PHASEII+ Precision Roughness Standard

Phase II PlusSKU: SRG4600-505

Part No.: SRG4600-505
Prix:
$498.33

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Description

Surface Roughness Reference Standards/Profilometer Standards/Surface Finish Standards

Model No. SRG4600-505 ( CERTIFIED Precision Roughness Standard)

Model No. SRG4600-500 ( Precision Roughness Standard)

Features

High-quality calibration standard for portable surface roughness gauges. Ra values of 119.5 and 16.1; individually serialized and available certified to NIST.

The Phase II Reference Standard provides a reliable calibration tool which permits the technician to calibrate surface analyzing equipment to its peak efficiency.The SRG4600-500 shows the actual patch mean values of low and high microinch surfaces

The surface of the Precision Reference Standard consists of a series of parallel, uniform, “V-shaped” grooves having an included angle of 150° between the sides. Since the surface character of the Precision Reference Standard is unlike normally machined surfaces, it is not recommended for use in visual and tactual comparison.

Supplied with protective carry case

Surface Roughness Testers/ Profilometer Measurement Guide

Surface roughness, for purposes of this forum, is the result of some machining process and its effect on the material surface in question.

Skid type surface roughness testers / profilometers are common instruments used on the shop floor. A diamond stylus is traversed across the specimen and a piezoelectric pickup records all vertical movement. Peaks and valleys are recorded and converted into a known value of a given parameter.

Parameters differ in how they approach looking at peaks and valleys. The most popular parameter is “Ra”. Ra is commonly defined as the arithmetic average roughness. While the Ra parameter is easy and efficient, there are other parameters that can be more specific and useful depending on the application requirements. It is the parameters that enable us to define surface roughness.

Today, for the purpose of checking Ra values, the use of portable, hand held, surface roughness testers /profilometers are not only economical, but are digital and easy to use. These surface roughness testers /profilometers are a given necessity for any shop floor that receives work with Ra surface finish requirements.

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