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Brushless DC Tachometer/Commutators from ServoTek Products Aid in Industrial Motor Speed Monitoring

The high-accuracy TachSyn may be used as either a brushless DC tachometer or brushless DC motor commutator for monitoring the rotational speed of brushless industrial DC motors. They offer an economical solution to many velocity-loop problems, whether brushless or standard servo. The robust design of the ServoTek Products TachSyn transducer consists of a primary magnetic sensing device, in which output windings, field winding, and a permanent magnet are all co-located within the stator itself, maximizing reliability. The transducers are available in several unique models to commutate 4-, 6-,  or 8-pole brushless DC motors. Any sized TachSyn tachometer may be specified in applications where a simple DC tachometer signal is the only requirement. Pancake-shaped TachSyn transducers are easily mounted,  cantilever- style, to the back of a motor or other device, with synchro-type adjustment for phasing.

Each TachSyn transducer requires one CT-4 Series circuit board (or a customer-supplied equivalent), as well as a connecting cable with double-barreled shield to complete signal conditioning. The CT-4 circuit board provides AC field excitation for the transducer and conditioning for its output signals, which include a linear low-ripple DC tachometer voltage, and either a Hall-equivalent or sine-wave commutation signal.  The circuit board may be housed up to 100 feet from the hot-running motor, leaving only the non-electronic transducer in close proximity.  Standard configurations are normally in stock, and may be ordered online via the company’s website.

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For more information about ServoTek Products and its available offerings, contact the company at 1-800-727-5646, via email at customerRFQ@marshbellofram.com or visit www.servotek.com.

About ServoTek Products, Inc.

A member of the Bellofram Group of Companies since 2011, ServoTek Products, Inc., is a world renowned manufacturer of instrument-grade DC tachometers and low-cost encoders, serving OEM customers involved in aerospace, automotive, industrial machinery control, robotics, lift and process monitoring related applications. ServoTek products are known for their rugged designs, high-reliability performance in challenging environments, and proven pedigree across thousands of successful field installations.

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