Bullet Sensors & Transducers e-Digest, Vol. 58, Issue 8, August 2005: Product News

    (ISSN 1726- 5479)


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IMI Sensors Receives Patent for Machinery Fault Detector


Depew, NY, USA – The IMI Division of PCB Piezotronics has been granted a U.S. patent (No. 6,889,553) for the Model 682A05 dual 4-20 mA output, DIN rail mount machinery fault detector, an advanced vibration signal conditioner and transmitter designed to provide early warning of imminent machinery failure using PLC, DCS, SCADA, alarm and control systems.


The Model 682A05 Machinery Fault Detector accepts a 100 mV/g ICP® accelerometer input signal and, via sophisticated signal conditioning techniques, offers two 4-20 mA outputs for continuous machinery health monitoring, and an analog voltage output for detailed vibration signal analysis. Through a 1 kHz/5 kHz selectable high-pass filter, the first output measures “peak” g levels over a specified time interval, critical in the detection of early bearing faults. The second output measures “overall” vibration levels in user-selectable units, from 10 Hz to 1 kHz. This second output is ideal for detecting low frequency faults such as out-of-balance and misalignment.


Able to interface with existing plant architecture, this unit will provide 24/7 monitoring of rotating equipment and is well suited for detecting lubrication starvation, inner and outer race faults, impacting, and contamination.


For additional information, contact the IMI Sensors Division of PCB Piezotronics, Inc. toll-free at 800-959-4464 (in the U.S. and Canada) or 716-684-0003, fax 716-684-3823, e-mail: imi@pcb.com, or visit www.imi-sensors.com





Eric Yax,

Division Manager

IMI Sensors Division

3425 Walden Avenue, Depew, NY 14043-2495

Tel: (800) 959-4464 ext. 2377, fax: (716) 684-3823

E-mail: eyax@pcb.com

Machinery fault detector 682A05


General / Sales Leads:


Molly Bakewell,

Marketing Communications Supervisor

PCB Piezotronics, Inc.

3425 Walden Avenue, Depew, NY  14043-2495

Tel.: (800) 828-8840 ext. 2663, fax: (716) 684-0987

E-mail: mktg@pcb.com



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