Surftest SJ-210 Keyboard protective cover open Back view Series 178 - Portable Surface Roughness Measuring Instrument The SJ-210R – Retract System is a portable measuring instrument for surface roughness that includes a safety system. • The detector starts in a safety position, not in contact with the workpiece surface. When measurement starts, the detector is lowered onto the workpiece while the drive unit moves in X measuring direction. During the return movement, the detector lifts up from the workpiece surface before returning to the start position. This is useful for avoiding stylus damage in applications where you cannot easily see the test surface. SJ-210S (detailed information further on in this chapter) • The SJ-210S model is a portable measuring instrument for surface roughness that has a transverse drive capability. This allows you to test shrouded surfaces in the transverse direction, such as crankshaft bearing surfaces, flanged features or deep grooves. SJ-210 52,1 65,8 14,1 160 174,1 40 214,1 POWER DATA STOP START PAGE Dimensions 178-029 (displayed with SJ-210) All products to be sold to commercial customers. Product illustrations are without obligation. Product descriptions, in particular any and all technical specifications, are only binding when explicitly agreed upon. 455
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