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Related Manuals for PCB Piezotronics 357A19/NC
Summary of Contents for PCB Piezotronics 357A19/NC
- Page 1 Model 357A19/NC Charge Output Accelerometer Installation and Operating Manual For assistance with the operation of this product, contact PCB Piezotronics, Inc. Toll-free: 800-828-8840 24-hour SensorLine: 716-684-0001 Fax: 716-684-0987 E-mail: info@pcb.com Web: www.pcb.com...
- Page 2 Returning Equipment – Following the equipment to PCB Piezotronics for these procedures will insure that your repair. User servicing or repair is not returned materials are handled in the recommended and, if attempted, may most expedient manner.
- Page 3 PCB Piezotronics, Inc. Warranty – All equipment and repair 3425 Walden Ave. services provided by PCB Piezotronics, Depew, NY 14043 USA Inc. are covered by a limited warranty Toll-free: (800) 828-8840 against defective...
- Page 4 General OPERATING GUIDE for use with PIEZOELECTRIC CHARGE MODE ACCELEROMETERS SPECIFICATION SHEET, INSTALLATION DRAWING AND CALIBRATION INFORMATION ENCLOSED PCB ASSUMES NO RESPONSIBILITY FOR DAMAGE CAUSED TO THIS PRODUCT AS A RESULT OF PROCEDURES THAT ARE INCONSISTENT WITH THIS OPERATING GUIDE. 1.0 INTRODUCTION Enclosed is a Specification Sheet, which lists the Congratulations on the purchase of a quality PCB charge...
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Page 5: Adhesive Mount
upon the coupling type or time constant of the external charge amplifying device. This characteristic may be precision-machined mounting surface with µin (0.00016 fixed or adjustable, depending on the charge amplifier. minimum finish of 63 Please refer to the appropriate charge amplifier recommended. - Page 6 METHOD 1 - Adhesive Mounting Base This method involves attaching a base to the test structure, then securing the sensor to the base. This allows for easy removal of the accelerometer. Also, since the bases are of a “hard-coated” aluminum design, they provide electrical isolation to eliminate ground loops and reduce electrical interference that may be present on the surface of the test object.
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Page 7: Accelerometer Calibration
pins.) In many cases, it is also helpful to protect the Once each element is connected, allow a few minutes for solder joint with heat-shrink tubing or epoxy. the system to thermally stabilize. Place the switch on the charge amplifier in the OPERATE position and Note: If you do not have the experience or resources to proceed with the measurement. -
Page 8: Sensor Recalibration
For these reasons, it is recommended that a recalibration cycle be established for each accelerometer. This schedule is unique and is based on a variety of factors, such as extent of use, environmental conditions, accuracy requirements, trend information obtained from previous calibration records, contractual regulations, frequency of “cross-checking”... -
Page 9: Common Mistakes
Figure 11. Typical Test Accelerometer Response 7.3 PCB CALIBRATION PROCEDURE Numerous precautions are taken at PCB to insure accurate and repeatable results. This section provides a brief overview of the primary areas of concern. Since the Back-to-Back Calibration technique relies on Figure 12. - Page 10 be altered. The vibration at the test sensor sensing element may differ from the vibration at the reference standard due to a “cantilever” effect, seen in Figure 15. Figure 13. Stud Mounting For adhesive mount sensors, use a thin, stiff layer of temporary adhesive such as quick-bonding gel or Figure 15.
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