Bruel & Kjaer UK Ltd. - PRODUCT NEWS

Contact-free speed measuring with Brüel & Kjær’s Laser Tacho Probe

Testing high speed, rotational machinery is now a safer and simpler process with Brüel & Kjær’s new Laser Tacho Probe, Type MM-0360.

A small, robust IP64-rated probe 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.

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 (27'') 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.

About Bruel & Kjaer
Brüel & Kjær is a world-leading manufacturer and supplier of sound and vibration solutions for use in a wide range of applications including environmental noise measurements, building acoustics, vibration measurements and quality control for use in the automotive, aerospace and consumer industries, as well as by local authorities. Today Brüel & Kjær has 900 employees and sales offices in 55 countries. Brüel & Kjær is a subsidiary of UK-based Spectris plc. ( Spectris has annual sales of approximately £656m and employs around 6000 people worldwide in its 15 business units.
For more information, please contact :-

Bruel & Kjaer UK Ltd.
Jarman Way, Royston, Herts. SG8 5BQ. UK
Tel: +44(0) 1763 255 780
Fax: +44(0) 1763 255 789

May 2010

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