µCAT Measuring Head for Low Radial Clearance

EDS Measurement Systems, Inc. The mu-CAT Measuring Head, 0.300 inches minimum annular spacing. 0.200 inches radial measurement. A side photo and front photo of the measuring head made of nickel-plated steel with a hinged lever arm and adjustment screw

While our SCAT and LCAT measuring heads can be used with a wide range of turbine brush-seal grooves, the latest µCAT (“mu-CAT” or “micro CAT”) fits where the others can’t. The latest turbines for power generation being developed include stages with very small radial clearance.

Low Radial Clearance

While our prior µCAT was the same width as the SCAT (0.500″), the new version is only 0.300″ wide to fit narrow brush-seal grooves, and like the older model, can measure radial clearances from 0.200″ to 0.250″. An adjustable “hat” can be installed on top to fit 0.300″ to 0.363″ brush-seal grooves, and SCAT shims and spacers can be installed to fit spacings 0.363″ to 0.500″ wide, at which point the SCAT head can be used.

Please contact us for information about purchase or rental of this new tool.

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