Surftest SJ-410 Series 178-Portable Surface Series 178 FEATURES The new SJ-411 has numerous innovative features combined with high accuracy and a competitive price makes this instrument the new leader in its class. Both skidded and skidless measurement are possible with this series. Equipped with 46 roughness parameters that conform to the latest ISO, DIN, ANSI, and JIS standards. A wide-range, high-resolution detector and a drive unit provide superior high accuracy measurement in its class. Detector Measuring range: 800μm Resolution: 0.000125μm (at 8μm range) Drive unit Straightness/traverse length SJ-411: 0.3μm/25mm SJ-412: 0.5μm/50mm Ultra-fine steps, straightness and waviness can be measured by using the skidless measurement function. The handheld data processing unit and the 5.7-inch color graphic LCD touch-panel provides superior readability and operability. The LCD also includes a backlight for improved visibility in dark environments. The excellent user interface provides intuitive and easy-to-understand operability. Measured data can be output to a PC with optional RS-232C or USB cable. Digital filter function for non-distorted roughness profiles. GO/NG judgment function. Auto-calibration function. The display interface supports 16 languages, which can be freely switched. Simplified contour analysis function supports the four types of measurement: step, level change, area and coordinate difference. Access to each feature can be password protected, which prevents unintended operations and allows you to protect your settings. The optional attachments for mounting on a column stand significantly increase the operability.