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Mahr Federal EGH-1021 Surface Analyzer Small Bore Probe, 10-Micrometer Radius
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Mahr Federal EGH-1021 Surface Analyzer Small Bore Features
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For use with Mahr Pocket Surf series portable surface roughness gauge (sold separately)
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Small bore probe for gauging bores with minimum ID of 3.2mm (0.125") and maximum depth of 19mm (0.75")
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90-degree conical diamond stylus for two-dimensional tracing
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10 micrometer (0.0004") radius stylus for use with rough surfaces
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Measures average roughness (Ra), mean depth (Rz), and maximum depth (Rmax) parameters
About Mahr Federal EGH-1021 Surface Analyzer Small Bore
The Mahr EGH-1021 small bore probe is intended for use with the Mahr Pocket Surf series portable surface roughness gauge (sold separately) for inside-bore testing applications with a minimum inside diameter (ID) of 3.2mm (0.125") and a maximum depth of 19mm (0.75"). The probe's 90-degree conical diamond stylus has a 10μm (0.0004") radius, which is suitable for use when measuring rough surfaces. It measures average roughness (Ra), mean depth (Rz), and maximum depth (Rmax) parameters, and meets International Organization for Standardization (ISO) 4287 and American Society of Mechanical Engineers (ASME) B46.1 specifications. This small bore probe is suitable for applications such as evaluating a machined inner-bore surface. A surface roughness tester, also known as a profilometer, surtest, roughness gage, surface finish gage, or surf roughness tester, is a device used to inspect and measure surface roughness of flats, rounds, sloping planes, and recesses in machined, ground, or polished metal and non-metal surfaces. It is used for metrology in shop, metalworking, manufacturing, and quality control (QC) applications. Surface roughness testing is a type of form measurement that identifies surface profiles such as grooves and recessions, commonly known as peaks and valleys, of a surface. A roughness tester traces a surface profile using a skid-type (contact-type) method with a tracer tip such as a diamond stylus and piezo-electric detection to calculate roughness. Common types of parameters include Ra (roughness average), Rv (maximum profile valley depth), and Rsk (skewness), and assessed profiles. Profiles can have valuations such as cutoff, sampling, traversing, and evaluation-types of lengths. A surface roughness tester can have analog or digital display. A surface roughness tester can be portable, handheld, or desktop-type. Mahr Federal manufactures dimensional metrology instruments and metering systems. The company, founded in 1861, is headquartered in Goettingen, Germany.
