PCB Piezotronics 422M136 Bedienungsanleitung

Model 422M136

ESS accel. kit including charge accel, cable, and 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: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

Manual 21354 Rev E

ECN 50523

Repair and Maintenance

PCB guarantees Total Customer Satisfaction through its

“Lifetime Warranty Plus” on all Platinum Stock Products

sold by PCB and through its limited warranties on all other

PCB Stock, Standard and Special products. Due to the

sophisticated nature of our sensors and associated

instrumentation, field servicing and repair is not

recommended and, if attempted, will void the factory

warranty.

Beyond routine calibration and battery replacements

where applicable, our products require no user

maintenance. Clean electrical connectors, housings, and

mounting surfaces with solutions and techniques that will

not harm the material of construction. Observe caution

when using liquids near devices that are not hermetically

sealed. Such devices should only be wiped with a

dampened cloth—never saturated or submerged.

In the event that equipment becomes damaged or ceases

to operate, our Application Engineers are here to support

your troubleshooting efforts 24 hours a day, 7 days a

week. Call or email with model and serial number as well

as a brief description of the problem.

Calibration

Routine calibration of sensors and associated

instrumentation is necessary to maintain measurement

accuracy. We recommend calibrating on an annual basis,

after exposure to any extreme environmental influence,

or prior to any critical test.

PCB Piezotronics is an ISO-9001 certified company whose

calibration services are accredited by A2LA to ISO/IEC

17025, with full traceability to SI through N.I.S.T. In

addition to our standard calibration services, we also offer

specialized tests, including: sensitivity at elevated or

cryogenic temperatures, phase response, extended high

or low frequency response, extended range, leak testing,

hydrostatic pressure testing, and others. For more

information, contact your local PCB Piezotronics

distributor, sales representative, or factory customer

service representative.

Returning Equipment

If factory repair is required, our representatives will

provide you with a Return Material Authorization (RMA)

number, which we use to reference any information you

have already provided and expedite the repair process.

This number should be clearly marked on the outside of

all returned package(s) and on any packing list(s)

accompanying the shipment.

Contact Information

PCB Piezotronics, Inc.

3425 Walden Ave.

Depew, NY14043 USA

Toll-free: (800) 828-8840

24-hour SensorLine: (716) 684-0001

General inquiries: in[email protected]

Repair inquiries: rma@pcb.com

For a complete list of distributors, global offices and sales

representatives, visit our website, www.pcb.com.

Safety Considerations

This product is intended for use by qualified personnel

who recognize shock hazards and are familiar with the

precautions required to avoid injury. While our equipment

is designed with user safety in mind, the protection

provided by the equipment may be impaired if equipment

is used in a manner not specified by this manual.

Discontinue use and contact our 24-Hour Sensorline if:

Assistance is needed to safely operate equipment

Damage is visible or suspected

Equipment fails or malfunctions

For complete equipment ratings, refer to the enclosed

specification sheet for your product.

Definition of Terms and Symbols

The following symbols may be used in this manual:

DANGER

Indicates an immediate hazardous

situation, which, if not avoided, may

result in death or serious injury.

Manual 21354 Rev E

ECN 50523

CAUTION

Refers to hazards that could damage

the instrument.

NOTE

Indicates tips, recommendations and

important information. The notes

simplify processes and contain

additional information on particular

operating steps.

The following symbols may be found on the equipment

described in this manual:

This symbol on the unit indicates that

high voltage may be present. Use

standard safety precautions to avoid

personal contact with this voltage.

This symbol on the unit indicates that

the user should refer to the operating

instructions located in the manual.

This symbol indicates safety, earth

ground.

Manual 21354 Rev E

ECN 50523

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

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

铜合金/黄铜

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

Manual 21354 Rev E

ECN 50523

Component Name

Hazardous Substances

Lead (Pb)

Mercury (Hg)

Cadmium (Cd)

Chromium VI

Compounds

(Cr(VI))

Polybrominated

Biphenyls (PBB)

Polybrominated

Diphenyl 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.

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 716 684-0001

Fax 716 684-0987

E-Mail [email protected]

Toll Free Line 1-800-828-8840

24 Hour Sensor Line 716 684-0001

RATION

•

ACOUSTICS

•

ACTUATION

•

FORCE

•

LOAD

•

PRESSURE

•

SHOCK

•

STRAIN

•

TORQUE

•

VIBRATIO

MANUAL NUMBER: 18882

MANUAL REVISION: A

ECN: 24741

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table of contents

RATION

•

ACOUSTICS

•

ACTUATION

•

FORCE

•

LOAD

•

PRESSURE

•

SHOCK

•

STRAIN

•

TORQUE

•

VIBRATIO

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

PAGE 2

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introduction

RATION

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ACOUSTICS

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ACTUATION

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FORCE

•

LOAD

•

PRESSURE

•

SHOCK

•

STRAIN

•

TORQUE

•

VIBRATIO

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.

PAGE 3

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calculation of output scaling

RATION

•

ACOUSTICS

•

ACTUATION

•

FORCE

•

LOAD

•

PRESSURE

•

SHOCK

•

STRAIN

•

TORQUE

•

VIBRATIO

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.

PAGE 4

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special considerations

RATION

•

ACOUSTICS

•

ACTUATION

•

FORCE

•

LOAD

•

PRESSURE

•

SHOCK

•

STRAIN

•

TORQUE

•

VIBRATIO

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.

PAGE 5

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