Piezoelectric Accelerometers are suited for vibration/shock work.

Press Release Summary:




Comprised of standard size units, 3000 Series includes models with all-welded construction that are hermetically sealed for use in dirty and humid environments. Piezoelectric seismic system provides complete mechanical isolation of sensing element, and signal is self generating – no external power source is required. High-temperature versions are available. Smaller and lighter than standard units, 5000 Series allows higher natural frequencies and shock levels to be obtained.



Original Press Release:



Piezoelectric Accelerometers for Vibration and Shock Work



Columbia Research Laboratories has developed a group of piezoelectric general purpose accelerometers that are ideal for a wide range of shock and vibration applications. The 3000 Series standard size units include many with all welded construction that are hermetically sealed for use in dirty and humid environments. The unique design of the piezoelectric seismic system inherently provides complete mechanical isolation of the sensing element. This design makes the sensors insensitive to mounting torque, body strains, cable vibration, cable whip, pressure variations, and most heat transients. The signal is self generating, requiring no external power source. These units offer wide frequency ranges and are available in high temperature versions. The 5000 Series are smaller and lighter in weight than standard units. Characteristics are almost identical to standard units except that with the smaller, lighter units, higher natural frequencies and shock levels can be obtained due to their reduced mass. Sensitivities, however, are somewhat lower.



For best performance, Columbia model 4601 Charge Amplifier, Series 5684 Airborne Amplifiers, or 5421 Power Supply combined with inline charge converter model 5810 are recommended for use with these high impedance accelerometers. Additional mounting adapters and cable assemblies are also available.



Columbia Research Laboratories Inc. is ISO9001:2008 with Design & AS9100 Revision C certified. For more information call 800-893-8471; Fax: 610-872-3882; e-mail: sales@crlsensors.com or visit http://www.crlsensors.com

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