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Physics

Wind Tunnel Testing and Analysis

Recently, Contract Laboratory, Inc. received a request for a physical laboratory in Asia for Wind Tunnel Testing of an airfoil section using a 1/2 scale model for testing in an opened-ended wind tunnel.  A wind tunnel in an instrument designed to research the...

What is Erichsen Test Equipment?

The Erichsen 430P, a scratch hardness tester, is a motorized testing instrument used to test the resistance to scratches and cuts that plastic or varnished surfaces have. It tests panels of differing thicknesses by performing single, parallel, and cross-cuts....

RA and RMS | Surface Roughness

RA and RMS are measurements of surface roughness. Both measurements are done using a profilometer though the calculations differ for RA and RMS. RA is the roughness average and RMS is the root mean square of a surface. Both measurements are based on the heights of...

Electromagnetic Interference EMI Testing

Electromagnetic interference, or EMI, is a test done to determine the amount of energy an electric product produces. If the amount of energy emitted is too high it can interfere with other energy-emitting electric products, for example, a microwave may disrupt the...

Electromagnetic Interference EMI Testing

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