The Surtronic R-Series Roundness and Form Testers use an orientation mechanism that allows the operator to position a part for measurement in 20 seconds – one third the time required for traditional instruments, AMETEK claims. What's more, there is no need to re-centre when measuring a series of similar parts by using the patented centring attachment.

The measurements, which are ISO compliant, can be taken with ±25 nm accuracy and 6 nm gauge resolution. The results are displayed on the touch-screen interface using X-sight software.

AMETEK Taylor Hobson's instruments, which feature modular construction, are designed for 24/7 operation in demanding environments. A full range of accessories and standards is also available.

The instruments are designed for measuring high volume bearing parts (including raceway, ball, needle and roller bearings) and quality control applications in automotive, aerospace, optics and process control of grinding, turning, milling and honing.

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