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Related Manuals for PCB Piezotronics 3741D4HB200G
Summary of Contents for PCB Piezotronics 3741D4HB200G
- Page 1 Model 3741D4HB200G DC 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 High Sensitivity DC 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 Congratulations on the purchase of a quality, DC Lower range, higher sensitivity DC accelerometers, allow...
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Page 5: Screw Mount
PCB’s High Sensitivity DC accelerometers are designed simple unregulated DC voltage supply is an acceptable utilizing a MEMS condition for operation, bridge conditioning equipment (Micro-Electro-Mechanical Systems) silicon sensor approach. The micro machining design typically has ZMO adjustment capability and standard process provides sensor design flexibility, reliability &... -
Page 6: Adhesive Mount
structure mounting surface, consider adhesive mounting as STEP 1: Prepare a smooth, flat mounting surface. A minimum surface finish of 32 µin (0.0008 mm) generally a possible alternative). Inspect the area, checking that there are no burrs or other foreign particles interfering works best. - Page 7 4.2-1 ADHESIVE MOUNT REMOVAL reduce the effects of EMI and RFI that is present near (other than wax) electrical motors and machinery. Teflon-jacketed cabling Caution: It is usually difficult or near impossible to may be necessary to withstand corrosive environments remove a direct adhesive mounted high sensitivity DC and higher temperatures.
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Page 8: Accelerometer Calibration
STEP 4: Finally, connect the remaining cable end to the signal conditioner. 6.0 Signal Conditioning For optimum performance and flexibility, high sensitivity DC accelerometers benefit from a good stable, low noise dc power supply for excitation (Fig. 6). It should be regulated and stable to within 0.1% or better. -
Page 9: Recalibration Service
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- Figure 9. -
Page 10: Common Mistakes
Since the Back-to-Back Calibration technique relies on For stud-mount sensors, always mount the accelerometer each sensor experiencing an identical acceleration level, directly to the reference standard. Ensure that the mounting proper mounting of the test sensor to the reference surfaces are smooth, flat, and free of any burrs. Always use a standard is imperative. - Page 11 Understand Back-to-Back Calibration limitations. Do not time, and risk associated with self-calibration versus expect the uncertainty of calibration to be any better than utilizing the services of an accredited laboratory. ±2%. (In fact, the uncertainty may be as high as ±3% or ±4% for frequencies <10 Hz or >2 kHz.) Since large sensors may affect high-frequency accuracy, verify that the test sensor does not mass load the reference standard.
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