PCB Piezotronics 422E02 User manual

Model 422E02
In-Line Charge Converter
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: [phone]
E-mail: [email protected]
Web: www.pcb.com

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 by PCB
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. Such devices
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 or ceases to
operate, arrangements should be made
to return the equipment to PCB
Piezotronics for repair. User servicing or
repair is not recommended and, if
attempted, may void the factory
warranty.
Calibration –Routine calibration of
sensors and associated instrumentation
is recommended as this helps build
confidence in measurement accuracy
and acquired data. Equipment
calibration cycles are typically
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
also good practice to recalibrate after
exposure to any severe temperature
extreme, shock, load, or other
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 pressure
testing, and others. For information on
standard recalibration services or
special testing, contact your local PCB
Piezotronics distributor, sales
representative, or factory customer
service representative.
Returning Equipment –Following
these procedures will ensure that your
returned materials are handled in the
most expedient manner. Before
returning any equipment to PCB
Piezotronics, contact your local
distributor, sales representative, or
factory customer service representative
to obtain a Return Warranty, Service,
Repair, and Return Policies and
Instructions Materials Authorization
(RMA) Number. This RMA number
should be clearly marked on the outside
of all package(s) and on the packing
Service, Repair, and Return
Policies and Instructions

list(s) accompanying the shipment. A
detailed account of the nature of the
problem(s) being experienced with the
equipment should also be included
inside the package(s) containing any
returned materials.
A Purchase Order, included with the
returned materials, will expedite the
turn-around of serviced equipment. It is
recommended to include authorization
on the Purchase Order for PCB to
proceed with any repairs, as long as
they do not exceed 50% of the
replacement cost of the returned
item(s). PCB will provide a price
quotation or replacement
recommendation for any item whose
repair costs would exceed 50% of
replacement cost, or any item that is not
economically feasible to repair. For
routine calibration services, the
Purchase Order should include
authorization to proceed and return at
current pricing, which can be obtained
from a factory customer service
representative.
Contact Information –International
customers should direct all inquiries to
their local distributor or sales office. A
complete list of distributors and offices
can be found at www.pcb.com.
Customers within the United States may
contact their local sales representative
or a factory customer service
representative. A complete list of sales
representatives can be found at
www.pcb.com. Toll-free telephone
numbers for a factory customer service
representative, in the division
responsible for this product, can be
found on the title page at the front of this
manual. Our ship to address and
general contact numbers are:
PCB Piezotronics, Inc.
3425 Walden Ave.
Depew, NY14043 USA
Toll-free: [phone]
24-hour SensorLineSM: [phone]
Website: www.pcb.com
E-mail: [email protected]

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
部件名称
有害物质
铅(Pb)
汞
(Hg)
镉
(Cd)
六价铬(Cr(VI))
多溴联苯 (PBB)
多溴二苯醚(PBDE)
住房
O
O
O
O
O
O
PCB板
X
O
O
O
O
O
电气连接器
O
O
O
O
O
O
压电晶体
X
O
O
O
O
O
环氧
O
O
O
O
O
O
铁氟龙
O
O
O
O
O
O
电子
O
O
O
O
O
O
厚膜基板
O
O
X
O
O
O
电线
O
O
O
O
O
O
电缆
X
O
O
O
O
O
塑料
O
O
O
O
O
O
焊接
X
O
O
O
O
O
铜合金/黄铜
X
O
O
O
O
O
本表格依据 SJ/T 11364 的规定编制。
O：表示该有害物质在该部件所有均质材料中的含量均在 GB/T 26572 规定的限量要求以下。
X：表示该有害物质至少在该部件的某一均质材料中的含量超出 GB/T 26572 规定的限量要求。
铅是欧洲RoHS指令2011/65/ EU附件三和附件四目前由于允许的豁免。
CHINA RoHS COMPLIANCE

DOCUMENT NUMBER: 21354
DOCUMENT REVISION: D
ECN: 46162
Component Name
Hazardous Substances
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Chromium VI
Compounds
(Cr(VI))
Polybrominated
Biphenyls
(PBB)
Polybrominated
Diphenyl
Ethers (PBDE)
Housing
O
O
O
O
O
O
PCB Board
X
O
O
O
O
O
Electrical
Connectors
O
O
O
O
O
O
Piezoelectric
Crystals
X
O
O
O
O
O
Epoxy
O
O
O
O
O
O
Teflon
O
O
O
O
O
O
Electronics
O
O
O
O
O
O
Thick Film
Substrate
O
O
X
O
O
O
Wires
O
O
O
O
O
O
Cables
X
O
O
O
O
O
Plastic
O
O
O
O
O
O
Solder
X
O
O
O
O
O
Copper Alloy/Brass
X
O
O
O
O
O
This table is prepared in accordance with the provisions of SJ/T 11364.
