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The information contained in this document supersedes all similar information that
may be found elsewhere in this manual.
Service – Due to the sophisticated
nature of the sensors and associated
instrumentation
provided
Piezotronics, user servicing or repair is
not recommended and, if attempted,
may void the factory warranty. Routine
maintenance, such as the cleaning of
electrical connectors, housings, and
mounting surfaces with solutions and
techniques that will not harm the
physical material of construction, is
acceptable. Caution should be observed
to ensure that liquids are not permitted
to migrate into devices that are not
hermetically
sealed.
should only be wiped with a dampened
cloth and never submerged or have
liquids poured upon them.
Repair – In the event that equipment
becomes
damaged
operate, arrangements should be made
to
return
the
equipment
Piezotronics for repair. User servicing or
repair is not recommended and, if
attempted,
may
warranty.
Calibration – Routine calibration of
sensors and associated instrumentation
is recommended as this helps build
confidence in measurement accuracy
and
acquired
calibration
cycles
established by the users own quality
regimen. When in doubt about a
calibration cycle, a good "rule of thumb"
is to recalibrate on an annual basis. It is
by
PCB
Such
devices
or
ceases
to
to
PCB
void
the
factory
data.
Equipment
are
typically
Service, Repair, and Return
Policies and Instructions
also good practice to recalibrate after
exposure to any severe temperature
extreme,
shock,
environmental influence, or prior to any
critical test.
PCB Piezotronics maintains an ISO-
9001 certified metrology laboratory and
offers calibration services, which are
accredited by A2LA to ISO/IEC 17025,
with full traceability to SI through
N.I.S.T. In addition to the normally
supplied calibration, special testing is
also available, such as: sensitivity at
elevated or cryogenic temperatures,
phase response, extended high or low
frequency response, extended range,
leak
testing,
hydrostatic
testing, and others. For information on
standard
recalibration
special testing, contact your local PCB
Piezotronics
distributor,
representative,
or
service representative.
Returning
Equipment
these procedures will ensure that your
returned materials are handled in the
most
expedient
returning
any
equipment
Piezotronics,
contact
distributor,
sales
factory customer service representative
to obtain a Return Warranty, Service,
Repair, and Return Policies and
Instructions
Materials
(RMA) Number. This RMA number
should be clearly marked on the outside
of all package(s) and on the packing
load,
or
other
pressure
services
or
sales
factory
customer
Following
manner.
Before
to
PCB
your
local
representative,
or
Authorization

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Summary of Contents for PCB Piezotronics 357E91

  • Page 1 Piezotronics, user servicing or repair is critical test. not recommended and, if attempted, may void the factory warranty. Routine PCB Piezotronics maintains an ISO- maintenance, such as the cleaning of 9001 certified metrology laboratory and electrical connectors, housings, and offers calibration services, which are...
  • Page 2 50% of the general contact numbers are: replacement cost returned item(s). PCB will provide a price PCB Piezotronics, Inc. quotation replacement 3425 Walden Ave. recommendation for any item whose Depew, NY14043 USA repair costs would exceed 50% of...
  • Page 3: China Rohs Compliance

    PCB工业监视和测量设备 - 中国RoHS2公布表 PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table 有害物质 汞 镉 六价铬 (Cr(VI)) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 部件名称 铅 (Pb) (Hg) (Cd) 住房 PCB板 电气连接器 压电晶体 环氧 铁氟龙 电子 厚膜基板 电线 电缆 塑料 焊接...
  • Page 4 Component Name Hazardous Substances Lead Mercury Cadmium Chromium VI Polybrominated Polybrominated (Pb) (Hg) (Cd) Compounds Biphenyls Diphenyl (Cr(VI)) (PBB) Ethers (PBDE) Housing PCB Board Electrical Connectors Piezoelectric Crystals Epoxy Teflon Electronics Thick Film Substrate Wires Cables Plastic Solder Copper Alloy/Brass This table is prepared in accordance with the provisions of SJ/T 11364.
  • Page 5 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...
  • Page 6: 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 7 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.
  • Page 8: 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 9: 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 10: 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 11 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.
  • Page 12 Model Number Revision: A CHARGE OUTPUT ACCELEROMETER ECN #: 46623 357E91 Performance ENGLISH OPTIONAL VERSIONS Sensitivity(± 10 %) 5 pC/g .51 pC/(m/s²) Optional versions have identical specifications and accessories as listed for the standard model Measurement Range ± 1000 g pk ±...
  • Page 13 PCB Piezotronics Inc. claims proprietary rights in REVISIONS the information disclosed hereon. Neither it nor any reproduction thereof will be disclosed to others DESCRIPTION without the written consent of PCB Piezotronics Inc. UPDATED MOUNTING HOLE DEPTH 46617  .656 [16.66]...

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