Supply Of Surface Roughness Measuring

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Supply Of surface roughness measuring , surface roughness measuring instrument for rail grinding machine.it is a pocket- sized porta ble instrument measures the roughness of the rail .it should have lcd display that shows surface roughnes s parameter ra (arithmetical mean roughness value), rz (mean roughness depth), rms (maximum rough ness depth) (rq) and rt (total height of the roughness profile), operates on various surfaces, not only flat but also outer cylinder, outer cone, grooves, and recesses greater than 80 x 30mm.asme b46.1-2019,iso 4 288:1996 or is 15263:2002 [ warranty period: 30 months after the date of delivery ] ]