O: Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit
requirement of GB/T 26572.
X: Indicates that said hazardous substance contained in at least one of the homogeneous materials for this part is above
the limit requirement of GB/T 26572.
Lead is present due to allowed exemption in Annex III or Annex IV of the European RoHS Directive 2011/65/EU.

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The Model 422E In-Line Charge Converter
Operating Guide with Enclosed Warranty Information
3425 Walden Avenue, Depew, New York 14043-2495
Phone [phone]
Fax [phone]
E-Mail [email protected]
Toll Free Line 1-800-828-8840
24 Hour Sensor Line 716 684-0001
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MANUAL NUMBER: 18882
MANUAL REVISION: A
ECN: 24741
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table of contents
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Introduction....................................................................................................................... page 3
Description ....................................................................................................................... page 3
Installation........................................................................................................................ page 3
Operation.......................................................................................................................... page 3
Calculation of Output Scaling........................................................................................... page 4
TEDS Functionality........................................................................................................... page 4
Special Considerations..................................................................................................... page 5
422E Series Models for Use with High Temperature Sensors.......................................... page 5
422E Series Models for Use in Radioactive Environments............................................... page 6
ESD Warning Information................................................................................................. page 6
warranty/servicing
Warranty, Service & Return Procedure ............................................................................ page 7
Customer Service............................................................................................................. page 8
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introduction
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The 422E series in-line charge converters are designed to convert the high impedance of a charge
mode piezoelectric transducer to a low-impedance voltage by means of an ICP ® signal conditioner.
These units may be used with either quartz or ceramic charge-mode piezoelectric sensors.
description
The 422E series in-line charge amplifiers operate from an ICP ® signal conditioner. The unit employs a
high gain amplifier to perform the impedance transformation. The charge output of the transducers
may be scaled in terms of acceleration, pressure or force. The output is then mV/g, mV/psi or mV/lb,
respectively.
installation
Connect the 422E series to the transducer with low-noise cable (003A) only. Standard coaxial or two-
wire cable may be used between the amplifier and the signal conditioner, and between the signal
conditioner and the readout device.
Note: For optimum noise performance, the cable length between the sensor and the 422E should be
minimized.
operation
To operate, simply connect the input of the 422E to the transducer using low-noise (003A) cable and
the output to any ICP ® signal conditioner using standard cable. The output of the signal conditioner
may then be connected to an oscilloscope or other monitoring device. This output will be an AC signal
(see specification for actual frequency response) with a DC bias. Many PCB signal conditioners
remove the bias via an AC coupling circuit.
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calculation of output scaling
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The 422E contains a high-gain, low-noise amplifier connected in a charge amplifier configuration. The
charge output of the transducer is transferred to the feedback capacitor of the amplifier to develop a
voltage which may be calculated using the following equation.
Vout = 422E Scaling (mV/pC) x Transducer Sensitivity (pC/Engineering Unit)
where:
Vout = Output of 422E in mV/Engineering Unit
the Engineering Unit may be g’s, Newtons, psi, etc., depending on the sensor
Example: A 357A12 (3 pC/g) is used with a 422E02 (10 mV/pC). Calculate the output in mV/g.
Answer: 10 mV/pC x 3 pC/g = 30 mV/g
TEDS functionality
422E units with a “T” prefix incorporate TEDS (Transducer Electronic Data Sheet) technology. Using a
TEDS capable signal conditioner, or TEDS reader, the user is able to read calibration data stored in the
sensor. Some systems allow the user to also write user data and calibration information to the 422E.
All data is formatted in accordance with IEEE 1451.4.
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special considerations
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High source capacitance may degrade the performance of the 422E (source capacitance is the input
capacitance defined as transducer capacitance + cable capacitance). In particular, noise may increase
and high frequency response may decrease if source capacitance exceeds the recommended level. In
some cases, low frequency oscillation of the output may occur. The maximum recommended level in
pF’s is determined using the following formula:
maximum recommended source capacitance = 10,000/422E sensitivity in mV/pC
For example, the level for a 422E02/E12 would be 10,000/10 pF = 1,000 pF, and the level for a
422E03/E13 would be 10,000 pF. If PCB 003 type low noise cable is used, these values correspond to
10 meters and 100 meters of length respectively.
