Spi surface finish

Surface roughness- a measurement of the texture of a surface. It is quantified by the vertical deviations of a real surface from its ideal form. If the deviations are large, the surface is rough, if they are small, the surface is smooth.

Rapp Industrial Sales
Surface Finish Equipment

SPI Portable Surface Roughness Tester 14-416-2

Portable and Robust for Efficient Use in the Work Shop, Yet Delicately Precise for Inspection.

● Ra - average roughness

● Rz - (RTM) mean roughness depth (DIN)

● Meets ANSI, ISO, DIN & Mil specifications.

● Roughness in microinch or micrometers.

● Includes probe and standard (NIST traceable).

● Digital display located on top.

● Easy to read LCD readout.

● Out of range Hi/Low indicator.

● Low battery indicator.

● Uses 9V battery for approx. 3000 measurements.

● Furnished in fitted case.

Specifications:

Overall Dimensions:	Approx. 5.5" x 3" x 1"
Measuring Range:	Ra - 1µ" to 250µ"/0.03µm to 6.35µm Rz* - 8µ" to 999µ"/0.2µm to 25.0µm
Display Resolution:	1µ"/.01µm
Max Stylus Force:	1500mfg/15.0mN * per DIN 4768. Note that the .0002"/5µm stylus radius must be used to measure these parameters.