Testing high speed, rotational machinery is now safer
21 May 2010
A small, robust IP64-rated probe, from Bruel & Kjaer, designed for performing contact-free measurements on rotating or reciprocating machine parts, the MM-0360 works by producing a voltage pulse from each turn of a shaft or cylinder.
Testing high speed, rotational machinery is now safer
The probe is positioned to allow its visible laser beam to face the test object, on to which a small strip of self-adhesive retro-reflective tape is attached. This reflective tape then backscatters the laser energy to a receiver that converts it to a jitter-free signal, suitable for a measurement or recording system.
The use of reflective tape means the probe can be positioned up to 70cm away from test objects, allowing engineers to be at a safer distance when testing many different types of high-speed machinery, encompassing everything from aircraft turbines to washing machines. The unit's compact size also makes it ideal for accessing machine parts contained within restricted areas.
The MM-0360 can operate at rotational speeds of up to 300,000 RPM, enough even for supercharger measurements, as well as low-speed measurements to 0 RPM (dependent on analysis system) for wind turbine and ship propulsion applications.
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