422E series models for use with high temperature sensors
The 422E35 (1 mV/pC) and 422E36 (10 mV/pC) have been specifically designed to operate with the
lower insulation resistance values which piezoelectric sensors may exhibit when subjected to very high
temperatures (generally greater than 500°F). Both units will operate with insulation resistances as low
as 10kΩ.
Note: Because of the special circuitry required, the 422E35 and 422E36 have somewhat higher noise
and longer turn on time than the equivalent units designed for use with sensors with high insulation
resistance (the 422E03 and 422E02 respectively). Consult the specifications for details.
Caution! Excessive accumulated charges on the input cables can destroy the field effect transistor
(FET) in the amplifier. These charges can be grounded by shorting the center pin on the cable
connector plug to its knurled nut with any metallic object.
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422E series models for use in radioactive environments
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The 422E65 (1mV/pC) and 422E66 (10mV/pC) were designed to offer resistance to the effects of
radiation exposure up to 1 Mrad Integrated Gamma Flux or 1010 N/cm2of Integrated Neutron Flux.
They are also designed to operate with lower insulation values which piezoelectric sensors may exhibit
when subjected to the high temperatures that generally accompany high levels of radioactivity.
warning 1 – ESD sensitivity
The power supply/signal conditioner should not be opened by anyone other than qualified
service personnel. This product is intended for use by qualified personnel who recognize shock
hazards and are familiar with the safety precautions required to avoid injury.
warning 2 – ESD sensitivity
This equipment is designed with user safety in mind; however, the protection provided by the
equipment may be impaired if the equipment is used in a manner not specified by PCB Piezotronics,
Inc.
caution 1 – ESD sensitivity
Cables can kill your equipment. High voltage electrostatic discharge (ESD) can damage electrical
devices. Similar to a capacitor, a cable can hold a charge caused by triboelectric transfer, such as that
which occurs in the following:
• Laying on and moving across a rug,
• Any movement through air,
• The action of rolling out a cable, and/or
• Contact with a non-grounded person.
The PCB solution for product safety:
• Connect the cables only with the AC power off.
• Temporarily “short” the end of the cable before attaching it to any signal input or output.
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caution 2 – ESD sensitivity
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ESD considerations should be made prior to performing any internal adjustments on the
equipment. Any piece of electronic equipment is vulnerable to ESD when opened for adjustments.
Internal adjustments should therefore be done ONLY at an ESD-safe work area. Many products have
ESD protection, but the level of protection may be exceeded by extremely high voltage.
warranty
PCB instrumentation is warranted against defective material and workmanship for 1 year unless
otherwise expressly specified. Damage to instruments caused by incorrect power or misapplication, is
not covered by warranty. If there are any questions regarding power, intended application, or general
usage, please consult with your local sales contact or distributor. Batteries and other expendable
hardware items are not covered by warranty.
service
Because of the sophisticated nature of PCB instrumentation, field repair is typically NOT recommended
and may void any warranty. If factory service is required, return the instrumentation according to the
“Return Procedure” stated below. A repair and/or replacement quotation will be provided prior to
servicing at no charge. Before returning the unit, please consult a factory PCB applications engineer
concerning the situation as certain problems can often be corrected with simple on-site procedures.
return procedure
To expedite returned instrumentation, contact a factory PCB applications engineer for a RETURN
MATERIAL AUTHORIZATION (RMA) NUMBER. Please have information available such as model and
serial number. Also, to insure efficient service, provide a written description of the symptoms and
problems with the equipment to a local sales representative or distributor, or contact PCB if none are
located in your area.
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Customers outside the U.S. should consult their local PCB distributor for information on returning
equipment. For exceptions, please contact the International Sales department at PCB to request
shipping instructions and an RMA. For assistance, please call [phone], or fax us at (716) 684-
3823. You may also receive assistance via e-mail at [email protected] or visit our web site at
www.pcb.com.
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customer service
PCB guarantees Total Customer Satisfaction. If, at any time, for any reason, you are not completely
satisfied with any PCB product, PCB will repair, replace, or exchange it at no charge. You may also
choose, within the warranty period, to have your purchase price refunded.
PCB offers to all customers, at no charge, 24-hour phone support. This service makes product or
application support available to our customers, day or night, seven days a week. When unforeseen
problems or emergency situations arise, call the 24 Hour SensorLine at 716 684-0001, and an
application specialist will assist you.
