.000125 μm (at 8 μm range)
     
  • Drive Unit
    Straightness/traverse length
    SJ-401: 0.3 μm/25 mm 

• The skidless detector and the curved surface compensation function make it efficient to evaluate
  cylinder surface roughness.
• Ultra-fine steps, straightness and waviness can be measured by using the skidless measurement
  function.
• Measured data can be output to an external PC by using an RS-232C cable (optional).
• Includes a roughness specimen.
• Digital filter function for non-distorted roughness profiles.
• GO/NG judgment function.
• Auto-calibration function.