3425 Walden Avenue, Depew, NY 14043-2495
Phone [phone] Fax [phone] E-Mail [email protected]
PCB www.PCB.com IMI www.IMI-Sensors.com Key www.KeyTransducers.com
ISO 9001 Certified
©2001 PCB Group, Inc. In the interest of constant product improvement, specifications are subject to change without notice. All prices
are subject to change without notice. PCB, ICP and Modally Tuned are registered trademarks of PCB Group, Inc. TORKDISC is a
trademark of Key Transducers, Inc. Swiveler and Spindler are trademarks of PCB Group, Inc. IMI, SensorLine and Sensors that measure
up! are service marks of PCB Group, Inc. All other trademarks are properties of their respective owners.
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Model Number
422E02 IN-LINE CHARGE CONVERTER Revision: R
ECN #: 45760
Performance ENGLISH SI
Sensitivity(± 2 %)(Charge Conversion) 10 mV/pC 10 mV/pC
Overrange ± 3 V ± 3 V
Low Frequency Response(-5 %) 0.5 Hz 0.5 Hz
High Frequency Response(2.2 mA) 50 kHz 50 kHz [3]
High Frequency Response(4 mA) 75 kHz 75 kHz [3]
High Frequency Response(20 mA) 100 kHz 100 kHz [3]
Non-Linearity ≤1.0 % FS ≤1.0 % FS
Environmental
Temperature Range(Operating) -65 to +250 °F -54 to +121 °C
Temperature Response(Sensitivity Deviation) <1 % <1 %
Maximum Shock 1000 g pk 9810 m/s² pk
Electrical
Excitation Voltage 18 to 28 VDC 18 to 28 VDC
Output Bias Voltage 12.75 to 14.25 VDC 12.75 to 14.25 VDC
Output Voltage(at specified measurement range) ± 2.5 Vpk ± 2.5 Vpk
Constant Current Excitation 2.2 to 20 mA 2.2 to 20 mA
Output Impedance <20 Ohm <20 Ohm
Output Polarity Inverted Inverted
Maximum Input Voltage 30 V 30 V
Broadband Electrical Noise(1 to 10,000 Hz) 8.9 µV -101 dB [1]
Spectral Noise(1 Hz) 6.3 µV/√Hz -104 dB [1]
Spectral Noise(10 Hz) 0.5 µV/√Hz -126 dB [1]
Spectral Noise(100 Hz) 0.1 µV/√Hz -140 dB [1]
Spectral Noise(1 kHz) 0.04 µV/√Hz -148 dB [1]
Spectral Noise(10 kHz) 0.04 µV/√Hz -148 dB [1]
Discharge Time Constant 1.0 sec 1.0 sec
Resistance(Minimum required at input) 7x107Ohm 7x107Ohm [2]
Source Capacitance Loading 0.0005 %/pF 0.0005 %/pF
Physical
Housing Material Stainless Steel Stainless Steel
Sealing Welded Welded
Electrical Connector(Input) 10-32 Coaxial Jack 10-32 Coaxial Jack
Electrical Connector(Output) BNC Jack BNC Jack
Size (Diameter x Length) 0.52 in x 3.4 in 13 mm x 86 mm
Weight 1.15 oz 32.7 gm
All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change specifications without notice.
ICP®is a registered trademark of PCB Group, Inc.
TLD - TEDS Capable of Digital Memory and Communication Compliant with IEEE 1451.4
Temperature Range(Operating) -40 to +185 °F -40 to +85 °C
Output Bias Voltage 13.35 to 14.85 VDC 13.35 to 14.85 VDC
NOTES:
[1]Tested using voltage source and input capacitor equal to the feedback capacitor, to simulate a
charge output sensor.
[2]Not to be used with low values of source resistance such as charge mode sensors at elevated
temperatures or contaminated sensor cables (preventing low frequency peaking and/or output
bias problems).
[3]Above stated frequency, the amplifier becomes slew rate limited.
[4]See PCB Declaration of Conformance PS024 for details.
3425 Walden Avenue, Depew, NY 14043
Phone: [phone]
Fax: [phone]
E-Mail: [email protected]
[4]
OPTIONAL VERSIONS
Optional versions have identical specifications and accessories as listed for the standard model
except where noted below. More than one option may be used.
Entered: LK Engineer: CPH Sales: ML Approved: DY Spec Number:
Date: 8/10/2016 Date: 8/10/2016 Date: 8/10/2016 Date: 8/10/2016 422-5020-80